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computers / comp.sys.ibm.ps2.hardware / latest

Re: Mylex RAID EZAssist Configuration Utilty [DACFL]

comp.sys.ibm.ps2.hardware

Posted: 1 Day 17 Hours ago by: Louis Ohland

It appears the DACFL has two fiber ports to host and four ultra SCSI drive ports. Dunno if you could hook up a DACFL in an external enclosure, hooked up to an external port on a Corvette Turbo. Then use the FC ports to connect drives...

XYRATEX INTEGRATES MYLEX FIBRE CHANNEL RAID [DACFL]

comp.sys.ibm.ps2.hardware

Posted: 2 Days ago by: Louis Ohland

XYRATEX INTEGRATES MYLEX FIBRE CHANNEL RAID CONTROLLERS INTO NEW LINE OF EXTERNAL STORAGE SYSTEMS Wednesday 20 January 1999 PDF Print https://pressreleases.responsesource.com/news/2185/xyratex-integrates-mylex-fibre-channel-raid-controlle

Re: Mylex RAID EZAssist Configuration Utilty [DACFL]

comp.sys.ibm.ps2.hardware

Posted: 2 Days 1 Hour ago by: Louis Ohland

https://www.hpcwire.com/1998/08/14/product-watch-sgi-intros-webforce-mediabase-3-0-intel-anncs-overdrive-processor-intergraph-intros-new-servers/ Product Watch: SGI Intros Webforce Mediabase 3.0. Intel Anncs Overdrive Processor. Intergra

US6343324B1 DACFL

comp.sys.ibm.ps2.hardware

Posted: 2 Days 1 Hour ago by: Louis Ohland

https://patents.google.com/patent/US6343324B1/en

Mylex RAID EZAssist Configuration Utilty [DACFL]

comp.sys.ibm.ps2.hardware

Posted: 2 Days 1 Hour ago by: Louis Ohland

https://irix7.com/techpubs/860-0226-001.pdf

Auction: Vintage IBM P/N 61G3410 61G3411 Power Supply PSU PC XT AT

comp.sys.ibm.ps2.hardware

Posted: 2 Days 18 Hours ago by: Louis Ohland

https://www.ebay.com/itm/124780396190

Auction: Vintage IBM Personal System PS/2 Enhanced 80386 Memory

comp.sys.ibm.ps2.hardware

Posted: 2 Days 18 Hours ago by: Louis Ohland

https://www.ebay.com/itm/133878807545 With ROM

Re: Auction: RARE- IBM 6152 CROSSBOW ADAPTER RISC COPROCESSOR CARD

comp.sys.ibm.ps2.hardware

Posted: 2 Days 18 Hours ago by: Louis Ohland

https://ia803401.us.archive.org/10/items/rt-pc-concepts-brochure-nov85/GC23-0784-00_RT_PC_Concepts_Brochure_Nov85.pdf On 9/18/2021 14:36, Louis Ohland wrote:

Re: Auction: RARE- IBM 6152 CROSSBOW ADAPTER RISC COPROCESSOR CARD

comp.sys.ibm.ps2.hardware

Posted: 2 Days 19 Hours ago by: Louis Ohland

https://ia802807.us.archive.org/30/items/bitsavers_ibmpcrtaix26No4AIX326345_3222525/IBM_System_Journal_Vol_26_No_4_AIX_326-345.pdf On 9/18/2021 14:11, Louis Ohland wrote:

Re: Auction: RARE- IBM 6152 CROSSBOW ADAPTER RISC COPROCESSOR CARD

comp.sys.ibm.ps2.hardware

Posted: 2 Days 19 Hours ago by: Louis Ohland

Re: Auction: RARE- IBM 6152 CROSSBOW ADAPTER RISC COPROCESSOR CARD

comp.sys.ibm.ps2.hardware

Posted: 2 Days 19 Hours ago by: Louis Ohland

'ROMP'or 032 processor? On 9/18/2021 12:49, Louis Ohland wrote:

Unknown PS/2 Model 80 in CA, USA on VCFed

comp.sys.ibm.ps2.hardware

Posted: 2 Days 20 Hours ago by: WBSTClarke

https://www.vcfed.org/forum/forum/marketplace/vintage-computer-items-for-sale-or-trade/1222651-vintage-computer-collection-for-sale-rough-shape Rather grubby and unknown condition. Other adapters not shown/detailed. Cheers, WBST

Re: Auction: RARE- IBM 6152 CROSSBOW ADAPTER RISC COPROCESSOR CARD

comp.sys.ibm.ps2.hardware

Posted: 2 Days 20 Hours ago by: Louis Ohland

So which 68K CPU was the 68881 used with? 68020 or 68030? https://en.wikipedia.org/wiki/Motorola_68881 The Motorola 68881 and Motorola 68882 are floating-point units (FPUs) used in some computer systems in conjunction with Motorola's 32

Re: Auction: RARE- IBM 6152 CROSSBOW ADAPTER RISC COPROCESSOR CARD

comp.sys.ibm.ps2.hardware

Posted: 2 Days 21 Hours ago by: Louis Ohland

Probably Elizabeth-O, and it's from Industrial Dave. The Crossbow was associated with AOS, I can't recall any mention of it with another OS. BUT, you could run two Crossbows with BDSM 4.3 [you would have to love pain to do it]. For a B

Re: Auction: RARE- IBM 6152 CROSSBOW ADAPTER RISC COPROCESSOR CARD

comp.sys.ibm.ps2.hardware

Posted: 2 Days 21 Hours ago by: RickE

The seller is in Binghamton, "right in my back yard". Their store has some more microchannel stuff, but nothing I would find interesting. I hope the bidders realize just how painfully slow the Crossbow adapter runs, it certainly falls i

Auction: DE: Details zu IBM PS/2 Computer MCA Microchannel Sound

comp.sys.ibm.ps2.hardware

Posted: 3 Days 18 Hours ago by: schimmi

https://www.ebay.de/itm/384394822787 *popcorn*

Auction: RARE- IBM 6152 CROSSBOW ADAPTER RISC COPROCESSOR CARD

comp.sys.ibm.ps2.hardware

Posted: 3 Days 20 Hours ago by: Louis Ohland

https://www.ebay.com/itm/144199779039

Auction: RARE- IBM 64F0198 PS/2 MICROCHANNEL 486DX2-33 PROCESSOR CPU

comp.sys.ibm.ps2.hardware

Posted: 3 Days 20 Hours ago by: Louis Ohland

https://www.ebay.com/itm/144199742205 Non-SOD "K", downlevel BIOS, but the BIN is on-line Whiff of maple syrup... and treachery... "Canadian Bacon" is a documentary, not a comedy...

Auction: Vintage IBM PS/2 Model 80 386DX-25 8MB SCSI 8580-A31 tested

comp.sys.ibm.ps2.hardware

Posted: 9 Days 23 Hours ago by: Louis Ohland

Medina, Texas https://www.ebay.com/itm/324783079746 SCSI, unknown. 3com ethernet, unknown.

Re: Auction: REPLY CORP 486 Module NOS -- *RARE* circa 1991

comp.sys.ibm.ps2.hardware

Posted: 13 Days ago by: Louis Ohland

First errata, I was thinking of my NCR. Second errata, I meant "patch wires", not jumpers. On 9/7/2021 16:45, Louis Ohland wrote:

Re: Auction: REPLY CORP 486 Module NOS -- *RARE* circa 1991

comp.sys.ibm.ps2.hardware

Posted: 13 Days 16 Hours ago by: Louis Ohland

My Rev B resembles the Rev C. Two jumpers on the back, but so does REV C Rev B has a ASSY 050022 10 REV B, back says FAB 04002200 REV A Rev C has a ASSY 050022 05 REV C, back says FAB 04002200 REV A On 9/7/2021 16:35, Louis Ohland wrote

Re: Auction: REPLY CORP 486 Module NOS -- *RARE* circa 1991

comp.sys.ibm.ps2.hardware

Posted: 13 Days 17 Hours ago by: Louis Ohland

That was from the Reply 32 that I had, gave it to William Walsh. I do have a Rev B right here. On 9/7/2021 16:11, IBMMuseum wrote:

Re: Auction: REPLY CORP 486 Module NOS -- *RARE* circa 1991

comp.sys.ibm.ps2.hardware

Posted: 13 Days 17 Hours ago by: IBMMuseum

Seller says he has moar. What was your source for the diagrams years ago, with the later CPU board revision? I don't remember where my unit came from.

Re: Auction: REPLY CORP 486 Module NOS -- *RARE* circa 1991

comp.sys.ibm.ps2.hardware

Posted: 14 Days 15 Hours ago by: Louis Ohland

Even says "4167" in the socket. On 9/6/2021 16:20, IBMMuseum wrote:

Re: Auction: REPLY CORP 486 Module NOS -- *RARE* circa 1991

comp.sys.ibm.ps2.hardware

Posted: 14 Days 17 Hours ago by: IBMMuseum

Here's mine, "Revision A2" - I started "Watching" the auction and an automated offer came through for a lower price (of this "Revision C"), so I did a BIN: https://ibmmuseum.com/Reply/Reply32/Reply32_CPU.jpg

Re: Auction: REPLY CORP 486 Module NOS -- *RARE* circa 1991

comp.sys.ibm.ps2.hardware

Posted: 14 Days 18 Hours ago by: IBMMuseum

Nope, that's for a Reply 32: https://www.ardent-tool.com/Reply/Reply_32.html I've got one, and need to compare the image to my CPU board...

Re: Auction: IBM 69X6292 - IBM - 36/38 EMULATION/A ADAPTER( 59X3351)

comp.sys.ibm.ps2.hardware

Posted: 14 Days 18 Hours ago by: IBMMuseum

It's a 5250 emulation adapter - The long version is multi-session (you could display all four in a quadrant or switch between sessions with hotkeys - it also works with the System/34 and AS/400). I've got one tucked away here somewhere th

Re: Auction: REPLY CORP 486 Module NOS -- *RARE* circa 1991

comp.sys.ibm.ps2.hardware

Posted: 14 Days 18 Hours ago by: Grant Taylor

This hints at a PC processor / SBC to put into an Apple computer to me. It also looks like it's missing components.

Re: Auction: IBM 69X6292 - IBM - 36/38 EMULATION/A ADAPTER( 59X3351)

comp.sys.ibm.ps2.hardware

Posted: 14 Days 19 Hours ago by: Grant Taylor

I don't know either. One of two things comes to mind: 1) It's an adapter to communicate with -- what I'm assuming to be -- a System/36 or a System/38. 2) A CPU emulator for a System/36 / System/38 in the spirit of the S/370 / S/390

Re: Auction: REPLY CORP 486 Module NOS -- *RARE* circa 1991

comp.sys.ibm.ps2.hardware

Posted: 14 Days 20 Hours ago by: Louis Ohland

U6, 17x17 PGA, 168 pin sockets U7, 15x15 PGA, 144 pin sockets On 9/6/2021 13:30, Louis Ohland wrote:

Auction: REPLY CORP 486 Module NOS -- *RARE* circa 1991

comp.sys.ibm.ps2.hardware

Posted: 14 Days 20 Hours ago by: Louis Ohland

Auction: IBM 69X6292 - IBM - 36/38 EMULATION/A ADAPTER( 59X3351)

comp.sys.ibm.ps2.hardware

Posted: 14 Days 20 Hours ago by: Louis Ohland

https://www.ebay.com/itm/144181014150 As if I knew what this does. Could someone give me a hint about this?

Re: IBM VGA chips - for study/discussion

comp.sys.ibm.ps2.hardware

Posted: 15 Days 17 Hours ago by: Tomas Slavotinek

This brings some interesting and rather important questions. Was IBM Japan fabless initially? I assume that chips marked as "98" were actually manufactured by IBM Japan, is that correct? Or why exactly they cooperated with Seiko so close

Re: IBM VGA chips - for study/discussion

comp.sys.ibm.ps2.hardware

Posted: 15 Days 18 Hours ago by: IBMMuseum

I've stated before that I think Seiko-Epson Japan got connected to IBM for the PC Convertible (static RAM and the BIOS chips are marked with their logo) with the flat-panel flailings. IBM bought a TFT plant from Seiko-Epson, although it is

Re: IBM VGA chips - for study/discussion

comp.sys.ibm.ps2.hardware

Posted: 15 Days 20 Hours ago by: Tomas Slavotinek

Interesting topic and something that's definitely worth documenting... On 1.9.2021 21:13, IBMMuseum wrote: This variant is also used in selected PS/55 5550 machines and standalone Japanese display adapters. And then some 55 SX, 65 SX, 70

Re: manufacturing steps for an MST module

comp.sys.ibm.ps2.hardware

Posted: 19 Days 15 Hours ago by: gfretwell@aol.com

Sounds pretty accurate. They probably don't know the first 10 mod 145s had Core Storage (M2I arrays like the 360 mod 30). We had S/N 20001 and 20002 in my territory in internal accounts. They needed machines and all the customer ready on

IBM VGA chips - for study/discussion

comp.sys.ibm.ps2.hardware

Posted: 19 Days 19 Hours ago by: IBMMuseum

15F6864: Extremely common on PS/2 planars - known pinout from Model 30 286 schematics, page 6 of 6, https://www.ardent-tool.com/docs/pdf/schematics/m30-286_sch.pdf 92F0616: Apparently pin-compatible with the 15F6864 - I have one on a Model

manufacturing steps for an MST module

comp.sys.ibm.ps2.hardware

Posted: 19 Days 20 Hours ago by: Louis Ohland

http://www.righto.com/2021/01/ibm-paperweight-teardown-reverse.html

Re: What flavors and configurations of acid-soaked sugar cubes exist?

comp.sys.ibm.ps2.hardware

Posted: 19 Days 21 Hours ago by: Louis Ohland

MAJ Tom, you need to be ready for any eventuality. There was a snippet that x9 memories existed. Not that any of the PS/2 memory was x9, but if it looks odd, IBM could do whatever it wandted. And they did. On 9/1/2021 11:23, Tomas Slavo

Re: What flavors and configurations of acid-soaked sugar cubes exist?

comp.sys.ibm.ps2.hardware

Posted: 19 Days 22 Hours ago by: Tomas Slavotinek

The package can be used to house pretty much anything you want. The only major limitation is the I/O count/density... Depends on how you define "complex". I'm not a chip guy, but the memory parts will have the highest transistor densit

Re: What flavors and configurations of acid-soaked sugar cubes exist?

comp.sys.ibm.ps2.hardware

Posted: 19 Days 23 Hours ago by: Louis Ohland

Evil Dave, thinking of the variety of metal capped chips... "Sugar Cubes" memory Varied ASICs like VGA, I/O, possumbly sea of gates I think the sugar cubes could / should be the SIMMplest. The function chips will be more complex. I rea

Re: What flavors and configurations of acid-soaked sugar cubes exist?

comp.sys.ibm.ps2.hardware

Posted: 20 Days ago by: IBMMuseum

So - there are other "de-lidding" possibilities here too: Consider that the PS/2 VGA chip in this format (on planars like the Model 80 'Type 1' and the 8-bit adapter for the Model 30) is the only one without the Seiko-Epson mark. Eric ('Tu

Re: What flavors and configurations of acid-soaked sugar cubes exist?

comp.sys.ibm.ps2.hardware

Posted: 20 Days 11 Hours ago by: Louis Ohland

It appears that the psychedelic sugar cubes have 23 pins. My suspicions are that the different P/Ns may be the same density, but the orientation how the modules self-identify] is different. On 8/31/2021 20:49, Louis Ohland wrote:

Re: What flavors and configurations of acid-soaked sugar cubes exist?

comp.sys.ibm.ps2.hardware

Posted: 20 Days 12 Hours ago by: Louis Ohland

To increase the density of storage, four of these chips were mounted in a two-layer MST module, yielding an 8-kilobit module. The module in the box (below) has the square metal case removed, showing the silicon dies inside. These memo

Re: What flavors and configurations of acid-soaked sugar cubes exist?

comp.sys.ibm.ps2.hardware

Posted: 20 Days 19 Hours ago by: gfretwell@aol.com

That is actually pretty likely since it was a standard sized package for a couple decades.

Re: What flavors and configurations of acid-soaked sugar cubes exist?

comp.sys.ibm.ps2.hardware

Posted: 20 Days 19 Hours ago by: gfretwell@aol.com

The ones I have taken apart did not use the aluminum can for anything but a cover. On early SLT cards the can would just pop off but later I think they glued them down.

Re: What flavors and configurations of acid-soaked sugar cubes exist?

comp.sys.ibm.ps2.hardware

Posted: 20 Days 23 Hours ago by: Tomas Slavotinek

No need to guess, Louis. The subject is well documented. Ken's blog has a lot of juicy info and photos about vintage IBM ICs and tech in general. I.e. here: https://www.righto.com/2021/01/examining-technology-sample-kit-ibm.html (the ar

Re: What flavors and configurations of acid-soaked sugar cubes exist?

comp.sys.ibm.ps2.hardware

Posted: 21 Days ago by: Louis Ohland

Greg, I have some SWAGs on the sugar cubes. Can as a heat sink. Mebbee early tech needed a better sink? Can as something for a deeper component "stack" multi-layer? Can as something the period assembly machines could use? I have seen the

Re: What flavors and configurations of acid-soaked sugar cubes exist?

comp.sys.ibm.ps2.hardware

Posted: 21 Days 2 Hours ago by: Tomas Slavotinek

Why change it if it works and you have the manufacturing infrastructure in place... and well oiled. Even the 1994 T4 Cubrun complex comes with one of the sugar cube ICs (clock generator). They finally retired the tech in the mid-90s and s

Re: Cubes Everywhere

comp.sys.ibm.ps2.hardware

Posted: 21 Days 3 Hours ago by: Tomas Slavotinek

https://ardent-tool.com/8580/Planar_Memory.html This page in particular had some "new" card types: https://mastodonpc.tripod.com/personal/ps280mem.html Unfortunately the photos are too crappy to identify the chips. But the 90X8670 lay

Re: What flavors and configurations of acid-soaked sugar cubes exist?

comp.sys.ibm.ps2.hardware

Posted: 21 Days 11 Hours ago by: gfretwell@aol.com

Those were chips from Fishkill or Burlington. IBM settled on that silver aluminum cover in the 360 days and it was used on all IBM chips up until I retired. They may have made some in the black plastic case but I am not sure if it really

Re: What flavors and configurations of acid-soaked sugar cubes exist?

comp.sys.ibm.ps2.hardware

Posted: 21 Days 13 Hours ago by: Louis Ohland

IBM used a technoslovakian name for the little silver metal cube memory, er, chips on the early 8580 system board memory daughter cards. What did they call 'em? On 8/30/2021 17:26, gfretwell@aol.com wrote:

Re: What flavors and configurations of acid-soaked sugar cubes exist?

comp.sys.ibm.ps2.hardware

Posted: 21 Days 16 Hours ago by: gfretwell@aol.com

I am not sure what a sugar cube is. That isn't IBM jargon that I have heard.

Cubes Everywhere

comp.sys.ibm.ps2.hardware

Posted: 21 Days 16 Hours ago by: Tomas Slavotinek

http://ummr.altervista.org/ibmtechviews.htm http://ummr.altervista.org/scansione0018d.jpg http://ummr.altervista.org/scansione0023.jpg http://ummr.altervista.org/scansione0078.jpg http://ummr.altervista.org/scansIBM30PIN.jpg http://ummr.

Re: I see... dead people. Er, Patterns

comp.sys.ibm.ps2.hardware

Posted: 21 Days 16 Hours ago by: Tomas Slavotinek

The chips were probably designed with applications like this in mind, possibly down to the pin assignments and recommended layout patterns. We need more info about these lil cubes, and find out where else were they used, if anywhere. (Perh

Re: What flavors and configurations of acid-soaked sugar cubes exist?

comp.sys.ibm.ps2.hardware

Posted: 21 Days 17 Hours ago by: Louis Ohland

Greg, what systems used sugar cubes? Any repressed memories of articles on the configuration of a sugar cube? What was the industry term for these little cubes of sweetness? On 8/30/2021 14:54, gfretwell@aol.com wrote:

Re: I see... dead people. Er, Patterns

comp.sys.ibm.ps2.hardware

Posted: 21 Days 17 Hours ago by: Louis Ohland

Oops, conductor / trace count... On 8/30/2021 16:14, Louis Ohland wrote:

Re: I see... dead people. Er, Patterns

comp.sys.ibm.ps2.hardware

Posted: 21 Days 17 Hours ago by: Louis Ohland

Huh. Maybe there is a difference, pinout-wise. Look at the patterns, remember the CAS, RAS, and addressing thing? Maybe IBM designed these cards to reduce the connector count. I dunno. On 8/30/2021 15:40, Tomas Slavotinek wrote:

Re: I see... dead people. Er, Patterns

comp.sys.ibm.ps2.hardware

Posted: 21 Days 18 Hours ago by: Tomas Slavotinek

OK, I'll keep it then (maybe I'll adjust the colors a lil later on...). On 30.8.2021 22:06, Louis Ohland wrote:

Re: [Update] 7546 Industrial Computer

comp.sys.ibm.ps2.hardware

Posted: 21 Days 18 Hours ago by: Tomas Slavotinek

Yeah not sure whether it's an 8557 or 7557... The machine sticker isn't of much help unfortunately: https://ardent-tool.com/7546/7546_Switch.jpg Instead of the usual | Type-Model | | Serial No. | this machine has | Type-Ser

Re: [Update] 7546 Industrial Computer

comp.sys.ibm.ps2.hardware

Posted: 21 Days 18 Hours ago by: IBMMuseum

It appears that the microchannel Industrials are getting sorted off together - I know the PICMG 75xx and PC 350-based Industrials are documented well (from Kevin, where I got mine?) but I can kick some more stuff up on those too.

Re: I see... dead people. Er, Patterns

comp.sys.ibm.ps2.hardware

Posted: 21 Days 18 Hours ago by: Louis Ohland

Eh, should do. On 8/30/2021 14:54, Tomas Slavotinek wrote:

Re:_Am2965_•_Am2966,_DYNAMIC_MEMORY_DRIVERS_I

comp.sys.ibm.ps2.hardware

Posted: 21 Days 18 Hours ago by: Tomas Slavotinek

Yeah the insulating sheet is pretty much mandatory with the tall sugar cubes... More photos?! Yeeees!

Re: I see... dead people. Er, Patterns

comp.sys.ibm.ps2.hardware

Posted: 21 Days 18 Hours ago by: Tomas Slavotinek

https://ardent-tool.com/8580/Planar_Memory.html#Cards It's like a fookin xmas tree :-D What do you think?

Re: What flavors and configurations of acid-soaked sugar cubes exist?

comp.sys.ibm.ps2.hardware

Posted: 21 Days 18 Hours ago by: gfretwell@aol.com

It might be worth looking at the RETAIN tips. They are all on the MoST CDs. Usually if there was a P/N only change it would have an oblique reference in RETAIN. It usually shows up as an authorized P/N substitution. Some times they did h

Re: What flavors and configurations of acid-soaked sugar cubes exist?

comp.sys.ibm.ps2.hardware

Posted: 21 Days 19 Hours ago by: Tomas Slavotinek

Yeah that would be a nice bonus! But I'd probably wait a bit before sending them more stuff...

Re:_Am2965_•_Am2966,_DYNAMIC_MEMORY_DRIVERS_IMPROV

comp.sys.ibm.ps2.hardware

Posted: 21 Days 19 Hours ago by: IBMMuseum

For the double-sided question, remember that IBM wrapped a clear shield around the solder-side of their sugar-cube Model 80 boards to prevent electrical contact with the PSU or other memory board. Don't forget the "mini-modules" of the same

Re: What flavors and configurations of acid-soaked sugar cubes exist?

comp.sys.ibm.ps2.hardware

Posted: 21 Days 19 Hours ago by: IBMMuseum

I have Marc's address - and agree that is a great idea. They would probably feature that on video. As I'm waiting for them to drop another video on either the "Bermuda" planar they are analyzing or the working Model 77 with the channel ada

Re: I see... dead people. Er, Patterns

comp.sys.ibm.ps2.hardware

Posted: 21 Days 19 Hours ago by: Louis Ohland

Or the he-man method of using a legend? So old school, but it might work... On 8/30/2021 14:00, Tomas Slavotinek wrote:

Re: [Update] 7546 Industrial Computer

comp.sys.ibm.ps2.hardware

Posted: 21 Days 19 Hours ago by: IBMMuseum

I'm more familiar with the ISA multiport adapters, a couple of years back I wanted to contact Quadron to see if they would release a version of their software to a poor hobbyist like me. I'll even bet that parallel port lead masks the sec

Re: I see... dead people. Er, Patterns

comp.sys.ibm.ps2.hardware

Posted: 21 Days 19 Hours ago by: Tomas Slavotinek

Originally I wanted to color the backgrounds of the chips differently, to make the patterns easier to spot, but it looked gimmicky. Eh, I'm gonna try again... On 30.8.2021 20:58, Tomas Slavotinek wrote:

Re: I see... dead people. Er, Patterns

comp.sys.ibm.ps2.hardware

Posted: 21 Days 19 Hours ago by: Tomas Slavotinek

I'm positive that these 4 chips are all different in some way and the patterns are very much intentional - layout reasons. Different P/Ns for what's exactly the same part are not all that uncommon, but *not* on the same board. (see "[Upda

Re: IBM 7561/7562 Planar Origins

comp.sys.ibm.ps2.hardware

Posted: 21 Days 19 Hours ago by: Tomas Slavotinek

Yes please, gimme chocola... err photos! https://www.youtube.com/watch?v=WIKqgE4BwAY

I see... dead people. Er, Patterns

comp.sys.ibm.ps2.hardware

Posted: 21 Days 20 Hours ago by: Louis Ohland

https://www.ardent-tool.com/8580/Memory_IBM_2MB_1_Photo_Front.jpg Now this seems to suggest a pattern. If the P/Ns were just due to accounting alone, why the Tic-Tac-Toe? Note the wider spacing down the middle, resulting in a 3 wide by 4

Re:_Am2965_•_Am2966,_DYNAMIC_MEMORY_DRIVERS_I

comp.sys.ibm.ps2.hardware

Posted: 21 Days 20 Hours ago by: Louis Ohland

Non-inverting Am2966 replaces 74S244; On 8/29/2021 15:02, Louis Ohland wrote:

Re: IBM 7561/7562 Planar Origins

comp.sys.ibm.ps2.hardware

Posted: 21 Days 20 Hours ago by: IBMMuseum

The pictures of Alfred's system appeared to show a desktop unit, therefore a 7561 - Yeah, there isn't many samples to work with. I was assuming that I have a 7542 rack-mount - there are no feet on the bottom of an otherwise rack-mount ca

Re: Remember the SIMM Savers? Re: Sugar shack [flavor cubes] Am2966

comp.sys.ibm.ps2.hardware

Posted: 21 Days 21 Hours ago by: Tomas Slavotinek

Looking at photos real quick, I'm pretty sure that the PCB is a 6-layer jobbie. The two inner most layers are power and ground planes, and the rest are routing layers. You can see most of the signal traces - even these that are on the inn

Re: Topology Thoughts

comp.sys.ibm.ps2.hardware

Posted: 21 Days 21 Hours ago by: IBMMuseum

Exactly, I was after the topology of the different "sugar-cube" chips, to map their pinouts in known implementations. There are IBM designs that the same chips are in that could be understood much better. Certainly, for chips that are sep

Re: Remember the SIMM Savers? Re: Sugar shack [flavor cubes] Am2966

comp.sys.ibm.ps2.hardware

Posted: 21 Days 21 Hours ago by: Louis Ohland

Two 1MB IBM & Two Hitachi 1MB Memory Cards – Vintage Components https://www.ebay.com/itm/234092265188

Big one Am2966

comp.sys.ibm.ps2.hardware

Posted: 21 Days 21 Hours ago by: Louis Ohland

Huh. Imagine the equivalent of four 2MB 80nS on a daughtercard. Just a few small details. Like how to get past the system set-up at POST. Huh, something like bank-switching? Have one equivalent of a 2MB 80nS SIMM on the daughtercard, abl

Re: Remember the SIMM Savers? Re: Sugar shack [flavor cubes] Am2966

comp.sys.ibm.ps2.hardware

Posted: 21 Days 21 Hours ago by: Tomas Slavotinek

And you are correct! But there are two 2966s on the board. :) One of the chips may be partially unused, or used to drive some of the other signals (like the strobes for example). On 30.8.2021 18:35, Louis Ohland wrote:

Re: What flavors and configurations of acid-soaked sugar cubes exist?

comp.sys.ibm.ps2.hardware

Posted: 21 Days 22 Hours ago by: Tomas Slavotinek

Send a sample of each card to Ken... :) He could not only take photos of the dies, but perhaps also analyze them and tell us exactly what they are. I could check what cards I have in my storage and figure out how is it all wired together

Re: Remember the SIMM Savers? Re: Sugar shack [flavor cubes] Am2966

comp.sys.ibm.ps2.hardware

Posted: 21 Days 22 Hours ago by: Louis Ohland

Tom, if I understand, the Am2966 can control 8 address lines. Damnifiknow... On 8/30/2021 11:28, Tomas Slavotinek wrote:

What flavors and configurations of acid-soaked sugar cubes exist?

comp.sys.ibm.ps2.hardware

Posted: 21 Days 22 Hours ago by: Louis Ohland

I quickly looked at some Model 80 memory cards. These are not my cuppa Joe, I can't really distinguish a significant difference. Sure, the P/Ns are off by one, but that is not important. That difference could be due to accounting changes

Re: Remember the SIMM Savers? Re: Sugar shack [flavor cubes] Am2966

comp.sys.ibm.ps2.hardware

Posted: 21 Days 22 Hours ago by: Tomas Slavotinek

What Kingston used there was the standard package of the time. Possibly. But when it comes to chip density you also have to consider limitations of the Model 80 memory interface. It provides 4 CAS and 4 RAS lines, but only 9 address li

Re: Remember the SIMM Savers? Re: Sugar shack [flavor cubes] Am2966

comp.sys.ibm.ps2.hardware

Posted: 21 Days 22 Hours ago by: Tomas Slavotinek

Like I've mentioned, possibly to avoid loading the line too much. You are limited by the fan-out capability of whatever is on the other end of the bus lines. Or maybe different requirements of the off-the-shelf DRAMs (rise time or who know

Re: Remember the SIMM Savers? Re: Sugar shack [flavor cubes] Am2966

comp.sys.ibm.ps2.hardware

Posted: 21 Days 22 Hours ago by: Louis Ohland

So why include the Am2966 at all? On 8/30/2021 10:41, Tomas Slavotinek wrote:

Re: Sugar shack [flavor cubes] Am2966

comp.sys.ibm.ps2.hardware

Posted: 21 Days 22 Hours ago by: Louis Ohland

My curiosity is the Am2966, or some IBM flavor, or an S24x chip was required. The design of the -Axx supported the functionality of the Am2966 / equivalent. My suspicion is the Am2966 functionality would be supported on all models of th

Re: Remember the SIMM Savers? Re: Sugar shack [flavor cubes] Am2966

comp.sys.ibm.ps2.hardware

Posted: 21 Days 23 Hours ago by: Tomas Slavotinek

Well it's a memory card build from off-the-shelf parts, so of course it does. Should we call them "sugar free"? I've never seen one. I'm sure that double sided sugar cube sticks(tm) wouldn't fit next to each other. It wasn't until late

Re: Remember the SIMM Savers? Re: Sugar shack [flavor cubes] Am2966

comp.sys.ibm.ps2.hardware

Posted: 21 Days 23 Hours ago by: Louis Ohland

So. Think of trying to kludge a multiple SIMM design onto what was usually a single-side PCB. Mebbee Kingston didn't wandt a card as big as the IBM 4MB card? There is ample space for the double-sided PCB. Also, to me, the Kingston card

Re: Sugar shack [flavor cubes] Am2966

comp.sys.ibm.ps2.hardware

Posted: 21 Days 23 Hours ago by: Tomas Slavotinek

Usually the drivers and all the other support logic is directly on the planar, and the memory modules contain only the actual memory chips. The 8580 planars may be different in this regard. Or it could be something simple - like the high

[Update] 7546 Industrial Computer

comp.sys.ibm.ps2.hardware

Posted: 21 Days 23 Hours ago by: Tomas Slavotinek

https://ardent-tool.com/7546/ (the "7564" link will continue to work for now, but please don't post it anywhere) On 30.8.2021 17:12, Tomas Slavotinek wrote:

Remember the SIMM Savers? Re: Sugar shack [flavor cubes] Am2966

comp.sys.ibm.ps2.hardware

Posted: 21 Days 23 Hours ago by: Louis Ohland

Thinking about the Kingston 4MB Model 80 daughtercard. It resembles four complete SIMMs on the card. Did IBM ever make a double-sided daughtercard? My DIMMing memories are of single-sided IBM daughtercards. More wild fantasies... In the

Re: [Update] 7564 Industrial Computer

comp.sys.ibm.ps2.hardware

Posted: 21 Days 23 Hours ago by: Tomas Slavotinek

Ergh, 7564 is a typo, it's supposed to be 7546. Fixing...

[Update] 7564 Industrial Computer

comp.sys.ibm.ps2.hardware

Posted: 21 Days 23 Hours ago by: Tomas Slavotinek

https://ardent-tool.com/7564/ For now it only contains the most basic info, links, and all the relevant announcement letters I could find. There's also a photo gallery under the "Common Devices" page: https://ardent-tool.com/7564/Commo

[Update] Industrial Computers Types 7541/7542

comp.sys.ibm.ps2.hardware

Posted: 21 Days 23 Hours ago by: Tomas Slavotinek

I've moved the sub-index page (redirects added) and updated it with some basic info and links about the 7541/7542 types. I've also added announcement letters for both the 754x and the 756x. https://ardent-tool.com/7541_42_61_62/

Sugar shack [flavor cubes] Am2966

comp.sys.ibm.ps2.hardware

Posted: 22 Days 1 Hour ago by: Louis Ohland

As that little, white alkaloid poison seeps into my body, I see possumbilities... What if IBM had cubes that performed similar functions to the Am2966? The Am2966 did the same as the 'S240 and 'S244 page 70 physical The Am2965 and Am2

Topology Thoughts

comp.sys.ibm.ps2.hardware

Posted: 22 Days 6 Hours ago by: Tomas Slavotinek

On the 1 MB 15F6820 card we have 12 chips total, 4 chip types, chips of the same type organized in columns by 3. No clue about the "topology". The 1 MB 15F6773 card has 18 chips total, 4 chip types (different than above), most of the chips

Re: One lump or two? Re: AMD Am2900

comp.sys.ibm.ps2.hardware

Posted: 22 Days 7 Hours ago by: Tomas Slavotinek

Or we could get these modules to Ken Shirriff. Cos then it would make sense to delid them... :)

Re: One lump or two? Re: AMD Am2900

comp.sys.ibm.ps2.hardware

Posted: 22 Days 7 Hours ago by: Tomas Slavotinek

I'd say probably not in this case. It would be more useful to create schematics for all the modules (both "standard" SIMMs and the Model 80 memory cards). The chips are organized in patters for PCB layout reasons... but from that alone I

Re: KTM-4000/M80 ponderings

comp.sys.ibm.ps2.hardware

Posted: 22 Days 7 Hours ago by: Tomas Slavotinek

Thanks, I'll fix that. (Ultimately it doesn't matter, the module access time is dictated by the slowest part of course.)

Re: IBM 7561/7562 Planar Origins

comp.sys.ibm.ps2.hardware

Posted: 22 Days 7 Hours ago by: Tomas Slavotinek

Yep. Aside from the shared PSU I wonder how different the 756x and 754x chassis are (since if nothing else, the 756x planar has one extra external slot). You would think so, but this IBM we are talking about... so who knows :-D I've lo

One lump or two? Re: AMD Am2900

comp.sys.ibm.ps2.hardware

Posted: 22 Days 12 Hours ago by: Louis Ohland

Evil Dave, would it be somewhat useful to delid one of the sugar cubes? What pattern was it? On 8/29/2021 16:56, IBMMuseum wrote:

Re: KTM-4000/M80 ponderings

comp.sys.ibm.ps2.hardware

Posted: 22 Days 12 Hours ago by: moussa

RAM = 80ns Parity = 70ns !! IIRC, there was a time of shortage, and they used whatever available ATT, as the hunger for RAM grew thanks to MS. also there was that transitional moment from 100ns to 80ns up to 70ns

Re: IBM 7561/7562 Planar Origins

comp.sys.ibm.ps2.hardware

Posted: 22 Days 16 Hours ago by: IBMMuseum

I figure that the rack-mount tray, PSU, fan assembly (there is of course a filter, but that can be shown along with the front panel), and drive platform are the "Common items" page. Ok, as far as I know, that should be just in the rack-m

Re: AMD Am2900

comp.sys.ibm.ps2.hardware

Posted: 22 Days 16 Hours ago by: IBMMuseum

There are a couple of variants for the 256Kb 30-pin SIMMs that are "reversed" from each other for the Model 30 286 style systems: The different "sugarcube" chips had a pattern I started to see, and I speculated that it could be czeched on

Re: IBM 7561/7562 Planar Origins

comp.sys.ibm.ps2.hardware

Posted: 22 Days 16 Hours ago by: Tomas Slavotinek

I can setup the index page in no time, but it would be nice to have some actual content there... at least the announcement letter(s) and maybe some photos (since the physical construction is what makes these things unusual and interesting

Re: IBM 7561/7562 Planar Origins

comp.sys.ibm.ps2.hardware

Posted: 22 Days 17 Hours ago by: IBMMuseum

Having only the 7541/7542 (based on an unmodified 50Z planar), I only got to observe the 7561/7562 from a distance (Alfred Arnold has/had one, with a page of pictures). BTW, that means the 7541/7542 should be as easy to set up on the http

Re:_Am2965_•_Am2966,_DYNAMIC_MEMORY_DRIVERS_I

comp.sys.ibm.ps2.hardware

Posted: 22 Days 18 Hours ago by: Louis Ohland

Huh, another SWAG, one Am2966 diddles 8 address lines, the other diddles CAS [not] and RAS [not] But the IBM cards seem to lack the address and CAS/RAS drivers, or mebbee the Kingston card uses a layout closer to a real 72-pin SIMM, and

Am2965_•_Am2966,_DYNAMIC_MEMORY_DRIVERS_IMPROVE

comp.sys.ibm.ps2.hardware

Posted: 22 Days 18 Hours ago by: Louis Ohland

http://bitsavers.org/components/amd/_dataBooks/1981_AMD_Am2960_Series_Dynamic_Memory_Support_Handbook.pdf Page 76-83, physical. DESIGN ADVANTAGES OF THE Am2965/2966 Compared with Schottky parts such as the Am74S240 or Am74S244, which are

The Am2960 Series Dynamic Memory Support Handbook

comp.sys.ibm.ps2.hardware

Posted: 22 Days 19 Hours ago by: Louis Ohland

http://bitsavers.org/components/amd/Am29000/1990_AMD_29K_Family_Data_Book.pdf

Re: AMD Am2900

comp.sys.ibm.ps2.hardware

Posted: 22 Days 19 Hours ago by: Louis Ohland

Dry hole On 8/29/2021 14:24, Louis Ohland wrote:

Re: AMD Am2900

comp.sys.ibm.ps2.hardware

Posted: 22 Days 19 Hours ago by: Louis Ohland

http://bitsavers.org/components/amd/Am29000/1990_AMD_29K_Family_Data_Book.pdf

AMD Am2900

comp.sys.ibm.ps2.hardware

Posted: 22 Days 19 Hours ago by: Louis Ohland

https://en.wikipedia.org/wiki/AMD_Am2900 Am2965/Am2966 – Octal Dynamic Memory Driver Many of these chips also have 7400 series numbers such as the 74F2960 / Am2960.

Re: KTM-4000/M80 ponderings

comp.sys.ibm.ps2.hardware

Posted: 22 Days 20 Hours ago by: Tomas Slavotinek

The IBM DRAM chips probably have somewhat different characteristics... but yeah, not sure what exactly is going on there. Bypass caps. Usually you want at least one cap per IC in applications like this, and they should be physically clo

Re: KTM-4000/M80 ponderings

comp.sys.ibm.ps2.hardware

Posted: 22 Days 23 Hours ago by: Louis Ohland

My SWAG is they took care of out of tolerance signals? reduced components? But if you look at the Kingston card, there's a lot of SMD caps... On 8/29/2021 08:57, Tomas Slavotinek wrote:

Re: KTM-4000/M80 ponderings

comp.sys.ibm.ps2.hardware

Posted: 23 Days ago by: Tomas Slavotinek

Essentially yes. Not sure why exactly are the extra drivers needed...

Re: IBM 7561/7562 Planar Origins

comp.sys.ibm.ps2.hardware

Posted: 23 Days ago by: Tomas Slavotinek

Pages merged... (The two planar links from the original post now lead to the same place.) On 29.8.2021 14:19, Tomas Slavotinek wrote:

Re: DIN 41612 Type R [8580 planar memory connector identity]

comp.sys.ibm.ps2.hardware

Posted: 23 Days ago by: Tomas Slavotinek

https://ardent-tool.com/8580/Planar_Memory.html#Connector On 29.8.2021 15:32, Louis Ohland wrote:

DIN 41612 Type R [8580 planar memory connector identity]

comp.sys.ibm.ps2.hardware

Posted: 23 Days 1 Hour ago by: Louis Ohland

https://www.mouser.com/Connectors/Backplane-Connectors/DIN-41612-Connectors/_/N-axj5j?P=1ysmvawZ1yzv6sa DIN 41612 Type R is the correct name, I think... Active part, looks like all mounting styles available...

Re: Panduit 130-096-553 Re: KTM-4000/M80 ponderings

comp.sys.ibm.ps2.hardware

Posted: 23 Days 1 Hour ago by: Louis Ohland

https://web.archive.org/web/20050113071508/http://www.itwpancon.com/HiConpages/Hi-Con45.pdf Performance Level 3 Min. 50 Mating Cycles On 8/29/2021 08:08, Louis Ohland wrote:

DIN 41612 Re: Panduit 130-096-553 Re: KTM-4000/M80 ponderings

comp.sys.ibm.ps2.hardware

Posted: 23 Days 1 Hour ago by: Louis Ohland

The HI-CON™ product line is a full line of DIN 41612 connectors.

ITWPancon Re: Panduit 130-096-553 Re: KTM-4000/M80 ponderings

comp.sys.ibm.ps2.hardware

Posted: 23 Days 1 Hour ago by: Louis Ohland

https://web.archive.org/web/20010331224401/http://itwpancon.com/

Re: Panduit 130-096-553 Re: KTM-4000/M80 ponderings

comp.sys.ibm.ps2.hardware

Posted: 23 Days 1 Hour ago by: Louis Ohland

https://datasheet.datasheetarchive.com/originals/library/Datasheet-082/DASF0042402.pdf 64 and 96 Contact Inverse Female Three Row Connectors 96 Contacts Contact arrangement Fully Equipped (Rows a + b + c) Performance Level 3 [???] Termin

Panduit 130-096-553 Re: KTM-4000/M80 ponderings

comp.sys.ibm.ps2.hardware

Posted: 23 Days 1 Hour ago by: Louis Ohland

64 and 96 Contact Inverse Male Three Row Connectors https://datasheet.datasheetarchive.com/originals/library/Datasheet-082/DASF0042402.pdf On 8/29/2021 07:36, Louis Ohland wrote:

Re: KTM-4000/M80 ponderings

comp.sys.ibm.ps2.hardware

Posted: 23 Days 1 Hour ago by: Louis Ohland

I H8te old sites that used Java... On 8/29/2021 07:40, Louis Ohland wrote:

Re: KTM-4000/M80 ponderings

comp.sys.ibm.ps2.hardware

Posted: 23 Days 1 Hour ago by: Louis Ohland

Oh, great. Burndy became part of Framatome by 1997. On 8/29/2021 07:40, Louis Ohland wrote:

Re: KTM-4000/M80 ponderings

comp.sys.ibm.ps2.hardware

Posted: 23 Days 2 Hours ago by: Louis Ohland

Oops, 2 rows of KM44C256AJ-8 on the front, 2 rows on the back. 1 row of KM41C256AJ-7 front, 1 row on the back. So, this is equivalent to FOUR 1MB SIMMs? On 8/29/2021 07:36, Louis Ohland wrote:

KTM-4000/M80 ponderings

comp.sys.ibm.ps2.hardware

Posted: 23 Days 2 Hours ago by: Louis Ohland

https://www.ardent-tool.com/8580/Planar_Memory.html Kingston KTM-4000/M80 4 MB Memory Card (REV.A00) https://www.ardent-tool.com/8580/Memory_Kingston_KTM4000_Photo_Front.jpg Buffer/Inverter Based Peripheral Driver, 0.2A, BIPolar, PDIP20,

Re: IBM 7561/7562 Planar Origins

comp.sys.ibm.ps2.hardware

Posted: 23 Days 2 Hours ago by: Tomas Slavotinek

♫ I'd like a million of 5550s all around myself ♪ On 29.8.2021 14:08, Louis Ohland wrote:

Re: [Update] Model 80 Memory Cards

comp.sys.ibm.ps2.hardware

Posted: 23 Days 2 Hours ago by: Louis Ohland

No. I think it was during the plague of unbelief.... On 8/29/2021 07:08, Tomas Slavotinek wrote:

Re: IBM 7561/7562 Planar Origins

comp.sys.ibm.ps2.hardware

Posted: 23 Days 2 Hours ago by: Louis Ohland

I'm turning Japanese, yes I'm turning Japanese, yes, I think so... On 8/29/2021 07:06, Tomas Slavotinek wrote:

Re: [Update] Model 80 Memory Cards

comp.sys.ibm.ps2.hardware

Posted: 23 Days 2 Hours ago by: Tomas Slavotinek

Do you have the auction (or whatever) saved? Or at least the photos? On 29.8.2021 14:06, Louis Ohland wrote:

IBM 7561/7562 Planar Origins

comp.sys.ibm.ps2.hardware

Posted: 23 Days 2 Hours ago by: Tomas Slavotinek

https://ardent-tool.com/7561-62/Common.html https://ardent-tool.com/7561-62/7562_Planar.html A redesigned Model 70 planar with 4 slots, *two* of which have the AVE extension? Where have I seen that before... Yep, that's right! IBM Japan

Re: [Update] Model 80 Memory Cards

comp.sys.ibm.ps2.hardware

Posted: 23 Days 2 Hours ago by: Louis Ohland

About a year ago, there was a third party 72 pin SIMM to Model 80 planar memory connector [adapter]? I didn't buy it. It was over in Germany, IIRC "From Peter: I once... [tried] to build a "Model 80 to 72-pin SIMM" converter - an a

[Update] Model 80 Memory Cards

comp.sys.ibm.ps2.hardware

Posted: 23 Days 17 Hours ago by: Tomas Slavotinek

https://www.ardent-tool.com/8580/Planar_Memory.html Based on photos from David. Additional card variants, new outlines, parts lists... Why some of the cards have 4 different IC types and why are they organized in strange patterns? Dunno,

Re: Hey sandy, thanks for everything!

comp.sys.ibm.ps2.hardware

Posted: 24 Days 6 Hours ago by: Tomas Slavotinek

Hi Jordan, I'm glad you have found the PS/55 pages useful. When I started working on Sandy's old website a few years ago, I didn't think it would find much use after all the years, especially since all the binary files were lost in the sa

Hey sandy, thanks for everything!

comp.sys.ibm.ps2.hardware

Posted: 24 Days 19 Hours ago by: Jordan

And you too Mr. Tomas, I wouldn't be able to do anything with my Japanese PS/55 systems without the hard work of you and countless others. I'm new here so I guess this is my introductory post - don't worry, my regular posts won't be this ve

Shipping for a 13/16 OD BSF die $70!

comp.sys.ibm.ps2.hardware

Posted: 24 Days 22 Hours ago by: Louis Ohland

Diddling with a toy from earlier daze. I need a Whitworth 7/32 x 28 BSF split die [1" or 13/16" would do]. One flea-bye item was $69 and change for a shipping estimate... Way. To. (the) Future....

Re: L40 SX backlight power

comp.sys.ibm.ps2.hardware

Posted: 25 Days 1 Hour ago by: Louis Ohland

Nope. Nothing in RETAIN or the TP HMM. On 8/26/2021 17:22, Manuel Maseda wrote:

L40 SX backlight power

comp.sys.ibm.ps2.hardware

Posted: 25 Days 16 Hours ago by: Manuel Maseda

Today the backlight power supply on my L40 SX died. Anyone have any information about that circuit? Manuel

Re: GG24-4430-00 Understanding Performance Tuning Theory for IBM OS/2

comp.sys.ibm.ps2.hardware

Posted: 25 Days 23 Hours ago by: Kevin Bowling

Interesting from an OS design perspective too.

Re: LGR ??

comp.sys.ibm.ps2.hardware

Posted: 27 Days 19 Hours ago by: schimmi

You forgot TechTangents :) But I know, what you mean.

GG24-4430-00 Understanding Performance Tuning Theory for IBM OS/2 LAN

comp.sys.ibm.ps2.hardware

Posted: 27 Days 22 Hours ago by: Louis Ohland

https://ia800208.us.archive.org/14/items/gg244430/gg244430.pdf Good source for artwork

Re: LGR ??

comp.sys.ibm.ps2.hardware

Posted: 28 Days 5 Hours ago by: Tomas Slavotinek

Yeah, he doesn't understand the technology very well, but (as a gamer) I can see where he is coming from with his remarks. If you are into DOS gaming in particular, the tech really gets in your way more than anything. Most of Clint's vid

Re: LGR ??

comp.sys.ibm.ps2.hardware

Posted: 28 Days 9 Hours ago by: IBMMuseum

And typical Clint with the remarks about PS/2s and microchannel...

Re: LGR ??

comp.sys.ibm.ps2.hardware

Posted: 28 Days 17 Hours ago by: schimmi

First I thought, you mean https://www.youtube.com/watch?v=m3cjveSmkwc he posted today. The Motherlode is years old :D

Re: LGR ??

comp.sys.ibm.ps2.hardware

Posted: 29 Days 10 Hours ago by: moussa

Thanks David

Re: Curious Mark has Model 77 woes

comp.sys.ibm.ps2.hardware

Posted: 29 Days 10 Hours ago by: IBMMuseum

And he is a "big iron" - not necessarily IBM - guy. He's also now aware that I have four System/34s. It's going to be a productive association all around.

Re: LGR ??

comp.sys.ibm.ps2.hardware

Posted: 29 Days 10 Hours ago by: IBMMuseum

Clint isn't active on the "vintage" and retro groups of Facebook, as far as I can tell - He's probably referring to VCF (the "Vintage Computers Forum") where Louis, Tim, and I (besides a few others on the Facebook groups like Nikolai) can

Re: LGR ??

comp.sys.ibm.ps2.hardware

Posted: 29 Days 10 Hours ago by: moussa

if you watch the video, he said he acquired the gear from someone he met in online forum, I wonder if it was from our News Groups, also if he's active here with us.

Re: LGR ??

comp.sys.ibm.ps2.hardware

Posted: 29 Days 10 Hours ago by: Grant Taylor

I've not watched it yet. What's your question? I assume it's more than what does LGR stand for. But if that is it, Lazy Game Review, or something like that.

LGR ??

comp.sys.ibm.ps2.hardware

Posted: 29 Days 11 Hours ago by: moussa

https://www.youtube.com/watch?v=k2R6bwxQqs8

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