perjantai 31. maaliskuuta 2023 klo 13.23.31 UTC+3 Louis Ohland kirjoitti:
> Nice that someone is awake.
>
> Buzzkill, the EOS reports itself as parity, so the system in question
> has to support 16MB parity SIMMs.
>
> 9585 -X or -K/N
>
> 4MB and 8MB EOS are supported by all PS/2s, as their size is supported.
>
> The IBM ECC-on-SIMM (EOS) part numbers are
> 11H0618 (8MB)
> 11H0621 (16MB)
> 11H0624 (32MB)
>
> Lead composition:
>
> 11D - Tin
> 11E - Gold
>
> ECC controller on EOS is 73G6876.
> These are a sea of gates, not a specific ASIC
>
> Toshiba TC160G11AT
> AMI 6553-013
>
> https://www.ibm.com/common/ssi/ShowDoc.wss?docURL=/common/ssi/rep_ca/5/897/ENUS195-075/index.html&request_locale=en
>
>
> Options by IBM: IBM ECC-on-SIMM Memory Upgrades
> Announcement Number: 195-075
>
> Normal Height: 26.4mm
> Tall Height: 41.7mm
> Wide Width: 14.2mm
> Normal Width: 10.1mm
>
> +-------------------------------------------------------------------+
> | o SEC high-speed ECC algorithm |
> | o 70ns (x36 bits) 72-pin JEDEC standard SIMM |
> | o IBM or industry standard presence detects, gold tabs |
> | o Fit in standard x36 SIMM socket |
> | o No processor changes required |
> | |
> | o 4MB (Wide) 70ns ECC-on-SIMM Memory Upgrade: |
> | - Selected PS/2(R) and IBM PC Server 300 and 320 systems |
> | |
> | o 8MB (Wide) 70ns ECC-on-SIMM Memory Upgrade: |
> | - Selected PS/2 systems |
> | |
> | o 8MB (Tall), 16MB, and 32MB 70ns ECC-on-SIMM Memory Upgrades: |
> | - IBM PC Server 300 and 320 systems |
> +-------------------------------------------------------------------+
>
> The following memory options complement the Options by IBM family of
> offerings:
>
> 4MB 70ns ECC-on-SIMM Memory Upgrade
> 8MB (Wide) 70ns ECC-on-SIMM Memory Upgrade
> 8MB (Tall) 70ns ECC-on-SIMM Memory Upgrade
> 16MB 70ns ECC-on-SIMM Memory Upgrade
> 32MB 70ns ECC-on-SIMM Memory Upgrade
>
> The IBM ECC-on-SIMM Memory Upgrades offer 4MB, 8MB, 16MB and 32MB of
> error-correcting-code (ECC) memory on a SIMM. This upgrade family -- a
> plug-compatible, fully retrofittable series of 70ns memory modules --
>
> allows you to upgrade a parity system to a fully functional
> single-error-correct (SEC) ECC system. The ECC function is completely
> self-contained on the SIMM and provides correction of single-bit errors that
>
> occur in each byte of SIMM data. No processor changes are required to
> receive the enhanced reliability this SIMM family offers.
>
> The ECC-on-SIMM Memory Upgrades are organized as x36 bits, support
> parity, and are packaged on a 72-pin JEDEC (Joint Electronic Device
> Engineering Council) standard SIMM with gold tabs. The 4MB SIMM has IBM
>
> presence detects, while the 8MB (Tall and Wide), 16MB and 32MB SIMMs
> have industry standard presence detects.
>
> Use of the ECC-on-SIMM Memory Upgrades is recommended when processing
> critical applications on systems without native ECC. Enhanced data
> integrity and memory reliability are provided with no system performance
>
> penalty. The upgrades are extremely important in server environments
> where single-bit memory errors can impact all users on the network.
>
> Part Availability Unit
> Description Number Date Price
>
>
> 4MB 70ns ECC-on-SIMM 75G6500
> 8MB (Wide) 70ns ECC-on-SIMM 75G6501
> 8MB (Tall) 70ns ECC-on-SIMM 11H0618
> 16MB 70ns ECC-on-SIMM 11H0621
> 32MB 70ns ECC-on-SIMM 11H0624
>
>
>
> IBM 4MB 70NS ECC-ON-SIMM MEMORY UPGRADE (#1500, 75G6500)
>
>
> The 4MB 70ns ECC-on-SIMM Memory Upgrade module is organized as 1M x 36,
> supports parity, and is packaged on a 72-pin JEDEC standard SIMM with
> gold tabs and IBM presence detects.
>
> Technical Information
>
> Physical Specifications
>
> Dimensions:
> Height: 26.4 mm (1.04 in.)
> Width: 108 mm (4.25 in.)
> Depth: 10.1 mm (0.4 in.)
> Weight: .025kg (0.055 lb)
>
> Operating Environment
>
> Temperature: 0(degs)C to 65(degs)C (32(degs)F to 149(degs)F)
> Relative humidity: 8% to 80%
> Wet bulb: 23(degs)C (73(degs)F)
> Electrical power: 1620 mA max
>
> Hardware Requirements: The 4BM 70ns ECC-on-SIMM Memory Upgrade (#1500,
> 75G6500) is supported on the following IBM platforms:
>
> Machine
> Description Type Model
>
>
> PS/2 8525 K00, K01, L02
> 8535 040, 043, 050, 055,
> 14X, 24X
> 8540 040, 043, 045
> 8556 043, 045, 055, 059,
> 14X, 15X, 24X, 25X
> 8557 045, 049, 055, 059,
> 05F, 259
> 8590(1) 0J5, 0J9, 0JD, 0JF,
> 0K9, 0KD, 0KF, 0GF,
> 0G5, 0G9, 0HF, 0H5, 0H9,
> 0L9, 0LF
> 8595(1) 0J9, 0JD, 0JF, 0KD,
> 0KF, 0G5, 0G9, 0GF,
> 0H5, 0H9, 0HF, 0L9,
> 0LF, 0X6, 0XA, 0XF,
> 0XG
> 9553 0B7, 0BB, 1BX, 2BX
> 9556 DBA, DB6, DEB, DED,
> DE9, KBA, KB6, QBA,
> QB6, 0BA, 0B6, 1EX, 2EX
> 9557 DBA, DBG, DB6, DEB,
> DED, DEG, DE9, KBA,
> KBG, KB6, QBA, QB6,
> 0BA, 0B6, 1BA, 2BA,
> 6EB, 6EG, 7EB, 7EG
> 9576 DUA,DU6, KUA, KU6,
> QUA, QU6, 0UA, 0U6
> 9577 DNA, DNG, DUA, DUG,
> KNA, KNG, KUA, KUG
> QBA, QB6, QNA, QUA,
> 0NA, 0NF, 0UA, 0UF,
> 1NA, 1UA,
> 9585(1) 0X6, 0XA, 0XF, 0XG,
> 0KG, 0KT, 0NG, 0NT
> 9590(1) DLA, 0LA, QLA, KLA,
> 0LF, DLG, KLG
> 9595(1) 0LF, 0LG
>
>
> PC Server 8640(1) 0N0, 0NJ, 0P0, 0PT,
> 0Y0, 0YT, 1Y0, 1YT
>
> (1) These systems must be upgraded with sets of two 75G6500
> upgrades.
>
> Limitations
>
> Parity memory cannot coexist with the 4MB 70ns ECC-on-SIMM Memory
> Upgrade in the same system.
> 8590, 8595, 9590, and 9595 models with native ECC (xMx,1Nx, xPx,
> xQx, xTx, xVx) are not supported.
>
>
> IBM 8MB (WIDE) 70NS ECC-ON-SIMM MEMORY UPGRADE (#6501, 675G6501)
>
> The 8MB (Wide) 70ns ECC-on-SIMM Memory Upgrade module is organized as 2M
> x 36, supports parity, and is packaged on a 72-pin JEDEC standard SIMM
> with gold tabs and industry standard presence detects.
>
> Technical Information
>
> Physical Specifications
>
> Dimensions:
> Height: 26.4 mm (1.04 in.)
> Width: 108 mm (4.25 in.)
> Depth: 14.2 mm (0.56 in.)
> Weight: .041 kg (0.09 lb)
>
> Operating Environment
>
> Temperature: 0(degs)C to 65(degs)C (32(degs)F to 149(degs)F)
> Relative humidity: 8% to 80%
> Wet bulb: 23(degs)C (73(degs)F)
> Electrical power: 1656 mA max
>
>
> Hardware Requirements: The 8MB (Wide) 70ns ECC-on-SIMM Memory Upgrade
> (#6501, 675G6501) is supported on the following IBM platforms:
>
> Machine
> Description Type Model
>
>
> PS/2 8556 043, 045, 055, 059,
> 14X, 15X, 24X, 25X
> 8557 045, 049, 055, 059,
> 05F, 259
> 8590(1) 0J5, 0J9, 0JD, 0JF,
> 0K9, 0KD, 0KF, 0G5,
> 0G9, 0GF, 0H5, 0H9,
> 0HF, 0L9, 0LF
> 8595(1) 0J9, 0JD, 0JF, 0KD,
> 0KF, 0G5, 0G9, 0GF,
> 0H5, 0H9, 0HF, 0L9,
> 0LF, 0X6, 0XA, 0XF,
> 0XG
> 9556 DBA, DB6, DEB, DED,
> DE9, KBA, KB6, QBA,
> QB6, 0BA, 0B6, 1EX,
> 2EX
> 9557 DBA, DBG, DB6, DEB,
> DED, DEG, DE9, KBA,
> KBG, KB6, QBA, QB6,
> 0BA, 0B6, 1BA, 2BA,
> 6EB, 6EG, 7EB, 7EG
> 9576 DUA, DU6, KUA, KU6,
> QUA, QU6, 0UA, 0U6
> 9577 DNA, DNG, DUA, DUG,
> KNA, KNG, KUA, KUG,
> QBA, QB6, QNA, QUA,
> 0NA, 0NF,0UA, 0UF,
> 1NA, 1UA
> 9585(1) 0X6, 0XA, 0XF, 0XG,
> 0KG, 0KT, 0NG, 0NT
> 9590(1) DLA, 0LA, QLA, KLA,
> 0LF, DLG, KLG
> 9595(1) 0LF, 0LG
>
> (1) These systems must be upgraded with sets of two 75G6501 upgrades.
>
> Limitations
>
> Parity SIMMs cannot coexist with the IBM 8MB (Wide) 70ns
> ECC-on-SIMM Memory Upgrade in the same system.
> 8590, 8595, 9590, and 9595 models with native ECC (xMx, 1Nx, xPx,
> xQx, xTx, xVx) are not supported.
> Maximum system memory is not attainable on 8556, 8557, 9556, 9557,
> 9576, and 9577 models due to physical constraints:
> Two 8MB (Wide) ECC-on-SIMM Memory Upgrades cannot be installed
> in adjacent SIMM sockets.
> Models with three SIMM sockets have a maximum of two 8MB (Wide)
> and one 4MB ECC-on-SIMM Memory Upgrades.
> Models with four SIMM sockets have a maximum of two 8MB (Wide)
> and two 4MB ECC-on-SIMM Memory Upgrades.
>
>
>
> IBM 8MB (TALL) 70NS ECC-ON-SIMM MEMORY UPGRADE (#1681, 11H0618)
>
> The 8MB (Tall) 70ns ECC-on-SIMM Memory Upgrade module is organized as 2M
> x 36, supports parity, and is packaged on a 72-pin JEDEC standard SIMM
> with gold tabs and industry standard presence detects.
>
> Technical Information
>
> Physical Specifications
>
> Dimensions:
> Height: 41.7 mm (1.64 in.)
> Width: 108 mm (4.25 in.)
> Depth: 10.1 mm (0.40 in.)
> Weight: .039 kg (0.09 lb)
>
> Operating Environment
>
> Temperature: 0(degs)C to 65(degs)C (32(degs)F to 149(degs)F)
> Relative humidity: 8% to 80%
> Wet bulb: 23(degs)C (73(degs)F)
> Electrical power: 1656 mA max
>
>
> Hardware Requirements: The 8MB (Tall) 70ns ECC-on-SIMM Memory Upgrade is
> supported on the following IBM platforms:
>
> Machine
> Description Type Model
>
>
> PC Server 8640(1) 0N0, ONJ, 0P0, 0PT, 0Y0,
> 0YT, 1Y0, 1YT
>
> (1) These systems must be upgraded with sets of two 11H0618
> upgrades.
>
> Limitations: Parity SIMMs cannot coexist with the 8MB (Tall) 70ns
> ECC-on-SIMM Memory Upgrade in the same system.
>
>
> IBM 16MB 70NS ECC-ON-SIMM MEMORY UPGRADE (#1621, 11H0621)
>
>
> The 16MB 70ns ECC-on-SIMM Memory Upgrade module is organized as 4M x 36,
> supports parity, and is packaged on a 72-pin JEDEC standard SIMM with
> gold tabs and industry standard presence detects.
>
>
> Physical Specifications
>
> Dimensions:
> Height: 26.4 mm (1.04 in.)
> Width: 108 mm (4.25 in.)
> Depth: 10.1 mm (0.40 in.)
> Weight: .025 kg (0.06 lb)
>
> Operating Environment
>
> Temperature: 0(degs)C to 65(degs)C (32(degs)F to 149(degs)F)
> Relative humidity: 8% to 80%
> Wet bulb: 23(degs)C (73(degs)F)
> Electrical power: 1440 mA max
>
> Hardware Requirements: The 16MB 70ns ECC-on-SIMM Memory Upgrade is
> supported on the following IBM platforms:
>
> Machine
> Description Type Model
>
>
> PC Server 8640(1) 0N0, ONJ, 0P0, 0PT, 0Y0,
> 0YT, 1Y0, 1YT
>
> (1) These systems must be upgraded with sets of two 11H0621 upgrades.
>
> Limitations: Parity SIMMs cannot coexist with the 16MB 70ns ECC-on-SIMM
> Memory Upgrade in the same system.
>
>
>
> IBM 32MB 70NS ECC-ON-SIMM MEMORY UPGRADE (#1624, 11H0624)
>
> The 32MB 70ns ECC-on-SIMM Memory Upgrade module is organized as 8M x 36,
> supports parity, and is packaged on a 72-pin JEDEC standard SIMM with
> gold tabs and industry standard presence detects.
>
> Technical Information
>
> Physical Specifications
>
> Width: 108 mm (4.25 in.)
> Depth: 10.1 mm (0.40 in.)
> Length: 41.7 mm (1.64 in.)
> Weight: .039 kg (0.09 lb)
>
> Operating Environment
>
> Temperature: 0(degs)C to 65(degs)C (32(degs)F to 149(degs)F)
> Relative humidity: 8% to 80%
> Wet bulb: 23(degs)C (73(degs)F)
> Electrical power: 1464 mA max
>
>
> Hardware Requirements: The 32MB 70ns ECC-on-SIMM Memory Upgrade is
> supported on the following IBM platforms:
>
> Machine
> Description Type Model
>
>
> PC Server 8640(1) 0N0, ONJ, 0P0, 0PT, 0Y0,
> 0YT, 1Y0, 1YT
>
> (1) These systems must be upgraded with sets of two 11H0624 upgrades.
>
> Limitations: Parity SIMMs cannot coexist with the 32MB 70ns ECC-on-SIMM
> Memory Upgrade in the same system.
So mine two 11H0621 has only use in PC Server 8640 that I don´t have.