Memory Error Location
Models 56/57, 76/77, 85, and 90/95

Assuming you got a memory error code in the 0002XXSY format, you should be able to find the failing module with the help of the tables below.

The -X- in the error-code can be any number, -S- marks the position of the memory socket, -Y- determines the module type, size and access-speed.

S: Values for the Module Location

S56 / 5776 / 7790 (Riser)85 / 95
0Configuration mismatch / Run Setup
1Mem 1Mem 1J1 (J11)A1
2Mem 2Mem 2J2B1
3Mem 3Mem 3J3A2
4N/AMem 4J4B2
5N/AN/AJ1 (J14)A3
CAny *)
*) If the value for Y=Z there might be no valid module or no module at all installed.
For details see Here!

Y: Values for Memory Type, Size and Speed

0Parity4 MB80 ns
1Parity2 MB100 ns
2Parity1 MB100 ns
4Parity4 MB70 ns
5Parity2 MB85 ns
6Parity1 MB85 ns
8Parity8 MB80 ns
9Parity2 MB80 ns
AParity16 MB70 ns
BParity8 MB70 ns
CParity2 MB70 ns
DParity2 MB120 ns
EParity1 MB120 ns
KECC16 MB70 ns
QECC4 MB70 ns
RECC32 MB70 ns
SECC8 MB70 ns
TECC2 MB70 ns

Content created and/or collected by:
Louis Ohland, Peter Wendt, William Walsh, Kevin Bowling, Jim Shorney, Tim Clarke, David Beem, Tatsuo Sunagawa, Tomáš Slavotínek, and many others.

Ardent Tool of Capitalism - MAD Edition! is maintained by Tomáš Slavotínek.
Last update: 17 Apr 2021 - Changes & Credits | Legal Info & Contact