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For an explanation of the difference between PS/2 SIMMs and Industry
Standard SIMMs visit Louis Ohland's
Memory Identification page,
extensive list of many part numbers for PS/2 SIMMs can be found on his
Memory Reference page.
Below is a short summary of the IBM PS/2 SIMMs that I have found applicable
to PS/2 8580 bus memory adapters.
| Size |
Speed |
Option Numbers |
FRU Number |
Manufacturing (Visible) Number |
| 1 MB |
85 ns |
6450603 |
90X8624 |
65X6264 |
| 2 MB |
85 ns |
6450604, 92G7196 |
92F0104 |
65X6249, 68X6127 |
|
80 ns |
6450608 |
92F0103 |
65X5806 |
| 4 MB |
80 ns |
87F9977, 92G7199 |
92F3337 |
68X6343 |
|
70 ns |
6450128, 92G7200 |
92F0105 |
71F7010 |
If you are looking for an IBM source of Marketing part numbers and
FRU (Field Replaceable Unit) part numbers and other details, visit
IBM Memory Cross-Reference (?) and
PS/1 PS/2 PC Memory Reference.
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