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MCATST.exe Diagnostics disk, MS-DOS. Do not run IBM's
diagnostic programs to test the Above Board's memory. (This includes the "Test
the computer" option in the main menu of the Reference Diskette program.)
CHKMEM.exe This program reports the amount of
conventional, extended and expanded memory present in a system.
Intel Above Board Support Pages (archived)
Intel Above Board - Installation Problems and Solutions
Above Board 2
SIMM Compatibility
Above Board 2
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SIMM Compatibility
Source: SIMMs For The Above Board 2
The following table lists the SIMMs that Intel has verified are compatible
with the Above Board 2. The table lists both the part number on the module
("bottom side" of the module) and the part number on the DRAMs ("topside" of
the module).
The Above Board 2 can only use 256 KB SIMMs.
| Manufacturer | Module Part Number
("Bottom side") | DRAM Part Number
("Topside") |
|---|
| Fujitsu | MB85227-xx MB85240-xx | 81256-xx 81C258-xx |
| Hitachi | HB561409B-xx | HM50256CP-xx |
| Intel | SM21259 | N21256-xx |
| Micron Technologies | MT9259M-xx | MT1259EJ-xx |
| Mitsubishi | MH25609J-xx | M5M4256AJ-xx |
| NEC | MC-41256A9B-xx | 41256-xx |
| OKI | MSC2304-xx | YS9M41256-xx |
| Samsung | KMMS9256-xx | KM41256-xx |
| Texas Instruments | TM4256GU9-xx TM4256EU9-xx | TMS4256FML TMS4256FML |
"xx" = chip speed rating. "15" = 150 ns, "12" = 120 ns, "10 = 100 ns, etc.
Note: IBM SIMMs are not compatible with Above Boards.
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