| 201 | POST Error - Memory error |
| 201 | DIAGS Error - data miscompare or parity or adapter ** MORE INFO ** |
| 202 | POST Error - Memory address error |
| 202 | DIAGS Error - Address error |
| 203 | POST Error - Memory address error |
| 203 | DIAGS Error - Refresh failure |
| 204 | DIAGS Error - Relocated memory (run Diagnostics again) |
| 205 | DIAGS Error - CMOS ERROR |
| 207 | DIAGS Error - ROM ERROR |
| 210 | POST Error - Parity error in base 64K |
| 211 | POST Error - Base 64K on I/O channel failed |
| 215 | POST Error - Base 64K on daughter card #2 failed |
| 215 | PS2 motherboard memory failure |
| 216 | PS2 motherboard memory failure |
| 216 | POST Error - Base 64K on daughter card #1 failed |
| 221 | POST Error - ROM or RAM copy error (8570 only) |
| 225 | POST Error - Wrong Memory Speed (8570 only) |
| 231 | EMO memory error - either a defective 80386 Memory Adapter or defective memory module(s) on the EMO card. |
| 241 | Incompatible or unrecognized memory module installed on 80386 Memory Expansion Option. Unsupported SIMM. |
| 251 | Enhanced Memory modules moved or changed. Reconfigure. |