| 201 | MEMORY (RAM) Memory test failed. |
| 202 | MEMORY (RAM) Memory address error (line error 00..15) |
| 203 | MEMORY (RAM) Memory address error (line error 16..23) |
| 212 | Watchdog time-out error; reported by NMI interrupt handler |
| 213 | DMA bus arbitration time-out;reported by NMI interrupt handler |
| 221 | ERROR (this is not a PC error code it is a COINS error code) |
| 230 | Overlapping adapter and planar memory (Family 1) |
| 231 | Non-contiguous adapter memory installed (Family 1) |
| 235 | Stuck data line on memory module, microprocessor, or system board |