| 8601 | POST Error - System Board (Mouse Port) |
| 8601 | DIAGS Error - Replace Mouse |
| 8602 | POST Error - Mouse |
| 8602 | DIAGS Error - User indicated error |
| 8603 | POST Error - System Board or Mouse |
| 8603 | DIAGS Error - System Board failure |
| 8604 | DIAGS Error - System Board or Mouse failure |