| 701 | POST Error - Math Coprocessor Error |
| 701 | DIAGS Error - Math Coprocessor Presence Initialization |
| 702 | DIAGS Error - Exception errors test |
| 703 | DIAGS Error - Rounding test |
| 704 | DIAGS Error - Arithmetic test 1 |
| 705 | DIAGS Error - Arithmetic test 2 |
| 706 | DIAGS Error - Arithmetic test 3 (only for 80387) |
| 707 | DIAGS Error - Combination test |
| 708 | DIAGS Error - Integer load/store |
| 709 | DIAGS Error - Equivalent expressions |
| 710 | DIAGS Error - Exception (interrupts) |
| 711 | DIAGS Error - Save state (FSAVE) |
| 712 | DIAGS Error - Protected mode (protected mode) |
| 713 | DIAGS Error - Special test may catch voltage/temp problems |