| Model | Sub-Model | Machine |
|---|---|---|
| FF | ?? | Original IBM PC 4/24/81 |
| ?? | IBM PC 10/19/81 | |
| ?? | IBM PC 10/27/82 | |
| FE | ?? | IBM XT (Original) |
| ?? | IBM portable PC | |
| ?? | Compaq DeskPro | |
| FD | ?? | PCjr |
| FC | ?? | IBM AT (6 MHz) |
| 01 | IBM AT 3×9 (8 MHz) | |
| 02 | IBM XT 286 | |
| 04 | IBM PS/2 Model 50 | |
| 05 | IBM PS/2 Model 60 | |
| 0B | IBM PS/1 | |
| FB | 00 | IBM 256/640K XT (aka XT/2) |
| FA | 00 | IBM PS/2 Model 30 |
| 01 | IBM PS/2 Model 25 | |
| F9 | 00 | IBM PC Convertible |
| F8 | 00 | IBM PS/2 Model 80 (16 MHz) |
| 01 | IBM PS/2 Model 80 (20 MHz) | |
| 04 | IBM PS/2 Model 70 (20 MHz) | |
| 09 | IBM PS/2 Model 70 (16 MHz) | |
| B6 | ?? | Hewlett Packard 110 |
| 9A | ?? | Compaq Plus |
| 86 | XT (BIOS 11/82+) & AT (BIOS 1/84+) (see note) | |
| 80 | PC & PCjr (see note) | |
| 2D | ?? | Compaq PC |