| Type ▼ | Name | Year ▼ | Publisher ▼ |
|---|---|---|---|
| HP 9845A Option ROM |  Graphics Model 09845-65537 | 198? | Hewlett-Packard |
| HP 9845A Option ROM | HP 9845B Command File/Memory Mass Storage ROM Model 831010 | 198? | Structured Soft. Systems |
| HP 9845A Option ROM | HP 9845B Command File/Memory Mass Storage ROM Model 841010 | 198? | Hewlett-Packard |
| HP 9845A Option ROM | I/O LPU Model 09845-65532 | 198? | Hewlett-Packard |
| HP 9845A Option ROM | I/O PPU Model 09845-65533 | 198? | Hewlett-Packard |
| HP 9845A Option ROM | Mass Storage Model 09845-65531 | 198? | Hewlett-Packard |
| HP 9845A Option ROM | PDR-45 | 198? | Infotek Systems |
| HP 9845A Option ROM | Programmer's Toolkit Model 830505 | 198? | Structured Soft. Systems |