Format of Hewlett-Packard ROM ID at F000h:00F8h |
| Offset | Size | Description |
|---|---|---|
|
00h |
2 BYTEs |
signature "HP" (48h 50h) |
|
02h |
2 BYTEs |
00h 00h |
|
04h |
BYTE |
secondary code revision |
|
05h |
BYTE |
primary code revision |
|
06h |
BYTE |
date code, year-1960 (BCD) |
|
07h |
BYTE |
date code, week of year (BCD) |
|
See Also: |