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back2root:ibm-pc-ms-dos:interrupts:int_15:int_15_c0
Table des matières
Ceci est une ancienne révision du document !
INT 0x15 - 0xc0 - Return System Configuration Parameters (PS/2 only)
Request/Call:
| reg | value | descr |
|---|---|---|
| AH | 0xc0 |
Return:
- CF = 1 if error
- CF = 0 if successful :
| reg | descr |
|---|---|
| AH | set, 80h for PC & PCjr, 86h for XT (BIOS after 11/8/82) and AT (BIOS after 1/10/84) |
| ES:BX | pointer to system descriptor table in ROM of the format (see below) |
Values code:
| offset | size | description |
|---|---|---|
| 00h | word | length of descriptor (8 minimum) |
| 02h | byte | model byte (same as F000:FFFE, not reliable) |
| 03h | byte | secondary model byte |
| 04h | byte | BIOS revision level (zero based) |
| 05h | byte | feature information, see below |
| 06h | dword | reserved |
Notes & Comments
Notes
back2root/ibm-pc-ms-dos/interrupts/int_15/int_15_c0.1673882795.txt.gz · Dernière modification : 2023/01/16 16:26 de frater
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