Specifications

AMD Geode™ GeodeROM Functional Specification 107
System Services
32087C
12.1.3.2 Subfunction 01h - APM Real Mode Interface Connect
Description:
Passed:
Returns:
Related Functions:
None.
Parameter Description
AH 53h = APM
AL 01h = APM function code
BX Power device ID:
0000h - APM BIOS
All other values reserved
Parameter Description
If function is successful:
CF 0 = APM is supported by BIOS
If function is unsuccessful:
CF 1 = Carry flag set on error
AH Error code:|
02h = Real Mode interface connection already established
05h = 16-bit protected mode interface already established
07h = 32-bit protected mode interface already established
09h = Unrecognized device ID
86h = APM not present