Specifications
AMD Geode⢠GeodeROM Functional Specification 117
System Services
32087C
12.1.3.13 Subfunction 0Ch - Get Power State
Description:
Passed:
Returns:
Related Functions:
None.
Parameter Description
AH 53h = APM
AL 0Ch = APM function code
BX Power device ID:
0001h = All devices power managed by APM BIOS
01xxh
1
= Display
02xxh = Secondary storage
03xxh = Parallel ports
04xxh = Serial ports
05xxh = Network adapters
06xxh = PCMCIA sockets
E000h-EFFFH = OEM defined power device IDs
All other values reserved
1. xxh = Unit number (0 based). Unit number of FFh means all devices in this class.
Parameter Description
If function is successful:
CF 0 = Successful connection
CX xx Power state
If function is unsuccessful:
AH Error code:
01h = Power management functionality disabled
09h = Unrecognized device ID
86h = APM not present