Specifications

112 AMD Geode™ GeodeROM Functional Specification
System Services
32087C
12.1.3.8 Subfunction 07h - Set Power State
Description:
Passed:
Returns:
Related Functions:
None.
Parameter Description
AH 53h = APM
AL 07h = APM function code
BX Power device ID:
0001h = All devices power managed by the BIOS
01xxh
1
= Display
02xxh
1
= Secondary storage
03xxh
1
= Parallel ports
04xxh
1
= Serial ports
05xxh
1
= Network adapters
06xxh
1
= 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.
CX Power state:
0000h
2
= APM enabled
0001h = Standby
0002h = Suspend
0003h = Off
0004h
3
= Last request processing notification
0005h
3
= Last request rejected
0006h-001Fh = Reserved system states
0020h-003Fh = OEM defined system states
0040h-007Fh = OEM defined device states
0080h-FFFFh = Reserved device states
2. Not supported for power device ID 0001h.
3. Only supported for power device ID 0001h.
Parameter Description
If function is successful:
CF 0 = Successful connection
If function is unsuccessful:
CF 1 = Carry flag set on error
AH Error code:
01h = Power management functionality disabled
03h = Interface not connected
09h = Unrecognized device ID
0Ah = Parameter value out of range
0Bh = Interface not engaged
60h = Unable to enter requested state