Specifications

122 AMD Geodeā„¢ GeodeROM Functional Specification
System Services
32087C
12.1.3.18 Subfunction 11h - Get/Set/Disable Resume Timer
Description:
Passed:
Returns:
Related Functions:
None.
Parameter Description
AH 53h = APM
AL 11h = APM function code
BX Power device ID:
0000h = All devices power managed by APM BIOS
All other values reserved
CL 00h = Disable resume timer
01h = Get resume timer
02h = Set resume timer
If CL = 02h:
CH = Second (0 to 59 in BCD format)
DH = Hours (0 to 23 in BCD format)
DL = Minutes (0 to 59 in BCD format)
SI = Month (high byte, 1 to 12 in BCD format), Day (low byte, 1 to 31 in BCD format)
DI = Year (1995 to ... in BCD format)
Parameter Description
If function is successful:
CF 0 = Successful connection
If CL = 01h
CH Second (0 to 59 in BCD format)
DH Hours (0 to 23 in BCD format)
DL Minutes (0 to 59 in BCD format)
SI Month (high byte, 1 to 12 in BCD format), Day (low byte, 1 to 31 in BCD format)
DI Year (1995 to ... in BCD format)
If function is unsuccessful:
CF 1 = Carry flag set on error
AH Error code:
03h = Interface not connected
09h = Unrecognized device ID
0Ah = Parameter value out of range
0Bh = Interface not engaged
0Ch = Function not supported
0Dh = Resume timer disabled (valid for get resume timer value only)