Lenovo ThinkPad 600 Technical Reference Manual for the ThinkPad 600 - Page 117
Get System Timer, SMAPI BIOS, Minor Function Number - 2
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Get System Timer Input Field Major Function Number - 32 Minor Function Number - 2 Parameter 1 - Bits 15-8 Power mode select = h - Reserved = 1h - Manual PM mode (ac) = 2h - Manual PM mode (battery) = F3h - High performance mode = F4h - Auto power management mode Bits 7- Reserved Parameter 2 - Reserved Parameter 3 - Reserved Parameter 4 - Reserved Parameter 5 - Reserved Output Field Return Code - Error status Auxiliary Return Code - Reserved Parameter 1 - Bits 15-8 System timer capability Bit 8 = - Timer cannot be specified in each power mode = 1 - Timer can be specified in each Power mode Bits 15-9 : Reserved Bits 7- : Reserved Parameter 2 - Bits 15-8 : Reserved Bits 7- System timer initial value (units: minutes) = h - Disable system timer Parameter 3 - Reserved Parameter 4 - Reserved Parameter 5 - Reserved SMAPI BIOS B-41