Lenovo ThinkPad 770X Technical Reference Manual for the ThinkPad 770 - Page 98
System Configuration Service, Get Display Device State
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System Configuration Service Get Display Device State Input Field Major Function Number - 1 Minor Function Number - Parameter 1 - Request type = h : Current hardware = 1h : CMOS (effective after reboot) Parameter 2 - Reserved Parameter 3 - Reserved Parameter 4 - Reserved Parameter 5 - Reserved B-22 SMAPI BIOS
System Configuration Service
Get Display Device State
Input Field
Major Function Number - 1²
Minor Function Number - ²²
Parameter 1
- Request type
= ²²²²h : Current hardware
= ²²²1h : CMOS
(effective after reboot)
Parameter 2
- Reserved
Parameter 3
- Reserved
Parameter 4
- Reserved
Parameter 5
- Reserved
B-22
SMAPI BIOS