Lenovo ThinkPad 560E TP 560Z Technical Reference Manual - Page 85
Set Display Device State, ThinkPad 560Z SMAPI BIOS, Bit 1²: TV status
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Set Display Device State Input Field Major function number - X'1 ' Minor function number - X' 1' Parameter 1 - (Bits 15-8): Request display status Bit 8: Built-in display (panel) status = : Disable = 1: Enable Bit 9: CRT status = : Disable = 1: Enable Bit 1 : TV status = : Disable = 1: Enable Bits 13-11: Reserved Bit 14: Monitor detection ignore = : Do not ignore (should be) = 1: Ignore Bit 15: Dual enable flag = : Disable = 1: Enable (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 - Reserved Parameter 2 - Reserved Parameter 3 - Reserved Parameter 4 - Reserved Parameter 5 - Reserved ThinkPad 560Z SMAPI BIOS A-23