IBM 560 - Manual (Page 85)

Output Field
Return Code - Error Status
Auxiliary Return Code - Reserved
Parameter 1
- Display Device Function Capability
(Bit ) Display Function Type
= : Not Supported
= 1 : Supported
(Bit 15- 1) Reserved
Parameter 2 - (Bit 15- 8) Display current status
Bit - Built-in display (panel) status
= : Disable
= 1 : Enable
Bit 1 - CRT status
= : Disable
= 1 : Enable
Bit 2 - TV status
= : Disable
= 1 : Enable
Bit 6 - 3 : Reserved
Bit 7 - Dual Enable Flag
= : Disable
= 1 : Enable
(Bit 7- ) Display Fucntion Type
=
h : Model with no TV out
= 1h : Model with no simultaneous
display of TV and CRT
Parameter 3 - Reserved
Parameter 4 - Reserved
Parameter 5 - Reserved
ThinkPad 560/560E SMAPI BIOS A-21