IBM 560 - Manual (Page 81)

Get Video Information
Input Field
Major Function Number - h
Minor Function Number - 8h
Parameter 1
- 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
- Video BIOS revision
Parameter 2 - Reserved
Parameter 3 - Reserved
Parameter 4 - Reserved
Parameter 5 - Reserved
ThinkPad 560/560E SMAPI BIOS A-17