Compsee Apex III, Technical Reference Manual

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Apex PDT Technical Reference Manual 3 Hardware Configuration
COAM30002 Rev. 2.00 8/13/02
3-14
Apex Specific ROM BIOS Extensions
Extension Summary
BIOS Interrupt 10h - Video
Function No. Service No. Description
ah = 11h al = 02h Set 8 high font
al = 04h Set 15 high font
BIOS Interrupt 15h - System
Function No. Service No. Description
ah = 55h al = 00h Get beeper volume
al = 01h Set beeper volume
al = 02h Volume next
al = 03h Get infrared port state
al = 04h Enable infrared port
al = 05h Get backlight state
al = 06h Set backlight
al = 07h Get video polarity
al = 08h Set video polarity
al = 09h Get screen contrast
al = 0Ah Set screen contrast
al = 0Bh Contrast darker
al = 0Ch Contrast lighter
al = 0Dh Get default keyclick
al = 0Eh Set default keyclick
al = 0Fh Get default typematic delay and
repeat rate
al = 10h Set default typematic delay and
repeat rate
al = 00h Get gauge
al = 00h BIOS version
BIOS Interrupt 16h - Keyboard
Function No. Service No. Description
ah = 03h al = 05h Set typematic rate and delay
ah = 04h Set keyclick