)
Values for type of DAC:
 00h normal VGA DAC
 01h Sierra SC1148x HiColor DAC
 ---Diamond SpeedStar 24---
 02h new Sierra SS24 DAC (24-bit)
 ---generic Tseng BIOS v8+ ---
 02h Sierra Mark2 (15-bit) or Mark3 (15/16-bit) DAC
 03h ATT20c490/1/2 (15/16/24-bit)
 04h AcuMos ADAC1 (15/16/24-bit)
 05h unknown 15/16/24-bit DAC
 06h Cirrus Internal 15/16/24-bit (CL-GD54xx series adapters)
 07h Diamond SS2410 (15/24-bit)
 08h unknown 15/16/24-bit DAC
 09h unknown 15/16/24-bit DAC
 else other HiColor DAC