User's Manual
IntelĀ® 815 Chipset: Graphics Controller PRM, Rev 1.0
R
385
Parameters for Screen Resolution/Refresh Rate: 800x600_56Hz =
Dot Clock Value 36 //36-MHz Dot Clock
M Value 0x0010
N Value 0x0001
P Value 0x40
CR00 0x7B
CR01 0x63
CR02 0x63
CR03 0x9F
CR04 0x66
CR05 0x8F
CR06 0x6F
CR07 0x10
CR09 0x40
CR10 0x58
CR11 0x0A
CR12 0x57
CR13 0xC8
CR15 0x57
CR16 0x70
CR30 0x02
CR31 0x02
CR32 0x02
CR33 0x02
CR35 0x00
CR39 0x01
Watermark for 8 bpp at 100-MHz local memory speed 0x22003000
Watermark for 16 bpp at 100-MHz local memory speed 0x22005000
Watermark for 24 bpp at 100-MHz local memory speed 0x22107000
Watermark for 8 bpp at 133-MHz local memory speed 0x00
Watermark for 16 bpp at 133-MHz local memory speed 0x00
Watermark for 24 bpp at 133-MHz local memory speed 0x00
MSR Mask 0x00










