User's Manual

Intel® 815 Chipset: Graphics Controller PRM, Rev 1.0
R
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Parameters for Screen Resolution/Refresh Rate: 1280x1024_75Hz =
Dot Clock Value 135 //135-MHz Dot Clock
M Value 0x002B
N Value 0x0006
P Value 0x20
CR00 0xCE
CR01 0x9F
CR02 0x9F
CR03 0x92
CR04 0xA1
CR05 0x13
CR06 0x28
CR07 0x10
CR09 0x40
CR10 0x00
CR11 0x03
CR12 0xFF
CR13 0xA0
CR15 0xFF
CR16 0x29
CR30 0x04
CR31 0x03
CR32 0x04
CR33 0x03
CR35 0x00
CR39 0x01
Watermark for 8 bpp at 100-MHz local memory speed 0x22109000
Watermark for 16 bpp at 100-MHz local memory speed 0x22314000
Watermark for 24 bpp at 100-MHz local memory speed 0x2251D000
Watermark for 8 bpp at 133-MHz local memory speed 0x22110000
Watermark for 16 bpp at 133-MHz local memory speed 0x22314000
Watermark for 24 bpp at 133-MHz local memory speed 0x22416000
MSR Mask 0x00