User's Manual

Intel® 815 Chipset: Graphics Controller PRM, Rev 1.0

365

Parameters for Screen Resolution/Refresh Rate: 320x240_70Hz =

Dot Clock Value 31 //31-MHz Dot Clock

M Value 0x0013

N Value 0x0002

P Value 0x50

CR00 0x31

CR01 0x27

CR02 0x28

CR03 0x92

CR04 0x2C

CR05 0x90

CR06 0x05

CR07 0x3E

CR09 0xC0

CR10 0xE9

CR11 0x0C

CR12 0xDF

CR13 0x28

CR15 0xE9

CR16 0xFC

CR30 0x02

CR31 0x01

CR32 0x01

CR33 0x01

CR35 0x00

CR39 0x00

Watermark for 8 bpp at 100-MHz local memory speed 0x0070C000

Watermark for 16 bpp at 100-MHz local memory speed 0x0020C000

Watermark for 24 bpp at 100-MHz local memory speed 0x0040A000

Watermark for 8 bpp at 133-MHz local memory speed 0x00008000

Watermark for 16 bpp at 133-MHz local memory speed 0x00008000

Watermark for 24 bpp at 133-MHz local memory speed 0x00008000

MSR Mask 0xC0