Intel® 815 Chipset: Graphics Controller PRM, Rev 1.0

R

Parameters for Screen Resolution/Refresh Rate:

 

640x480_75Hz =

 

 

 

Dot Clock Value

31

//31.5-MHz Dot Clock

 

 

 

M Value

0x0013

 

 

 

 

N Value

0x0002

 

 

 

 

P Value

0x40

 

 

 

 

CR00

0x64

 

 

 

 

CR01

0x4F

 

 

 

 

CR02

0x4F

 

 

 

 

CR03

0x88

 

 

 

 

CR04

0x51

 

 

 

 

CR05

0x99

 

 

 

 

CR06

0xF2

 

 

 

 

CR07

0x10

 

 

 

 

CR09

0x40

 

 

 

 

CR10

0xE0

 

 

 

 

CR11

0x03

 

 

 

 

CR12

0xDF

 

 

 

 

CR13

0x50

 

 

 

 

CR15

0xDF

 

 

 

 

CR16

0xF3

 

 

 

 

CR30

0x01

 

 

 

 

CR31

0x01

 

 

 

 

CR32

0x01

 

 

 

 

CR33

0x01

 

 

 

 

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

0x22007000

 

 

Watermark for 8 bpp at 133-MHz local memory speed

0x22008000

 

 

Watermark for 16 bpp at 133-MHz local memory speed

0x22008000

 

 

Watermark for 24 bpp at 133-MHz local memory speed

0x22108000

 

 

 

MSR Mask

0xC0

 

 

 

 

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Image 376
Intel 815 manual Parameters for Screen Resolution/Refresh Rate 640x48075Hz =