User's Manual

Intel® 815 Chipset: Graphics Controller PRM, Rev 1.0
R
263
Bit Description
22:20 Post Divisor Select clock 2.
000 = Divide by 1
001 = Divide by 2
010 = Divide by 4
011 = Divide by 8
100 = Divide by 16 (default)
101 = Divide by 32
11x = Reserved
19 Reserved.
18 VCO Loop Divide clock 2.
0 = Divided by 4*M (default)
1 = Divided by 16*M
17:15 Reserved.
14:12 Post Divisor Select clock 1.
000 = Divide by 1
001 = Divide by 2
010 = Divide by 4
011 = Divide by 8
100 = Divide by 16 (default)
101 = Divide by 32
11x = Reserved
11 Reserved.
10 VCO Loop Divide clock 1.
0 = Divided by 4*M (default)
1 = Divided by 16*M
9:7 Reserved.
6:4 Post Divisor Select clock 0.
000 = Divide by 1
001 = Divide by 2
010 = Divide by 4
011 = Divide by 8
100 = Divide by 16 (default)
101 = Divide by 32
11x = Reserved
3 Reserved.
2 VCO Loop Divide clock 0.
0 = Divided by 4 (default)
1 = Divided by 16
1:0 Reserved.