5
Integrated
Circuit
Systems, Inc.
ICS952906A
1236A—08/06/07
Table1: QuadRom Frequency Selection Table
Bit4 Bit3 Bit2 Bit1 Bit0 CPU AGP PCI Spread
FS4FS3FS2FS1FS0 MHz MHz MHz %
0 0 0 0 0 0 0 100.00 66.67 33.33 0 to -0.5% Down
0 0 0 0 0 0 1 200.00 66.67 33.33 0 to -0.5% Down
0 0 0 0 0 1 0 133.33 66.67 33.33 0 to -0.5% Down
0 0 0 0 0 1 1 166.67 66.67 33.33 0 to -0.5% Down
0 0 0 0 1 0 0 200.00 66.67 33.33 0 to -0.5% Down
0 0 0 0 1 0 1 400.00 66.67 33.33 0 to -0.5% Down
0 0 0 0 1 1 0 266.67 66.67 33.33 0 to -0.5% Down
0000111
333.33 66.67 33.33 0 to -0.5% Down
0 0 0 1 0 0 0 100.99 67.33 33.66 0.25% Center
0 0 0 1 0 0 1 201.98 67.33 33.66 0.25% Center
0 0 0 1 0 1 0 134.65 67.33 33.66 0.25% Center
0001011
168.31 67.32 33.66 0.25% Center
0 0 0 1 1 0 0 115.00 76.67 38.33 No Spread
0 0 0 1 1 0 1 230.00 76.67 38.33 No Spread
0 0 0 1 1 1 0 153.33 76.66 38.33 No Spread
0001111
191.67 76.67 38.33 No Spread
0 0 1 0 0 0 0 100.00 66.66 33.33 0.25% Center
0 0 1 0 0 0 1 200.00 66.66 33.33 0.25% Center
0 0 1 0 0 1 0 133.33 66.66 33.33 0.25% Center
0 0 1 0 0 1 1 166.67 71.43 35.71 0.25% Center
0 0 1 0 1 0 0 200.00 66.66 33.33 0.25% Center
0 0 1 0 1 0 1 400.00 66.66 33.33 0.25% Center
0 0 1 0 1 1 0 266.67 66.66 33.33 0.25% Center
0010111
333.33 66.66 33.33 0.25% Center
0 0 1 1 0 0 0 105.00 69.99 35.00 No Spread
0 0 1 1 0 0 1 210.00 69.99 35.00 No Spread
0 0 1 1 0 1 0 140.00 69.99 35.00 No Spread
0011011
175.00 69.99 35.00 No Spread
0 0 1 1 1 0 0 110.00 73.33 36.66 No Spread
0 0 1 1 1 0 1 220.00 73.33 36.66 No Spread
0 0 1 1 1 1 0 146.66 73.33 36.66 No Spread
0011111
183.34 73.33 36.66 No Spread
Bit6 Bit5