ICS952906A Datasheet, PDF (5/23 Pages) Integrated Circuit Systems – Programmable Timing Control Hub for Next Gen P4™ processor

Integrated
Circuit
Systems, Inc.
Table1: QuadRom Frequency Selection Table
Bit4 Bit3 Bit2 Bit1 Bit0 CPU
Bit6 Bit5
FS4 FS3 FS2 FS1 FS0 MHz
AGP
MHz
PCI
MHz
0 0 0 0 0 0 0 100.00 66.67 33.33
0 0 0 0 0 0 1 200.00 66.67 33.33
0 0 0 0 0 1 0 133.33 66.67 33.33
0 0 0 0 0 1 1 166.67 66.67 33.33
0 0 0 0 1 0 0 200.00 66.67 33.33
0 0 0 0 1 0 1 400.00 66.67 33.33
0 0 0 0 1 1 0 266.67 66.67 33.33
0 0 0 0 1 1 1 _{333.33 66.67 33.33}
0 0 0 1 0 0 0 100.99 67.33 33.66
0 0 0 1 0 0 1 201.98 67.33 33.66
0 0 0 1 0 1 0 134.65 67.33 33.66
0 0 0 1 0 1 1 _{168.31 67.32 33.66}
0 0 0 1 1 0 0 115.00 76.67 38.33
0 0 0 1 1 0 1 230.00 76.67 38.33
0 0 0 1 1 1 0 153.33 76.66 38.33
0 0 0 1 1 1 1 _{191.67 76.67 38.33}
0 0 1 0 0 0 0 100.00 66.66 33.33
0 0 1 0 0 0 1 200.00 66.66 33.33
0 0 1 0 0 1 0 133.33 66.66 33.33
0 0 1 0 0 1 1 166.67 71.43 35.71
0 0 1 0 1 0 0 200.00 66.66 33.33
0 0 1 0 1 0 1 400.00 66.66 33.33
0 0 1 0 1 1 0 266.67 66.66 33.33
0 0 1 0 1 1 1 _{333.33 66.66 33.33}
0 0 1 1 0 0 0 105.00 69.99 35.00
0 0 1 1 0 0 1 210.00 69.99 35.00
0 0 1 1 0 1 0 140.00 69.99 35.00
0 0 1 1 0 1 1 _{175.00 69.99 35.00}
0 0 1 1 1 0 0 110.00 73.33 36.66
0 0 1 1 1 0 1 220.00 73.33 36.66
0 0 1 1 1 1 0 146.66 73.33 36.66
0 0 1 1 1 1 1 _{183.34 73.33 36.66}
Spread
%
0 to -0.5% Down
0 to -0.5% Down
0 to -0.5% Down
0 to -0.5% Down
0 to -0.5% Down
0 to -0.5% Down
0 to -0.5% Down
0 to -0.5% Down
0.25% Center
0.25% Center
0.25% Center
0.25% Center
No Spread
No Spread
No Spread
No Spread
0.25% Center
0.25% Center
0.25% Center
0.25% Center
0.25% Center
0.25% Center
0.25% Center
0.25% Center
No Spread
No Spread
No Spread
No Spread
No Spread
No Spread
No Spread
No Spread
ICS952906A
1236A—08/06/07
5