ICS950703 Datasheet, PDF (8/24 Pages) Integrated Circuit Systems – PROGRAMMABLE TIMING CONTROL HUB FOR P4

Integrated
Circuit
Systems, Inc.
QuadRom^TM Frequency Selection Table
Description
Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
Sel133/100 FS3 FS2 FS1 FS0
01
0
0000
01
0
000 1
01
0
0 0 10
01
0
0011
01
0
0 10 0
01
0
0 10 1
01
0
0 110
01
0
0 111
01
0
100 0
01
0
100 1
01
0
10 10
01
0
10 1 1
01
0
1 10 0
01
0
1 10 1
01
0
1 110
01
0
1111
01
1
0000
01
1
000 1
01
1
0 0 10
01
1
0011
01
1
0 10 0
01
1
0 10 1
01
1
0 110
01
1
0 111
01
1
100 0
01
1
100 1
01
1
10 10
01
1
10 1 1
01
1
1 10 0
01
1
1 10 1
01
1
1 110
01
1
1111
VCO CPUCLK
MHZ MHz
456.00
460.00
464.00
468.00
472.00
476.00
480.00
484.00
488.00
492.00
500.00
508.00
516.00
524.00
532.00
540.00
456.00
459.00
462.00
465.00
468.00
471.00
474.00
477.00
480.00
483.00
486.00
489.00
492.00
495.00
498.00
501.00
114.00
115.00
116.00
117.00
118.00
119.00
120.00
121.00
122.00
123.00
125.00
127.00
129.00
131.00
133.00
135.00
152.00
153.00
154.00
155.00
156.00
157.00
158.00
159.00
160.00
161.00
162.00
163.00
164.00
165.00
166.00
167.00
3V66
MHz
76.00
76.67
77.33
78.00
78.67
79.33
80.00
80.67
81.33
82.00
83.33
84.67
86.00
87.33
88.67
90.00
76.00
76.50
77.00
77.50
78.00
78.50
79.00
79.50
80.00
80.50
81.00
81.50
82.00
82.50
83.00
83.50
PCICLK
MHz
38.00
38.33
38.67
39.00
39.33
39.67
40.00
40.33
40.67
41.00
41.67
42.33
43.00
43.67
44.33
45.00
38.00
38.25
38.50
38.75
39.00
39.25
39.50
39.75
40.00
40.25
40.50
40.75
41.00
41.25
41.50
41.75
Notes:
Continuation of Table1 from previous page.
0690D—05/14/04
8
ICS950703