ICS9248-97 Datasheet, PDF (3/14 Pages) Integrated Circuit Systems – Frequency Timing Generator for PENTIUM II Systems

ICS9248-97
Functionality
FS4 FS3 FS2 FS1 FS0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
0
0
0
0
1
1
0
0
1
0
0
0
0
1
0
1
0
0
1
1
0
0
0
1
1
1
0
1
0
0
0
0
1
0
0
1
0
1
0
1
0
0
1
0
1
1
0
1
1
0
0
0
1
1
0
1
0
1
1
1
0
0
1
1
1
1
1
0
0
0
0
1
0
0
0
1
1
0
0
1
0
1
0
0
1
1
1
0
1
0
0
1
0
1
0
1
1
0
1
1
0
1
0
1
1
1
1
1
0
0
0
1
1
0
0
1
1
1
0
1
0
1
1
0
1
1
1
1
1
0
0
1
1
1
0
1
1
1
1
1
0
1
1
1
1
1
CPU
103.0
105.0
100.3
100.9
107.0
109.0
112.0
114.0
116.1
118.0
133.3
120.0
122.0
125.1
128.2
130.0
133
133.9
138
142
146
150
153
156
159.1
162
165
168
171
174
177
180
C PU /2
51.50
52.50
50.15
50.45
53.50
54.50
56.00
57.00
58.50
59.00
66.65
60.00
61.00
62.55
64.10
65.00
66.5
66.95
69
71
73
75
76.5
78
79.55
81
82.5
84
85.5
87
88.5
90
PCI
34.33
35.00
33.43
33.63
35.67
36.33
37.33
38.00
38.70
39.33
33.33
40.00
40.67
41.70
42.73
43.33
44.33
33.48
34.5
35.5
36.5
37.5
38.25
39
39.78
40.5
41.25
42
42.75
43.5
44.25
45
3V66
68.67
70.00
66.87
67.27
71.33
72.67
74.67
76.00
77.40
78.67
66.65
80.00
81.33
83.40
85.47
86.67
88.67
66.95
69
71
73
75
76.5
78
79.55
81
82.5
84
85.5
87
88.5
90
IOAPIC
17.17
17.50
16.72
16.82
17.83
18.17
18.67
19.00
19.35
19.67
16.66
20.00
20.33
20.85
21.37
21.67
22.17
16.74
17.25
17.75
18.25
18.75
19.13
19.5
19.89
20.25
20.63
21
21.38
21.75
22.13
22.5
3