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2.3.3. The CPU Speed & Jumper setting.
(a) Intel Pentium CPU.
CPU Speed
Frequency Ratio
System Clock
/
JP3
JP4
MHz
JP7
JP8
JP9
90MHz
3/2
Open
Open
60
Open
Open
Close
100MHz
Open
Open
66
Open
Open
Open
120MHz
2/1
Open
Close
60
Open
Open
Close
133MHz
Open
Close
66
Open
Open
Open
150MHz
5/2
Close
Close
60
Open
Open
Close
166MHz
Close
Close
66
Open
Open
Open
180MHz
3/1
Close
Open
60
Open
Open
Close
200MHZ
Close
Open
66
Open
Open
Open
233MHz
7/2
Open
Open
66
Open
Open
Open
(b) Cyrix 6x86 & 6x86L and IBM 6x86 & 6x86L CPU.
CPU Speed
Frequency Ratio
System Clock
/
JP3
JP4
MHz
JP7
JP8
JP9
PR133+
Open
Close
55
Open
Close
Close
PR150+
2/1
Open
Close
60
Open
Open
Close
PR166+
Open
Close
66
Open
Open
Open
PR200+
Open
Close
75
Close
Close
Open
(c) Cyrix 6x86MX(M2) and IBM 6x86MX(M2) CPU.
CPU Speed
Frequency Ratio
System Clock
/
JP3
JP4
MHz
JP7
JP8
JP9
PR166
Close
Close
60
Open
Open
Close
PR200
5/2
Close
Close
66
Open
Open
Open
PR200
2/1
Open
Close
75
Close
Close
Open
PR233
3/1
Close
Open
66
Open
Open
Open
PR233
5/2
Close
Close
75
Close
Close
Open
PR266
7/2
Open
Open
66
Open
Open
Open
PR266
3/1
Close
Open
75
Close
Close
Open
※
We recommend the end user to choose the version 2.7 or later of Cyrix/
IBM 6x86 processor.
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Summary of Contents for R558
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