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ADDENDUM TO S2505T Manual Rev1.00
2.6-F. CPU Frequency Ratio Jumpers (JP4, JP5, JP6, JP7) (p.13)
For non-retail/engineering sample CPUs, the frequency ratio can be adjusted. NOTE: Tyan takes no
responsibility and will not be held liable for damage from incorrect setting of these jumpers from
the CPU manufacturer's specifications.
PIN1
JP4, JP5, JP6, JP7
Freq.
RATIO
1.0BGHz
133x7.5
1.33GHz
133x10.0
733MHz
133x5.5
866MHz
133x6.5
1.06GHz
133x8.0
1.2GHz
133x9.0
933MHz
133x7.0
800EBMHz
133x6.0
1.13GHz
133x8.5
1.266GHz
133x9.5
20EMHz
10x2.0
20EMHz
10x2.0
JP4
JP5
JP6
ON
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
ON
ON
OFF
OFF
ON
ON
ON
OFF
OFF
ON
OFF
ON
ON
ON
ON
ON
OFF
ON
ON
ON
OFF
ON
ON
ON
OFF
OFF
OFF
JP7
OFF
OFF
ON
OFF
OFF
ON
OFF
OFF
ON
ON
ON
OFF
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