TYAN S2505T Installation and operating instructions

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.
JP4, JP5, JP6, JP7
RATIO
133x7.5 JP4 JP5 JP6 JP7Freq.
133x10.0
133x5.5
133x6.5
133x8.0
133x9.0
1.0BGHz
1.33GHz
733MHz
866MHz
1.06GHz
1.2GHz
933MHz
800EBMHz
1.13GHz
133x7.0
133x6.0
133x8.5
133x9.5
10x2.0
10x2.0
1.266GHz
20EMHz
20EMHz
ON OFF
ON ON
ON ON ONON
ON ON
ON ON
ON ON ON
ON
ON ON
ON
ON ONON ON
OFF OFF
OFF OFF
OFF
OFF OFF
OFF
OFF
OFF OFF
OFF OFF OFF
OFF OFF
ON
OFF
ON
OFF
OFF
OFF OFF OFF OFF
JP5 JP6 JP7 JP4
PIN1
ADDENDUM TO S2505T Manual Rev1.00