Tyan Computer B2094T15 Manuel D’Utilisation

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4.2  Jumper Settings 

Jumpers provide a way to reconfigure the circuitry on the system board for specific needs. When 
you change the CPU or want to reset the BIOS configuration, you need to change the jumper 
settings. 

See the next figure for jumper locations and the table that follow for jumper definitions. 

CAUTION: Jumpers not described in this section are reserv ed for factory use only. Do not 
change the default settings. 

 

 

1-2 

Normal (default) 

CCMOS1 

CMOS setting 

2-3 

Clear CMOS 
To clear the RTC and CMOS RAM, set CCMOS1 to 
2-3 for one second and set it back to 1-2 again.  

1-2 

Auto-detect (default) 

2-3 

100 MHz 

JP1 

CPU bus 
frequency 
setting 

None 

133 MHz