User's Manual

Imp r o v e d C o mp u t e r P e r f o r ma n c e

6 3

Since AF8 senses the CPU speed automatically, you don′t have to set

the jumpers. The AF8 supports PPGA CELERON CPU and FCPGA

PENTIUM Ⅲ C P U .

The AF8 mainboard supports the system bus clock from 66Mhz to 133Mhz

(the default is 100Mhz).

Set the jumpers according to the CPU clock(set in the closed mode).

O P E N

C l o s e d

Number 2 and 3 closed

M H z

Celeron CPU 66 MHz

P e n t i u mⅢ CPU ″E″ Type 100 MHz

P e n t i u mⅢ CPU ″E B″ Type 133 MHz

J P 1

2 - 3

1 - 2

J P 2

2 - 3

1 - 2

Improving the CPU perf o r m a n c e

Jum per Setting

Jum per Setting for CPU Speed

( Re m oved in the m ass pro d u c t i o n )