Instruction manual

38 PCM-6890 User Manual
SW1 (4~6) CPU frequency ratio
CPU core frequency = CPU frequency ratio (2~5.5) * External bus
clock (66 or 100 MHz)
UPC
YCNEUQERF
OITAR
)4(1WS)5(1WS)6(1WS
X2NOFFOFFO
X5.2NOFFONO
X3NONOFFO
X5.3NONONO
X4FFOFFOFFO
X5.4FFOFFONO
X5FFONOFFO
X5.5FFONONO
*
*
default
Note:
Most Celeron CPUs' frequency ratio are pre-locked
within the CPUs. These CPUs run at fixed speed
(frequency) regardless of the configurations listed above.
If the CPU you are using requires higher ratio then 5.5X, it
is most likely pre-locked.