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2.2.9 System Clock (CPU Bus Clock)
When “CPU SPEED” set to “manual”, which allows user to set
“CPU Ratio” and “CPU Frequency” manually. The available
options for “CPU Frequency” are “66MHz”, “68MHz”, “75MHz”
and “83MHz”.
.
NOTE:
Over clock (68MHz, 75MHz) may cause system intermittent lock
up or fail to boot-up (no video). If this happens there are two meth-
ods you can reset your CMOS setting and get your system back
again.
Method 1:
Press and hold the <INS> key before power on the computer. Once
BIOS detect the <INS> key is pressed, it will clear CMOS RAM
and reset CMOS setting to the default values.
Method 2:
Set jumper to clear CMOS RAM
1. Power off the system
2. Place a shunt to short pin2 and pin3 of JP9 for 5 seconds
3. Put the shunt back to pin1 and pin2 of JP9
4. Power on the system
Available Options
for
CPU Frequency
66MHz (default)
68MHz
75MHz
P6F94 User’s Manual 35
Chapter 2:Hardware Installation