Manual for Advance 6A/Advance 6B
Jumper Settings
Jumpers are located on the mainboard, they represent, clear CMOS jumper JCC, enable
BIOS ProtectEasy function jumper JAV etc. Pin 1 for all jumpers are located on the side with
a thick white line ( Pin1
→
), refer to the mainboard’s silkscreen . Jumpers with
three pins will be shown as to represent pin1 & pin2 connected and
to
represent pin2 & pin3 connected.
FSB Frequency Selection(JFSB1, JFSB2)
The jumper labeled JFSB1 and JFSB2 are located on the mainboard providing users with
FSB frequency selection. If it is set as Auto with JFSB1 and JFSB2 closed, the system
detects the CPU front side bus automatically. If it is set as Jumper setting with JFSB1 and
JFSB2 opened, the CPU front side bus can be set manually.
Overclocking Jumper Setting (JCLK1, JCLK2)
Jumpers labeled JCLK1, JCLK2 are located on the mainboard providing users with CPU
overclocking feature. The host bus speed can be set as 66/100/133MHz. Refer to the chart
below for the location of these jumpers, and the table for information on how to set them.
chapter 2
FSB Selection
Auto
Jumper
JFSB1
JFSB2
Close
Close
Open
Open
JFSB2
JFSB1
JCLK1
Pin2&Pin3 closed
CPU FSB
66MHz
100MHz
133MHz
Pin1&Pin2 closed
JCLK2
Pin2&Pin3 closed
Pin2&Pin3 closed
Pin1&Pin2 closed
Pin1&Pin2 closed
JCLK2
1
1
JCLK1