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2-8 Jumper and Switch Settings
The following diagrams show the locations and settings of switch and
jumper blocks on the mainboard.
Overclock Select
SW1
Off
On
CPU clock
S1
(MHz)
100
off
(default)
off
103
107
on
110
off
on
133
PS/2 Mouse
(on top)
PS/2 K/B
(underside)
RJ 45
(on top)
USB0 (middle)
USB1 (underside)
Main Power
Connector
Peripheral Power
Connector
VIA VT6103
PHY (LAN Controller)
1
CD1
AC'97
Codec
Audio Codec
AUDIO1
14
1
WOL1
1
JBAT1:
Clear CMOS
1
1-2 closed
(default)
To hold data
1
2-3 closed
To clear CMOS
Off On On On
(Default)
S2
S4
S3
on
on
on
on
off
on
on
off
off
on
off
off
on
on
off
RT1
VIA
P4x266E
AGP 4X/2X
PCI 1
PCI 2
VIA
PCI 3
VT8235
1
JP1
PCI 4
1
JBAT1
RT2
PCI 5
1
FAN3
IT8705F
LPC I/O
PCI 6
SCR1
FLASH BIOS
10
14
10
JUSB1
JUSB2
1
1
1
Jp1:
CPU Clock Select
1
1-2 closed (default)
CPU Auto-detect
of
100 / 133MHz
1
Jumper open
100MHz selected
1
2-3 closed
133MHz selected
Chapter 2 Hardware Setup
Jp2
Flash ROM Write
Protection
1-2 closed
(default)
Enabled
1
2-3 closed
Disabled
1
SW1:
Overclock setting
to Boot System
100/103/107/111SW1
setting for 100MHz
CPU to boot system;
133MHz SW1 setting
for 133MHz CPU to
boot system;
100/103/107/111
to boot system
133MHz SW1
setting to boot
system
25
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