SBC8153 Pentium All-in-One CPU Card Family User’s Manual
Jumpers and Connectors
13
For IDT C6/Winchip2 CPU
For IDT C6/Winchip2 CPU
For IDT C6/Winchip2 CPU
For IDT C6/Winchip2 CPU
CPU
FREQ.
Bus Clock
Multiplier
JP6
SW3 (1-4)
Switch
Setting
C6-180MHz
60MHz
3x
OPEN
1 2 3 4
on on off on
C6/W2-3D
200MHz
66MHz
3x
OPEN
1 2 3 4
off off off on
C6/W2-3D
240MHz
60MHz
4x
SHORT
1 2 3 4
on on on off
2.1.3 Clear CMOS Content: JP5
JP5
Setting
Function
1 2 3
Pin 2-3
SHORT
Clear CMOS
Content
1 2 3
Pin 1-2
SHORT
Normal
Operation
2.1.4 External Battery Connector: J18
This 4-pin connector allows the user to connect an external battery to
maintain the information stored in the CMOS RAM in case the built-in
battery malfunctions. The default is set to Internal Battery with a
jumper connecting pin 1 and pin 2.
J18 Pin #
Signal Name
1
Ground
2
Battery GND
3
N.C.
4
Vcc
1
Internal Battery
1
External Battery
Summary of Contents for SBC8153
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