En-12
MS-7345 Mainboard
CD-In Connector
This connector is provided for external audio input.
Chassis Intrusion Connector
This connector connects to the chassis intrusion switch cable. If the chassis is opened,
the chassis intrusion mechanism will be activated. The system will record this status and
show a warning message on the screen. To clear the warning, you must enter the BIOS
utility and clear the record.
GND R
L
15
13
14
1
2
CINTRU
GND
Hardware Overclock FSB Jumpers: JB1, JB2 (optional)
You can overclock the FSB to increase the processor frequency by changing the jumpers
JB1 and JB2. Follow the instructions below to set the FSB.
Important
Make sure that you power off the system before changing the jumpers
1
266 MHz
1
3
200 MHz
1
3
JB1 JB2
333 MHz
1
3
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