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COM1 Header: JCOM1-HEADER1
10
2
Pin
Assignment
1
RIN1
3
DOUT2
5
Ground
7
DOUT1
9
-XRI1
System Operation Mode: JCLK3
JCLK3
1
Pin 1-2 Open
1
Pin 1-2 Close
Note: When overclock function failed and system is unable to boot-up, please
follow the instruction below:
1.
Turn off the system.
2.
Closed the JCLK3 jumper.
3.
Turn on the system.
4.
Enter CMOS setup menu and load defaults settings.
5.
Turn off the system.
6.
Open the JCLK3 jumper.
7.
Turn on the system.
9
1
JCOM1-HEADER1
Pin
2
4
6
8
10
Assignment
User Mode (default)
(133/ 166 MHz)
Safe mode
(100 MHz)
12
Assignment
RIN3
DOUT3
RIN2
RIN4
NA
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