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5-3
Rear I/O Ports
The I/O ports are located on the backplane of the motherboard. See Figure 5-2
below for the descriptions of the various I/O ports.
1
2
1
LAN2 (Bypass Pair 1)
2
LAN1 (Bypass Pair 1)
3
LAN4 (Bypass Pair 2)
4
LAN3 (Bypass Pair 2)
5
COM1 Port
Figure 5-1. Control Panel Header Pins
Ground
Key
FP Power LED
HDD LED
LAN5 (Link/Activity) LED
LAN6 (Link/Activity) LED
OH/Fan Fail LED
Power Fail
Ground
Ground
Figure 5-2. Rear I/O Ports
3
4
Rear I/O Ports
Chapter 5: Advanced Motherboard Setup
20
19
NMI
Key
3.3V SB
3.3V
3.3V SB
3.3V SB
3.3V
3.3V
Reset Button
Power Button
2
1
5
6
LAN6
7
LAN5
8
USB1 Port (USB 2.0)
9
USB0 Port (USB 2.0)
5-3
6
8
7
9
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