Chapter 5: Advanced Serverboard Setup
5-27
Overheat LED/Fan Fail (JOH1)
The JOH1 header is used to connect an
LED indicator to provide warnings of chas-
sis overheating or fan failure. This LED will
blink when a fan failure occurs. Refer to the
table on right for pin defi nitions.
Overheat LED
Pin Defi nitions
Pin# Defi nition
1
5vDC
2
OH Active
OH/Fan Fail LED
Pin Defi nitions
State Message
Solid
Overheat
Blinking
Fan Fail
Wake-On-LAN
Pin Defi nitions
Pin# Defi nition
1
+5V Standby
2
Ground
3
Wake-up
ATX PS/2 Keyboard and PS/2 Mouse
Ports
The ATX PS/2 keyboard and the PS/2 mouse
are located on the rear IO panel. The mouse
port is above the keyboard port. See the table
on the right for pin defi nitions.
PS/2 Keyboard and
Mouse Port Pin
Defi nitions (J14)
Pin# Defi nition
1
Data
2
NC
3
Ground
4
VCC
5
Clock
6
NC
Wake-On-LAN
The Wake-On-LAN header is located at JWOL
on the motherboard. You must also have a
LAN card with a Wake-On-LAN connector
and a cable to use this feature. See the table
on the right for pin defi nitions.
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