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LED
LAN Ports
Dedicated IPMI LAN
DP5
DP4
LEDS2
5-8
Connector Defi nitions
Power Connectors
A 24-pin main power supply connector(JPW1)
and two 8-pin CPU PWR connectors (JPW2/
JPW3) on the motherboard. These power
connectors meet the SSI EPS 12V specifi -
cation. In addition to the 24-pin ATX power
connector, the 12V 8-pin CPU PWR connec-
tors at JPW2/JPW3 must also be connected
to your power supply. See the table on the
right for pin defi nitions.
Warning: To prevent damage to the power
supply or motherboard, please use a power
supply that contains a 24-pin and two 8-pin
power connectors. Be sure to connect these
connectors to the 24-pin (JPW1) and the two
8-pin (JPW2,JPW3) power connectors on the
motherboard. Failure in doing so will void the
manufacturer warranty on your power supply
and motherboard.
PW_ON Connector
The PW_ON connector is on pins 1 and 2 of
JF1. This header should be connected to the
chassis power button. See the table on the
right for pin defi nitions.
Chapter 5: Advanced Serverboard Setup
Description
LEDs for the LAN Ethernet ports
LEDs for the dedicated IPMI LAN Ethernet port
LED for BMC Activity
Power LED
SAS2008 heartbeat LED
ATX Power 24-pin Connector
Pin# Defi nition
13
14
15
16
17
18
19
20
21
22
23
24
12V 8-pin PWR
Connector
Pin Defi nitions
Pins
1 through 4
5 through 8
5-19
Pin Defi nitions
Pin # Defi nition
+3.3V
1
+3.3V
-12V
2
+3.3V
COM
3
COM
PS_ON
4
+5V
COM
5
COM
COM
6
+5V
COM
7
COM
Res (NC)
8
PWR_OK
+5V
9
5VSB
+5V
10
+12V
+5V
11
+12V
COM
12
+3.3V
Defi nition
Ground
+12V
Required Connection
Power Button
Pin Defi nitions
(JF1)
Pin# Defi nition
1
PW_ON
2
Ground
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