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S
S
UPER
ERVER 5086B-TRF User's Manual
Power Connectors
Two main power supply connectors
(JP21/JP22), four 8-pin GPU power
connectors (JPWR1/JPWR2/JPWR3/
JPWR4), and four HDD power con-
nectors (JP16~JP19) are located on
the X8OBN baseboard. These power
connectors meet the SSI EPS 12V
specification. JP21 and JP22 must
be connected to your power supply
to provide adequate power to your
system and components. Failure to
do so will void the manufacturer war-
ranty on your power supply and the
system. See the table on the right for
pin defi nitions.
DOM Power Connector
A power connector for SATA DOM
(Disk On Module) devices is located at
JWF1. Connect the appropriate cable
here to provide power support for a
DOM device.
Fan Headers
The X8OBN baseboard has six system
fan headers and four CPU card fan
headers. All these are 4-pin fans and
are backward compatible with tradi-
tional 3-pin fans. In addition, two 3-pin
IOH fan headers are located at Fan1
and Fan2. Fan speed control is avail-
able for 4-pin fans only.* See the tables
on the right for more information.
*Fan speed control is available via
Hardware Health Monitoring in the
Advanced Section of BIOS.
GPU Power Connector
Pin Defi nitions
Pins
1~3
4~8
(GPU PWR cables required for graphics cards)
HDD Power Connector
Pin Defi nitions
Pins
1~4
5/6
7/8
(HDD PWR cable required for HDDs)
Pin Defi nitions
Pin#
1
2
3
Fan Headers
Fan Type
# of Pins Q'ty
IOH Fans
3-pin
Fan
CPU_
4-pin
Board
Fan
Fans
System
4-pin
Fans
Fan
Fan Header
Pin Defi nitions
Pin#
Defi nition
1
Ground
2
+12V
3
Tachometer
4
PWR Modulation (4-pin fans only)
5-14
Defi nition
+12V
GND
Defi nition
GND
+12V
+5V
DOM PWR
Defi nition
+5V
Ground
Ground
Fan No.
2
Fan7 (IOH1)/
Fan8 (IOH2)
4
Fans 3~6
6
Fan1/Fan2, Fans
9~12
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