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H8DGU-LN4F+ Serverboard User's Manual
UIO Power Connector
A Universal I/O (UIO) Power connector
(UIOP) is located next to the UID switch.
Connect this connector to the power supply
to provide adequate power to the UIO device
installed on the slot for this device to function
properly.
Fan Headers
This motherboard has eight fan headers
(Fan1 to Fan8). These 4-pin fans headers
are backward compatible with 3-pin fans.
However, fan speed control is available
for 4-pin fans only. The fan speeds are
controlled by the BIOS. See the table on the
right for pin defi nitions
UIO Power Connector
Pin Defi nitions (UIOP)
Pin#
Defi nition
B1
5V_1
B2
5V_2
B3
5V_3
B4
5V_4
B5
5V_5
B6
5V_6
B7
5V_7
B8
5V_8
B9
5V_9
B10
5V_10
B11
N12V
B12
3V3_STBY
B13
3V3_STBY
B14
GND
B15
GND
B16
GND_1
B17
GND_2
B18
GND_3
Pin#
1
2
3
4
2-16
Pin#
Defi nition
A1
3V3_1
A2
3V3_2
A3
3V3_3
A4
3V3_4
A5
3V3_5
A6
3V3_6
A7
3V3_7
A8
3V3_8
A9
3V3_9
A10
3V3_10
A11
3V3
A12
3V3
A13
P12V_2
A14
P12V
A15
P12V
A16
P12V
A17
P12V
A18
GND_7
Fan Header
Pin Defi nitions
Defi nition
Ground
+12V
Tachometer
PWR Modulation
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