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J20/J21: USB Pin Header
Use this header to connect to the USB devices via the provided
USB cable.
J23: PCI-X Mode Selection Header
PCI Mode = Short 2-3
PCI-X 66Mhz = Short 3-4
PCI-X 100 / 133Mhz = 1-2 (Default)
Pin_1
J29: BBU Fan Connector
Signal
SYS1_TACH
SYS2_TACH
SYS3_TACH
SYS4_TACH
SYS5_TACH
GND
SYS2_PWM
SYS11_TACH
SYS12_TACH
Signal
+5VPWR
USB0-
USB0+
GND
KEY PIN
Pin
1
2
Signal
N/C
GND
Pin
1
3
5
7
9
11
13
15
17
11
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Pin
Pin
Signal
1
2
+5VPWR
3
4
USB1-
5
6
USB1+
7
8
GND
9
10
GND
3
PCI_PCIXCAP
Pin
Signal
2
SYS6_TACH
4
SYS7_TACH
6
SYS8_TACH
8
SYS9_TACH
10
SYS10_TACH
12
KEY PIN
14
CPUX_PWM
16
SYS13_TACH
18
SYS14_TACH
4
10k TO
GROUND
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