ASROCK 1U12LX Series User Manual page 39

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SMB Connector
(5-pin SMB_1)
(5-pin SMB_2)
(5-pin SMB_3)
(see p.29, No. 4)
Debug Header
(5-pin J1)
(see p.29, No. 3)
USB 2.0 Header
(9-pin USB_HEADER)
(see p.30, No. 1)
Front and Auxiliary Panel
Header
(17-pin FRONT + AUX
PANEL)
(see p.30, No. 2)
ATX Power Connector
(24-pin ATXPWR1)
(see p.31, No. 4 )
ATX 12V Power
Connector
(8-pin ATX12V1)
(see p.31, No. 3)
34
1
SDA
GND
SCL
+3V_SEL
GND
1
3.3V
GND
XERS#
TCK/CLK
RMS/DATA
USB_PWR
-B
+B
GND
DUMMY
1
GND
+A
-A
USB_PWR
1
1
24
5
1
8
4
he SMB (SubMiniature
version B) connector provides
a communication interface
between the backplane and the
motherboard.
his header is for debug
purposes.
he header supports two USB 2.0
ports on the front panel.
his header supports multiple
functions on the front panel.
12
he PDB provides a 24-pin ATX
power connector. To use a 20-pin
13
ATX power supply, please plug it
along Pin 1 and Pin 13.
he PDB provides a 8-pin ATX
12V power connector.

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