21
Installing the Motherboard
Please make sure that the USB cable has the same pin assignment as indi-
cated above. A different pin assignment may cause damage or system hang-
up.
F_USB1~2: Front Panel USB 2.0 header
The motherboard has two USB2.0 headers supporting four USB 2.0 ports. Addition-
ally, some computer cases have USB 2.0 ports at the front of the case. If you have
this kind of case, use auxiliary USB connector to connect the front-mounted ports to
the motherboard.
1 USBPWR Front Panel USB Power
2 USBPWR Front Panel USB Power
3 DATA12- USB Port 12 Negative Signal
4 DATA13- USB Port 13 Negative Signal
5 DATA12+ USB Port 12 Positive Signal
6 DATA13+ USB Port 13 Positive Signal
7 GND Ground
8 GND Ground
9 NC Not connected
10 USB DET USB DET
Pin Signal Name Function
TPM: Trusted Platform Module header
Trusted platform module (TPM) is a published specification detailing a microcontroller
that can store secured information, and implementations of that specification.
1 LCLK 11 LAD0
2 GND 12 GND
3 LFRAME# 13 RSV0
4 KEY 14 RSV1
5 LRESET# 15 3VSB
6 VCC5 16 SERIRQ
7 LAD3 17 GND
8 LAD2 18 CLKRUN#
9 VCC 3.3 19 LPCPD#
10 LAD1 20 RSV2
Pin Signal Name Pin Signal Name
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