17
Installing the Motherboard
F_USB1~2: Front Panel USB headers
The motherboard has two USB 2.0 headers supporting four USB 2.0 ports. Addition-
ally, some computer cases have USB 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.
Please make sure that the USB cable has the same pin assignment as
indicated above. A different pin assignment may cause damage or system
hang-up.
1 USBPWR Front Panel USB Power
2 USBPWR Front Panel USB Power
3 USB_FP_P0- USB Port 0 Negative Signal
4 USB_FP_P1- USB Port 1 Negative Signal
5 USB_FP_P0+ USB Port 0 Positive Signal
6 USB_FP_P1+ USB Port 1 Positive Signal
7 GND Ground
8 GND Ground
9 Key No pin
10 NC Not connected
Pin Signal Name Function
TPM(Optional): Trusted Platform Module header
Trusted platform module (TPM) is a published specification detailing a
microcontrollerthat can store secured information, and implementations of that
specification.
1 TPM_CLK 11 LAD0
2 GND 12 GND
3 LFRAME# 13 RESERVE0
4 KEY 14 RESERVE1
5 LREST# 15 VCC3_DUAL
6 SMBDATA 16 SERIRQ
7 LAD3 17 GND
8 LAD2 18 GND
9 VCC3 19 LPCPD#
10 LAD1 20 SMBCLK
Pin Signal Name Pin Signal Name
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