19
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
Unlike F_USB2 in this mainboard, F_USB1 supports EZ Charger technology (op-
tional), provides 3 times current than general USB port in off mode for USB devices.
It is useful and excellent, especially for the iPhone, iPad and iPod touch devices that
need a large amount of current for faster recharging within less time.
TPM (Optional): TPM module header
Trusted Platform Module (TPM) is a published specification detailing a microcntroller
that can store secured information, and implementations of that specification.
1 TPM_CLK
2 GND
3 LFRAME#
4 KEY
5 LREST#
6 SMBDATA
7 LAD3
8 LAD2
9 VCC3
10 LAD1
Pin Signal Name Pin Signal Name
11 LAD0
12 GND
13 RESERVE0
14 RESERVE1
16 SERIRQ
17 GND
18 GND
19 LPCPD#
20 SMBCLK
15 VCC3_DUAL
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