ECS B75H2-AM2 User Manual page 25

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.
Pin Signal Name
1
USBPWR
2
USBPWR
3
DATA12-
4
DATA13-
5
DATA12+
6
DATA13+
7
GND
8
GND
9
NC
10
USB DET
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.
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.
Pin Signal Name
1
LCLK
2
GND
3
LFRAME#
4
KEY
5
LRESET#
6
VCC5
7
LAD3
8
LAD2
9
VCC 3.3
10
LAD1
Function
Front Panel USB Power
Front Panel USB Power
USB Port 12 Negative Signal
USB Port 13 Negative Signal
USB Port 12 Positive Signal
USB Port 13 Positive Signal
Ground
Ground
Not connected
USB DET
Pin
11
12
13
14
15
16
17
18
19
20
Installing the Motherboard
Signal Name
LAD0
GND
RSV0
RSV1
3VSB
SERIRQ
GND
CLKRUN#
LPCPD#
RSV2
21