User's Manual
Chapter 5: Advanced Motherboard Setup
5-15
Universal Serial Bus (USB)
Four Universal Serial Bus ports
(USB1/2/3/4) are located on the I/O
backpanel. Additionally, one Type
A USB port (USB10) and fi ve USB
headers (USB5/6, 7/8, 9) are pro-
vided on the motherboard to provide
front chassis access (cables are not
included). See the tables on the right
for pin defi nitions.
Back Panel USB Ports,
Type A USB Port Pin Defi nitions
Pin# Defi nition Pin# Defi nition
1 +5V 5 +5V
2 USB_PN 6 USB_PN
3 USB_PP 7 USB_PP
4 Ground 8 Ground
Front Panel USB Header
Pin Defi nitions
Pin # Defi nition Pin # Defi nition
1 +5V 6 +5V
2 USB_PN 7 USB_PN
3 USB_PP 8 USB_PP
4 Ground 9 Ground
5 NA 10 Key
Trusted Platform Module Header
This header is used to connect a
Trusted Platform Module (TPM),
available separately from a third-party
vendor. A TPM is a security device
that allows for encryption and authen-
tication of hard drives, disallowing
access if the TPM associated with it
is not installed in the system. See the
table on the right for pin defi nitions.
Trusted Platform Module Header
Pin Defi nitions
Pin # Defi nition Pin # Defi nition
1 LCLK 2 GND
3 LFRAME 4 No Pin
5 LRESET 6 VCC5
7 LAD3 8 LAD2
9 VCC3 10 LAD1
11 LAD0 12 GND
13 RSV0 14 RSV1
15 SB3V 16 SERIRQ
17 GND 18 CLKRUN
19 LPCPD 20 RSV2