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Chapter 4: Motherboard Connections
USB 3
The internal USB3 (USB 2.0) Type-A connector provides an internal access port with extensive
USB devices, as well as USB DOM.
USB3 (2.0)
Pin Definitions
Pin#
Definition
1
+5V
2
D-
3
D+
4
Ground
TPM Header/Port 80 Connector
The JTPM1 header is used to connect a Trusted Platform Module (TPM), which is available from
a third-party vendor. A TPM is a security device that supports encryption and authentication in
hard drives. It enables the motherboard to deny access if the TPM associated with the hard
drive is not installed in the system.
Please go to the following link for more information on TPM:
.
Trusted Platform Module Header
Pin Definitions
Pin#
Definition
Pin#
Definition
1
LCLK
2
GND
3
LFRAME#
4
Key
5
LRESET#
6
N/C
7
LAD3
8
LAD2
9
3.3V
10
LAD1
11
LAD0
12
GND
13
SMB_CLK (optional)
14
SMB_DAT (optional)
15
P3V3_STBY
16
SERIRQ
17
GND
18
LP_CLKRUN (optional)
19
LPC_PD (optional)
20
LPC_DRQ (optional)
PCI-E M.2 Connectors
The PCI-E M.2 connectors (M.2-HC1 to M.2-HC4) are for devices such as memory cards,
wireless adapters, etc. These devices must conform to the PCI-E M.2 specifications (formerly
known as NGFF). This particular PCI-E M.2 supports M-Key (PCI-E x4 or SATA) storage card.