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Chapter 4: Motherboard Connections
Trusted Platform Module Header
Pin Definitions
Pin#
Definition
Pin#
Definition
1
LCLK
2
GND
3
LFRAME#
4
<(KEY)>
5
LRESET#
6
+5V
7
LAD3
8
LAD2
9
+3.3V
10
LAD1
11
LAD0
12
GND
13
SMB_CLK
14
SMB_DAT
15
+3V Stdby
16
SERIRQ
17
GND
18
CLKRUN#
19
LPCPD#
20
LDRQ#
Disk-On-Module Power Connector
A power connector for SATA DOM (Disk_On_Module) devices is located at JSD1. Connect
appropriate cables here to provide power support for your Serial Link DOM devices.
DOM Power
Pin Definitions
Pin#
Definition
1
5V
2
Ground
3
Ground
TPM/Port 80 Header
A Trusted Platform Module (TPM)/Port 80 header is located at JTPM1 to provide TPM support
and a Port 80 connection. Use this header to enhance system performance and data security.
Refer to the table below for pin definitions.
SATA Ports
The A2SD1-3750F/3955F has two SATA 3.0 ports. I-SATA2 supports SuperDOM, Supermicro's
proprietary SATA DOM with a built-in power connection.