Chapter 5 94
SPDIFO: SPDIF out header
This is an optional header that provides an SPDIFO (Sony/Philips Digital Interface)output to digital multimedia
device through optical fiber or coaxial connector.
COM2: Onboard serial port header
Connect a serial port extension bracket to this header to add a second serial port to your system.
TPM: TPM module header
Trusted Platform Module (TPM) is a published specification detailing amicrocontroller that can store secured
information, and implementations of that specification.
Pin Signal Name
1VCC
2 KEY
3 SPDIFOUT
4GND
Pin Signal Name Function
1 DCD Data Carrier Detect
2 SIN Serial Output
3 SOUT Serial Output
4 DTR Data Terminal Ready
5 GND Ground
6 DSR Data Set Ready
7 RTS Request to Send
8 CTS Clear to Send
9 RI Ring Indicator
10 Key No pin
Pin Signal Name Pin Signal Name
1 TPM_CLK 11 LAD0
2GND 12GND
3 KEY 13 RESERVE0
4 LFRAME# 14 RESERVE1
5 LREST# 15 VCC3_DUAL
6 VCC5 16 SERIRQ
7LAD3 17GND
8 LAD2 18 CLKRUN#
9 VCC3 19 LPCPD#
10 LAD1 20 RESERVE2
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