Acer Veriton M4610G Acer Veriton M4610, M4610G, M4618G Desktop Service Guide - Page 102

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. Pin Signal Name 1 VCC 2 KEY 3 SPDIFOUT 4 GND COM2: Onboard serial port header Connect a serial port extension bracket to this header to add a second serial port to your system. 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 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 1 TPM_CLK 2 GND 3 KEY 4 LFRAME# 5 LREST# 6 VCC5 7 LAD3 8 LAD2 9 VCC3 10 LAD1 Pin Signal Name 11 LAD0 12 GND 13 RESERVE0 14 RESERVE1 15 VCC3_DUAL 16 SERIRQ 17 GND 18 CLKRUN# 19 LPCPD# 20 RESERVE2 Chapter 5 94