Acer Veriton M490G Acer Veriton M490, M490G, and M498G Service Guide - Page 72

INT_SPK: Internal speaker Pin 1 3 5 7 Signal Name Output_L Output_R GND N/A Pin 2 4 6 8 Signal Name GND Ground GND VCC OBR: Button recovery jumper Pin 1 2 OBR GND Signal Name PRINTER: Oboard parallel port header Pin 1 3 5 7 9 11 13 15 17 19 21 23 25 Signal Name STROBE PD1 PD3 PD4 PD7 BUSY SLCT ERROR SLCTIN Ground Ground Ground Ground Pin 2 4 6 8 10 12 14 16 18 20 22 24 26 Signal Name PD0 PD2 PD4 PD6 ACK PE ALF INTT Ground Ground Ground Ground NC TPM: TPM Module Header This header allows user to protect the PC from impermissible visit. Pin 1 3 5 7 Signal Name CK_P_33M_TPM FWH4 PCIRST_L1 PCIRST_L1 Pin 2 4 6 8 Signal Name GND NC SMBDATA FWH2 Chapter 5 64