Acer Veriton L4610G Acer Veriton L4610G Desktop Service Guide - Page 76

Connecting Optional Devices Refer to the following for information on connecting the motherboard's optional devices: JMIC1: Front MIC IN Pin Signal Name 1 GND 3 MIC2_R 5 GND Pin Signal Name 2 MIC2_L 4 MIC2_JD 6 N/C JPHOME1: Headphone OUT Pin Signal Name 1 GND 3 LINE2_R 5 GND Pin Signal Name 2 LINE2_L 4 LINE2_JD 6 N/C SPI_ROM1: SPI ROM header This 8 Mb ROM contains the programmable BIOS program. Pin Signal Name Function 1 CHIP SELECT Select chip 2 VCC VCC 3 DATA OUTPUT data output 4 HOLD hold 5 WRITE PROTECT BIOS write protect 6 CLOCK clock 7 CND CND 8 DATA INPUT data input 70