Acer TravelMate 4220 TravelMate 4520/4220, Extensa 4420/4120 Service Guide - Page 137

A AC adapter part number 89, 96, 98, 105 Acer Bio-Protection fingerprint reader location 5 Acer disc-to-disc recovery 17 Acer OrbiCam camera location 5 Acer QuicCharge 3 audio features 2 headphone jack 6 internal microphone 5 microphone-in jack 6 speaker grill 6 specifications 119 B Basic Input/Output, see BIOS 13 battery pack charging indicator 10 location 9 lock 9 part number 96, 105 release latch 9 removing 31 troubleshooting 68 BIOS BIOS flash 24 BIOS recovery 24 check version 16 configuration utility 13 flash utility 24 package 124 password control 124 Phoenix TrustedCore Setup Util- ity 13 ROM size 124 ROM type 124 specifications 124 vendor 124 Version 124 BIOS Supports protocol 124 Bluetooth board, removing 53 compatibility test 114 function switch 6 interface 2 status indicator 10 Bluetooth board cable connector 84 cable, part number 90, 99 part number 89, 98 boot -up options drive sequence 22 boot-up options multi-boot menu 17 power-on password 18 Quiet Boot 17 remote boot 17 C card reader board, part number 89, 98 board, removing 52 cable connector 84 compatibility test 115 location 7 supported formats 1 CCD board part number 89, 98 removing 63 click buttons 5 compatibility tests games 116 hardware 113, 115 software 116 connectivity network 2 VVoIP solution 2 cooling fan cable connector 85 cable, disconnecting 38 part number 91, 100 removing 38 D Index Index 127