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Acer 4320, 4720, 4720G, 4720Z Audio, Storage subsystem, Input devices, Communication, I/O Ports

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TMPEG-2/DVD hardware-assisted capability (acceleration/full decode) (for selected models)

TWMV9 (VC-1) and H.264 (AVC) support (acceleration/full decode) (for selected models)

TS-video/TV-out (NTSC/PAL) support

TAcer ArcadeTM featuring Acer CinemaVisionTM and Acer ClearVision™ technologies

Audio

TDolby® certified surround sound system with two built-in stereo speakers

TDolby® Home Theater audio enhancement featuring Dolby® Digital, Dolby® Digital Live, Dolby®

PRO LOGIC II, Dolby® Digital Stereo Creator, Dolby® Headphone and Dolby® Virtual Speaker

technologies

TIntel® High Definition audio support

TS/PDIF (Sony/Philips Digital Interface) support for digital speakers

TMS Sound compatible

TBuilt-in microphone

Storage subsystem

TOne 80/120/160/240/250 GB or larger Serial ATA hard disk drives

TOptical drive options: DVD/CDRW Combo and DVD-Super Multi double-layer drive support

T5-in-1 card reader, supporting Secure Digital (SD), MultiMediaCard (MMC), Memory Stick® (MS),

Memory Stick PROTM (MS PRO), and xD-Picture CardTM (xD)

Input devices

T88-/89-/93-key keyboard, with inverted "T" cursor layout; 2.5 mm (minimum) key travel

TSeamless touchpad pointing device with 4-way scroll button

T12 function keys, four cursor keys, two Windows® keys, hotkey controls, embedded numeric

keypad, international language support, independent US and Euro dollar sign keys

TEmpowering Key

TEasy-launch buttons: WLAN, Internet, email, Bluetooth, Acer Arcade™

Communication

TAcer Video Conference, featuring:

t Integrated Acer Crystal Eye webcam, supporting Acer

t PrimaLite™ technology

t Optional Acer Xpress VoIP phone

TWLAN: Intel® PRO/Wireless 3945ABG network connection (dual-band tri-mode 802.11a/b/g) Wi-Fi

CERTIFIED® solution, supporting Acer SignalUp™ wireless technology (for selected models) or

Intel® PRO/Wireless 3945BG network connection (dual-mode 802.11b/g) Wi-Fi CERTIFIED®

solution, supporting Acer SignalUp™ wireless technology (for selected models)

TWPAN: Bluetooth® 2.0+EDR (Enhanced Data Rate)

TLAN: Gigabit Ethernet supporting ASF (Alert Standard Format) 2.0; Wake-on-LAN ready

TModem: 56K V.92 modem with PTT approval; Wake-on-Ring ready

I/O Ports

TExpress Card slot

T5-in-1 card reader (SD/MMC/MS/MS PRO/xD)

TFour USB 2.0 ports

TIEEE 1394 port

Contents

Main Page Copyright Disclaimer Conventions Preface Page System Specifications Chapter 1 Features Operating system Platform and memory Audio Storage subsystem Input devices Communication I/O Ports Environment 4Chapter 1 System Block Diagram NESTOS SYSTEM BLOCK DIAGRAM Merom CPU 479 Pin uFCPGA Chapter 1 5 Board Layout Top View 6Chapter 1 Bottom View Your Acer Notebook tour Front View Closed Front View 8Chapter 1 Left View Chapter 1 9 10 Chapter 1 Right View Rear view Page Easy-Launch Buttons Touchpad Basics 14 Chapter 1 Using the Keyboard Lock Keys and embedded numeric keypad The keyboard has three lock keys which you can toggle on and off. Chapter 1 15 Windows Keys The keyboard has one key that performs Windows-specific functions. 16 Chapter 1 Hot Keys Special Key The Euro symbol The US dollar sign Acer Empowering Technology Empowering Technology password Acer eNet Management Acer ePower Management Page Page Acer ePresentation Management Acer eDataSecurity Management Page Acer eLock Management Acer eRecovery Management Acer eSettings Management Getting to know your Acer Cystal Eye webcam Using the System Utilities Acer GridVista (dual-display compatible) Launch Manager Chapter 1 31 Hardware Specifications and Configurations Processor CPU Fan True Value Table BIOS Second Level Cache 32 Chapter 1 System Memory Memory Combinations Chapter 1 33 System VRAM and VBIOS Options LAN Interface Modem Interface 34 Chapter 1 Bluetooth Interface Wireless Module 802.11b/g, 802.11a/b/g, 802.11a/g/n Hard Disk Drive Interface Chapter 1 35 DVD-Dual Interface Audio Interface USB Port 36 Chapter 1 Express Card Slot System Board Major Chips Keyboard Chapter 1 37 LCD 14.1 inch LCD Inverter Battery 38 Chapter 1 AC Adapter System Power Management BIOS Setup Utility Chapter 2 System Utilities Navigating the BIOS Utility Information Main Chapter 2 43 Security Setting a Password Set Supervisor Password Enter New Password Confirm New Password [ ] [ ] Removing a Password Changing a Password Page Boot Phoenix TrustedCore(tm) Setup Utility Exit BIOS Flash Utility Chapter 3 Machine Disassembly and Replacement Page Chapter 3 53 Disassembly Procedure Flowchart 54 Chapter 3 Screw List Page Page Page Page Page Disassembling the Main Unit Disassembling the Upper Case Assembly Disassembling the Main Board Page Disassembling the LCD Module Disassembling the External Modules Page Troubleshooting Chapter 4 System Check Procedures External Diskette Drive Check External CD-ROM Drive Check Keyboard or Auxiliary Input Device Check Memory check Power System Check Check the Power Adapter Check the Battery Pack Touchpad Check Power-On Self-Test (POST) Error Message Chapter 4 73 Index of Error Messages Error Code List 74 Chapter 4 Chapter 4 75 76 Chapter 4 Phoenix BIOS Beep Codes Chapter 4 77 78 Chapter 4 Chapter 4 79 80 Chapter 4 Index of Symptom-to-FRU Error Message LCD-Related Symptoms Indicator-Related Symptoms Power-Related Symptoms Chapter 4 81 PCMCIA-Related Symptoms Memory-Related Symptoms Speaker-Related Symptoms Power Management-Related Symptoms 82 Chapter 4 Peripheral-Related Symptoms Keyboard/Touchpad-Related Symptoms Modem-Related Symptoms Power Management-Related Symptoms Page Undetermined Problems Jumper and Connector Locations Chapter 5 Chapter 5 85 Top V iew 86 Chapter 5 Bottom View FRU (Field Replaceable Unit) List Chapter 6 NOTE: Aspire 4720G/4720Z/4720/4320 Exploded Diagram