Acer 4320, 4720G, 4720Z manual System Memory, Memory Combinations, 2GB, 0MB

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System Memory

Item	Specification

Memory controller	Built-in Intel® PM965
Memory size	0MB (no on-board memory)

DIMM socket number	2 sockets

Supports memory size per socket	2GB

Supports maximum memory size	4GB (by two 1024MB SO-DIMM module)

Supports DIMM type	DDR 2 Synchronous DRAM

Supports DIMM Speed	533/667 MHz

Supports DIMM voltage	1.8V

Supports DIMM package	JEDEC 200-pin soDIMM

Memory module combinations	You can install memory modules in any combinations as long as they
	match the above specifications.

Memory Combinations

Slot 1	Slot 2	Total Memory

0MB	128MB	128MB

0MB	256MB	256MB

0MB	512MB	512MB

0MB	1024MB	1024MB

0MB	2048MB	2048MB

128MB	128MB	256MB

128MB	256MB	384MB

128MB	512MB	640MB

128MB	1024MB	1152MB

128MB	2048MB	2176MB

256MB	128MB	384MB

256MB	256MB	512MB

256MB	512MB	768MB

256MB	1024MB	1280MB

256MB	2048MB	2304MB

512MB	128MB	640MB

512MB	256MB	768MB

512MB	512MB	1024MB

512MB	1024MB	1536MB

512MB	2048MB	2560MB

1024MB	0MB	1024MB

1024MB	128MB	1152MB

1024MB	256MB	1280MB

1024MB	512MB	1536MB

1024MB	1024MB	2048MB

1024MB	2048MB	3072MB

2048MB	2048MB	4096MB

NOTE: Above table lists some system memory configurations. You may combine DIMMs with various capacities to form other combinations. On above table, the configuration of slot 1 and slot 2 could be reversed.

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Chapter 1

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Contents Aspire 4720G/4720Z/4720/4320 Series Service Guide Date Chapter Updates Revision HistoryCopyright DisclaimerConventions Screen MessagesPreface Page Chapter System SpecificationsFeatures Input devices AudioStorage subsystem CommunicationEnvironment System Block Diagram Nestos System Block DiagramBoard Layout Top ViewBottom View PJ1Icon Description Your Acer Notebook tourFront View Closed Front View Left View Icon Description Ventilation slot Right ViewRear view After prolonged useIndicators Base viewHDD Easy-Launch ButtonsIcon Function Description Function Left Button Main Touchpad Way Scroll Right Button Launch key Default applicationTouchpad Basics Lock Keys and embedded numeric keypad Using the KeyboardDesired Access Num Lock On Num Lock Off Lock Key DescriptionWindows Keys Key Icon DescriptionHot Keys Technology onUS dollar sign Euro symbolSpecial Key Hot Key Icon Function DescriptionAcer Empowering Technology Empowering Technology passwordAcer eNet Management DC Mode Battery mode Acer ePower ManagementAC Mode Adapter mode To create new power planBattery status Acer eAudio Management Acer ePresentation Management Acer eDataSecurity ManagementChapter Acer eLock Management Acer eRecovery Management Acer eSettings Management Getting to know your Acer Cystal Eye webcam Changing the Acer Crytal Eye webcam resolutionUsing the Acer Crytal Eye webcam Launching the Acer Crytal Eye webcamUsing the System Utilities Acer GridVista dual-display compatibleLaunch Manager CPU Fan True Value Table Hardware Specifications and ConfigurationsProcessor Second Level Cache2GB System MemoryMemory Combinations 0MBModem Interface System Vram and Vbios OptionsLAN Interface Hard Disk Drive Interface Bluetooth InterfaceWireless Module 802.11b/g, 802.11a/b/g, 802.11a/g/n USB Port DVD-Dual InterfaceAudio Interface System Board Major Chips BatteryExpress Card Slot KeyboardLCD 14.1 inch LCD InverterSystem Power Management AC AdapterSystem Utilities Bios Setup Utility Main Security BootNavigating the Bios Utility Information Parameter DescriptionMain Shows extended memory sizeParameter Description Format/Option Set Supervisor Password SecurityParameter Description Option Setting a PasswordClear or Set Removing a Password Changing a PasswordSetup Warning Invalid Password Continue Boot IDE HDD Hitachi HTS541616J9SA00-SExit Exit Saving ChangesBios Flash Utility Machine Disassembly and Replacement General Information Before You BeginDisassembly Procedure Flowchart HDDScrew List Description Part NumberRemoving the Battery Pack Removing the HDD Module Removing the Memory Removing the Wireless LAN CardRemoving the ODD Module Removing the Keyboard and LCD Module Page Removing the Main Board Disassembling the Lower Case AssemblyDisassembling the Main Unit Removing the Audio Board Disassembling the Upper Case AssemblyRemoving the Bluetooth Module Removing the SpeakersRemoving the Touchpad Cable Removing the Power BoardDisassembling the Main Board Removing the Thermal Module and System FanRemoving the CPU Removing the Modem CardDisassembling the LCD Module Disassembling the ODD Module Disassembling the External ModulesDisassembling the HDD Module Chapter Troubleshooting Symptoms Verified Go ToExternal CD-ROM Drive Check System Check ProceduresExternal Diskette Drive Check Keyboard or Auxiliary Input Device CheckPower System Check Memory checkCheck the Power Adapter Check the Battery Pack Touchpad CheckPower-On Self-Test Post Error Message Error Message List Index of Error MessagesError Code List Error Codes Error MessagesCmos Dimm CPU IDCRT No beep Error Messages FRU/Action in SequenceLCD Phoenix Bios Beep Codes Code Beeps Post Routine DescriptionChapter Code Beeps Post Routine Description Code Beeps Indicator-Related Symptoms Index of Symptom-to-FRU Error MessageLCD-Related Symptoms Power-Related SymptomsSpeaker-Related Symptoms PCMCIA-Related SymptomsMemory-Related Symptoms Power Management-Related SymptomsModem-Related Symptoms Peripheral-Related SymptomsKeyboard/Touchpad-Related Symptoms Intermittent Problems Undetermined Problems DimmJumper and Connector Locations Top ViewBottom View FRU Field Replaceable Unit List Aspire 4720G/4720Z/4720/4320 Exploded Diagram Category Part Name and Description Acer Part NoPower Board 65W Wireless LAN Board 802.11BGIntel 3945BG Intel Wireless Wifi Link 4965ANG Power Board 90WUpper Case Assy W/SPEAKER CASE/COVER/BRACKET Assembly Middle CoverBluetooth Cable TP FFC TP Lower Case Assy W/RUBBER Base Door W/RUBBERGSA-T20N LF W/O Bezel DVD Super Multi Drive DVD-RW Drive DVD/RW Super Multi ModuleDVD Super Multi Tray in Hlds 7530A Vista Tray DVD Super Multi Tray in Philips33.AHS07.003 White US International Hebrew Keyboard 1415KB-FV2 88KS White SWISS/G Keyboard 1415KB-FV2 89KSWhite Portuguese Keyboard 1415KB-FV2 88KS White Korean Keyboard 1415KB-FV2 89KSCCD Module 0.3M Suyin LCD Bracket W/HINGE RCCD Module 0.3M Bison LCD Module Assy 14.1 in Wxga WAntenna LCD Bezel Assy W/O CCD Antenna W/O CCDLCD Cable W/O CCD Antenna W/O CCD LCD 14.1 IN. Wxga LPL LP141WX11GB HYMP512S64CP8-Y5 LF Memory 512MB DDR II 667 Hynix Mainboard Mainboard 960GML UMA W/CARDCard Readre Express Card W/O CPU Momery Memory SO-DIMM DDRII667 512MB