Acer 7520 manual Chapter

Page 122

 

Code

Beeps

POST Routine Description

 

 

 

 

 

 

 

82h

 

Detect and install external RS232 ports

 

 

 

 

 

 

 

83h

 

Configure non-MCD IDE controllers

 

 

 

 

 

 

 

84h

 

Detect and install external parallel ports

 

 

 

 

 

 

 

85h

 

Initialize PC-compatible PnP ISA devices

 

 

 

 

 

 

 

86h

 

Re-initialize onboard I/O ports

 

 

 

 

 

 

 

87h

 

Configure Motherboard Configurable

 

 

 

 

Devices (optional)

 

 

 

 

 

 

 

88h

 

Initialize BIOS Area

 

 

 

 

 

 

 

89h

 

Enable Non-Maskable Interrupts (NMIs)

 

 

 

 

 

 

 

8Ah

 

Initialize Extended BIOS Data Area

 

 

 

 

 

 

 

8Bh

 

Test and initialize PS/2 mouse

 

 

 

 

 

 

 

8Ch

 

Initialize floppy controller

 

 

 

 

 

 

 

8Fh

 

Determine number of ATA drives

 

 

 

 

(optional)

 

 

 

 

 

 

 

90h

 

Initialize hard-disk controllers

 

 

 

 

 

 

 

91h

 

Initialize local-bus hard-disk controllers

 

 

 

 

 

 

 

92h

 

Jump to UserPatch2

 

 

 

 

 

 

 

93h

 

Build MPTABLE for multi-processor

 

 

 

 

boards

 

 

 

 

 

 

 

95h

 

Install CD ROM for boot

 

 

 

 

 

 

 

96h

 

Clear huge ES segment register

 

 

 

 

 

 

 

97h

 

Fixup Multi Processor table

 

 

 

 

 

 

 

98h

1-2

Search for option ROMs. One long, two

 

 

 

 

short beeps on checksum failure.

 

 

 

 

 

 

 

99h

 

Check for SMART drive (optional)

 

 

 

 

 

 

 

9Ah

 

Shadow option ROMs

 

 

 

 

 

 

 

9Ch

 

Set up Power Management

 

 

 

 

 

 

 

9Dh

 

Initialize security engine (optional)

 

 

 

 

 

 

 

9Eh

 

Enable hardware interrupts

 

 

 

 

 

 

 

9Fh

 

Determine number of ATA and SCSI

 

 

 

 

drives

 

 

 

 

 

 

 

A0h

 

Set time of day

 

 

 

 

 

 

 

A2h

 

Check key lock

 

 

 

 

 

 

 

A4h

 

Initialize Typematic rate

 

 

 

 

 

 

 

A8h

 

Erase F2 prompt

 

 

 

 

 

 

 

AAh

 

Scan for F2 key stroke

 

 

 

 

 

 

 

ACh

 

Enter SETUP

 

 

 

 

 

 

 

AEh

 

Clear Boot flag

 

 

 

 

 

 

 

B0h

 

Check for errors

 

 

 

 

 

 

 

B2h

 

POST done- prepare to boot operating

 

 

 

 

system

 

 

 

 

 

 

 

B4h

1

One short beep before boot

 

 

 

 

 

 

 

B5h

 

Terminate QuietBoot (optional)

 

 

 

 

 

 

 

B6h

 

Check password (optional)

 

 

 

 

 

 

 

 

 

 

 

114

Chapter 4

Page 121 Page 123
Image 122
Page 121 Page 123
Contents Please refer to http//csd.acer.com.tw Revision History Copyright IIIProcedures Gives precautionary measures toProblems Following conventions are used in this manualPreface Page Table of Contents Table of Contents TravelMate 7520/7520G/7220/7220G Series Top ViewBottom View Microsoft Windows Vista Environment TestTable of Contents Chapter FeaturesBelow is a brief summary of the computer’s many feature Models  Optical drive options  Acer Video Conference featuring Temperature  Humidity non-condensingDiagramSystem Block AMDYour Acer Notebook tour Front ViewClosed Front View Left View DVI-DRight View Rear PanelBottom Panel IndicatorsComputer has several easy-to-read status indicators Chapter HDD Indicates when the hard disk drive isEasy-Launch Buttons ActiveTouchpad Basics Chapter Fn + F11 Using the KeyboardLock Keys and embedded numeric keypad F12Windows Keys Technology Power. Press any key to returnHot Keys Euro symbol Special KeyAcer eNet Management Acer Empowering TechnologyEmpowering Technology password Page Acer ePower Management Using power plansTo edit a power plan Acer ePresentation ManagementAcer eDataSecurity Management Passwords Acer eLock ManagementAcer eRecovery Management  Restore and recoveryAcer eSettings Management Windows Mobility Center  Lets you set an asset tag for your systemNTI Shadow Using the System UtilitiesAcer Bio-Protection for selected models Acer GridVista dual-display compatible Select Tasks & Scans Launch ManagerNorton Internet Security Page CPU Fan True Value Table Hardware Specifications and ConfigurationsProcessor 0MB System MemoryMemory Combinations Hard Disk Drive Interface Bluetooth InterfaceWireless Module 802.11b/g 2MB SataCombo Drive module PataDVD+RW Super-Multi Drive moduleUS & US+ RW DVD Audio InterfacePcmcia Port Video InterfaceVideo Memory System Board Major ChipsLAN BatteryVGA ModemLCD 17 inch LCD InverterSystem Power Management AC AdaptorBios Setup Utility System UtilitiesNavigating the Bios Utility Information Parameter DescriptionMain C u r i t y O t I tParameter Description Format/Option Advanced C E x i tSecurity C u r i t y O t I tSetting a Password Clear or SetRemoving a Password Chapter Boot E o r t oExit Table below describes the parameters in this screenBios Flash Utility Remove HDD Password Remove HDD/BIOS UtilityThis section provide you with removing HDD/BIOS method Remove Bios Password Key in biospw 14452 Choose one upper-case string Chapter Chapter Machine Disassembly and Replacement Disassembly RequirementsGeneral Information Pre-disassembly InstructionsDisassembly Process Main Screw ListScrew List External Module Disassembly ProcessExternal Modules Disassembly Flowchart Removing the Battery Pack Press the eject button to pop out the button Chapter Removing the SD dummy cardRemoving the PC and ExpressCard dummy cards See Removing the Battery Pack on Removing the Lower CoverRemoving the Secondary HDD Cover Removing the Secondary HDD Bracket and Connector Loosen the two screws B from the secondary HDD coverPage Removing the Dimm Removing the Wlan Board ModulesRemoving the Hard Disk Drive Module Detach the Wlan board from the Wlan socketRemoving the Optical Drive Module Remove the hard disk drive from the bracketM2.5 x L6 Black Kgf-cm M2 x L3 Black Kgf-cm Chapter Main Unit Disassembly Process Removing the Modem BoardRemoving the Heatsink Fan Module Removing the CPU and VGA Heatsink Module Remove the heatsink fan module from the main boardRemoving the CPU Slide out and remove the heatsink moduleRemoving the VGA board for Discrete model only Removing the Middle Cover and the Power Board Carefully remove the VGA board from the main boardRemoving the Keyboard Chapter Removing the LCD Module M2.5 x L8 Black Kgf-cm Chapter Separating the Upper Case from the Lower Case Carefully remove the LCD module from the base unitChapter Removing the Launch Board Remove the twenty screws a on the bottom and top panelRemoving theTouch Pad Board Module Page Remove the fingerprint board from the upper case Removing the Main Board Carefully pry loose and remove the touch pad boardM2 x L4 Silver Kgf-cm Chapter Removing the ODD Board Module Carefully remove the main board from the bottom panelRemoving the Speaker Modules Removing the USB Board Remove the left and right speakers from the upper caseRemove the USB Board from the lower case LCD Module Disassembly Process Removing the LCD Bezel Removing the LCD module with the Brackets Removing the Inverter Board and FPC Cable Detach the LCD with the brackets from the back coverRemoving the LCD Brackets Remove the left and right hinge from the back cover Removing the Left and Right HingeRemoving the Antennas Removing the Internal Microphone and Web Camera 102 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 Touchpad Check Chapter 107Power-On Self-Test Post Error Message Error Message List Error Messages FRU/Action in Sequence Index of Error MessagesError Code List Error Codes Error Messages Bios ROMCPU ID Dimm Bios ROMCmos Dimm LCD PostPhoenix Bios Beep Codes Code Beeps Post Routine DescriptionSetup 114 Chapter Code Beeps 116 Chapter Power-Related Symptoms Symptom / Error Action in Sequence Index of Symptom-to-FRU Error MessageLCD-Related Symptoms Symptom / Error Action in Sequence Speaker-Related Symptoms Symptom / Error Action in Sequence PCMCIA-Related Symptoms Symptom / Error Action in SequenceMemory-Related Symptoms Symptom / Error Action in Sequence PcmciaPage Modem-Related Symptoms Symptom / Error Action in Sequence Intermittent Problems Undetermined Problems  DimmJumper and Connector Locations Top ViewCPU USB ConnectorBottom View Password Bypassing and Bios Recovery PIN pad Location Xxxxxxx XxxxxxxPage 128 Chapter FRU Field Replaceable Unit List TravelMate 7520/7520G/7220/7220G Exploded Diagram TravelMate 7520/7520G/7220/7220G FRU ListBattery Pack LI+ 6CELL 2.0MAH Finger Print Board Cable Power Cord 10A 125V US Upper Case W/ Cover Switch PGA CPU Merom T5600 1.83GHZ Intel HDD 80GB 5400RPM Sata Black Korean BIG Ergo Darfon Keyboard 1415KB-EV2 93KS Glare Name Plate TM5310 Appendix a 140 Appendix aTravelMate 7520/7520G/7220/7220G Series Appendix a Appendix a 142 143 Appendix a 144 145 Appendix a 146 147 Appendix a 148 149 Appendix a 150 151 Appendix a 152 153 Appendix a 154 155 Appendix a 156 157 Appendix a 158 159 Appendix a 160 161 Appendix a 162 Test Compatible Components Appendix BMicrosoft Windows Vista Environment Test CRT Port TestAppendix B 165 IR TestMemory Card Test SD/MS/MMC/SM/CF/Microdrive/XD Online Support Information Appendix C168 Appendix C Index Index 169Screw List 60, 61, 73 Index
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