Acer 5920G Series manual 2-1-2-3

Page 83
2-1-2-3

Code

Beeps

POST Routine Description

 

 

 

46h

2-1-2-3

Check ROM copyright notice

 

 

 

48h

 

Check video configuration against CMOS

 

 

 

49h

 

Initialize PCI bus and devices

 

 

 

4Ah

 

Initialize all video adapters in system

 

 

 

4Bh

 

QuietBoot start (optional)

 

 

 

4Ch

 

Shadow video BIOS ROM

 

 

 

4Eh

 

Display BIOS copyright notice

 

 

 

50h

 

Display CPU type and speed

 

 

 

51h

 

Initialize EISA board

 

 

 

52h

 

Test keyboard

 

 

 

54h

 

Set key click if enabled

 

 

 

58h

2-2-3-1

Test for unexpected interrupts

 

 

 

59h

 

Initialize POST display service

 

 

 

5Ah

 

Display prompt “Press F2 to enter SETUP”

 

 

 

5Bh

 

Disable CPU cache

 

 

 

5Ch

 

Test RAM between 512 and 640 KB

 

 

 

60h

 

Test extended memory

 

 

 

62h

 

Test extended memory address lines

 

 

 

64h

 

Jump to User Patch1

 

 

 

66h

 

Configure advanced cache registers

 

 

 

67h

 

Initialize Multi Processor APIC

 

 

 

68h

 

Enable external and CPU caches

 

 

 

69h

 

Setup System Management Mode (SMM) area

 

 

 

6Ah

 

Display external L2 cache size

 

 

 

6Bh

 

Load custom defaults (optional)

 

 

 

6Ch

 

Display shadow-area message

 

 

 

6Eh

 

Display possible high address for UMB

 

 

recovery

 

 

 

70h

 

Display error messages

 

 

 

72h

 

Check for configuration errors

 

 

 

76h

 

Check for keyboard errors

 

 

 

7Ch

 

Set up hardware interrupt vectors

 

 

 

7Eh

 

Initialize coprocessor if present

 

 

 

80h

 

Disable onboard Super I/O ports and IRQs

 

 

 

81h

 

Late POST device initialization

 

 

 

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

 

 

 

Chapter 4

77

Image 83
Contents PRINTED IN TAIWAN Aspire 5920G Series Service GuideRevision History Disclaimer CopyrightSCREEN MESSAGES ConventionsPreface Page Operating system System SpecificationsFeatures ChapterCommunication AudioStorage subsystem Input devicesRF-in port optional Line-in jackHumidity non-condensing EnvironmentTemperature System Block Diagram 29 25 26 27 Board LayoutTop View 1820Subwoofer Connector Bottom ViewFront View Your Acer Notebook tourinfrared printer and IR-aware computer Closed Front ViewButton to launch your internet browser and To play, pause, record, rewind, fast forwardConnects to a display device e.g., external Left ViewAccepts audio line-in devices e.g., audio Accepts input from external microphonesConnects to an AC adapter Right ViewRear view The computer has several easy-to-read status indicators IndicatorsBase view Indicates the status of wireless LAN communication Easy-Launch ButtonsIndicates when the hard disc or optical drive is active Touchpad Basics Windows Keys Using the KeyboardLock Keys and embedded numeric keypad This key has the same effect as clicking the right Hot KeysWindows key The US dollar sign Special KeyThe Euro symbol Acer eNet Management Acer Empowering TechnologyEmpowering Technology password Chapter AC Mode Adapter mode Acer ePower ManagementDC Mode Battery mode To create new power planBattery status Acer ePresentation ManagementAcer eDataSecurity Management Chapter Acer eLock Management Acer eRecovery Management Getting to know your Acer OrbiCam Acer eSettings ManagementLaunching the Acer OrbiCam Changing the Acer OrbiCam resolutionUsing the Acer OrbiCam as webcam Acer GridVista dual-display compatible Using the System UtilitiesLaunch Manager CPU Fan True Value Table Hardware Specifications and ConfigurationsBIOS ProcessorMemory Combinations System MemoryModem Interface Bluetooth InterfaceWireless Module 802.11a/b/g/n LAN InterfaceAudio Interface DVD-Dual InterfaceKeyboard USB PortPCMCIA Port System Board Major ChipsLCD 15.4” inch BatteryLCD Inverter System Power ManagementPower Management SpecificationExit System Utilities BIOS Setup UtilityBoot SecurityNavigating the BIOS Utility Information Shows extended memory size MainSystem Time Shows system base memory sizeChapter Set Hard Disk Password SecuritySet Supervisor Password Set User PasswordClear or Set Setting a PasswordChanging a Password Removing a PasswordChapter Excluded from boot order BootBoot Boot priority orderExit Saving Changes ExitExit Discarding Changes Load Setup Defaults ExitBIOS Flash Utility Machine Disassembly and Replacement Before You Begin General InformationDisassembly Procedure Flowchart LCD Bezel AssemblyWireless LCD Module2. Slide the battery release latch then remove the battery Removing the Battery Pack1. Unlock the battery lock move the battery lock to the right Removing the ODD Module Removing the Memory and Wireless LAN CardRemoving the HDD Module Removing the VGA Board and Thermal Module 17. Remove one screw from inside the battery compartment Removing the Keyboard and LCD Module 11. Detach the LCD module from the main unit 9. Pull out the wireless LAN antennas from the cable holders as shown10. Remove the four screws securing the hinges Removing the Power Board Separate the Main Unit Into the Upper and the Lower Case AssemblyDisassembling the Lower Case Assembly Disassembling the Main Unit11. Remove the four screws fastening the subwoofer Removing the SubwooferRemoving the MDC Card Module 10. Disconnect the subwoofer cable from the main boardRemoving the Main Board Removing the USB BoardRemoving the CPU Removing the Email Board Disassembling the Upper Case AssemblyRemoving the Touchpad Board Removing the DC Cable and Jack32. Disconnect the launch key board cable as shown Removing the Launch Key BoardRemoving the Speaker 31. Remove the four screws fastening the launch key boardDisassembling the LCD Module Disassembling the ODD Module Disassembling the External ModulesDisassembling the HDD Module Chapter Go To TroubleshootingSymptoms Verified Keyboard or Auxiliary Input Device Check System Check ProceduresExternal Diskette Drive Check External CD-ROM Drive CheckMemory check Power System CheckCheck the Power Adapter Touchpad Check Check the Battery PackPower-On Self-Test POST Error Message Error Message List Index of Error MessagesError Code List FRU/Action in Sequence No beep, power-on indicator turns off and LCD is POST Routine Description Phoenix BIOS Beep CodesCode Beeps2-1-2-3 POST Routine Description CodeBeeps POST Routine Description Power-Related Symptoms Index of Symptom-to-FRU Error MessageLCD-Related Symptoms Indicator-Related SymptomsPower Management-Related Symptoms PCMCIA-Related SymptomsMemory-Related Symptoms Speaker-Related SymptomsModem-Related Symptoms Peripheral-Related SymptomsKeyboard/Touchpad-Related Symptoms Intermittent Problems Undetermined Problems 29 25 26 27 Jumper and Connector Locations1820 Bottom View FRU Field Replaceable Unit List Acer Part No Aspire Chapla Exploded DiagramCategory Part Name and DescriptionAcer Part No CategoryPart Name and Description Acer Part No CategoryPart Name and Description Acer Part No CategoryPart Name and Description Acer Part No CategoryPart Name and Description Acer Part No CategoryPart Name and Description Acer Part No CategoryPart Name and Description Acer Part No CategoryPart Name and Description Acer Part No CategoryPart Name and Description Acer Part No SCREW M1.6*4.0-I NINYLOK