Acer 8431 manual PnPnd dual Cmos optional

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Code

Beeps

POST Routine Description

C5h

 

PnPnd dual CMOS (optional)

 

 

 

C6h

 

Initialize notebook docking (optional)

 

 

 

C7h

 

Initialize notebook docking late

 

 

 

C8h

 

Force check (optional)

 

 

 

C9h

 

Extended checksum (optional)

 

 

 

D2h

 

Unknown interrupt

 

 

 

E0h

 

Initialize the chipset

 

 

 

E1h

 

Initialize the bridge

 

 

 

E2h

 

Initialize the CPU

 

 

 

E3h

 

Initialize the system timer

 

 

 

E4h

 

Initialize system I/O

 

 

 

E5h

 

Check force recovery boot

 

 

 

E6h

 

Checksum BIOS ROM

 

 

 

E7h

 

Go to BIOS

 

 

 

E8h

 

Set Huge Segment

 

 

 

E9h

 

Initialize Multi Processor

 

 

 

EAh

 

Initialize OEM special code

 

 

 

EBh

 

Initialize PIC and DMA

 

 

 

ECh

 

Initialize Memory type

 

 

 

EDh

 

Initialize Memory size

 

 

 

EEh

 

Shadow Boot Block

 

 

 

EFh

 

System memory test

 

 

 

F0h

 

Initialize interrupt vectors

 

 

 

F1h

 

Initialize Run Time Clock

 

 

 

F2h

 

Initialize video

 

 

 

F3h

 

Initialize System Management Mode

 

 

 

F4h

1

Output one beep before boot

 

 

 

F5h

 

Boot to Mini DOS

 

 

 

F6h

 

Clear Huge Segment

 

 

 

F7h

 

Boot to Full DOS

 

 

 

62

Chapter 4

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Contents TravelMate 8471/8431 Series Service Guide Revision History Copyright Conventions Preface Page Table of Contents Jumper and Connector Locations Features ChapterPower subsystem Environment DiagramBlockSystem CRTBoard Layout Top ViewBottom View Your Acer Notebook tour HDD Closed Front View Rear viewLeft View Right ViewBase view Touchpad Basics with fingerprint reader Touchpad basics with two-click buttons Using the Keyboard Lock Keys and embedded numeric keypadWindows Keys Hot Keys Using the system utilities Acer Bio-Protection only for certain modelsAcer GridVista dual-display compatible Acer Backup Manager Power management Acer eRecovery ManagementRestore Burn backup discsRestore Windows Vista from backup discs Hardware Specifications and Configurations Audio Interface Bluetooth InterfaceHard Disk Drive Interface LCD panelButton Power ManagementKeyboard SoftwareSecurity Features LED Status IndicatorPhysical Characteristics Bios Setup Utility System UtilitiesInvoking Bios Setup InformationMain Post Security Setting a Password Removing a Password Boot Exit Bios Flash Utility Machine Disassembly and Replacement General Information Before You BeginMain unit disassembly flow chart Disassembly Procedure FlowchardLCM module disassembly flow chart Removing the Battery Pack Removing the HDD and RAM Remove the screw on RAM cover and remove RAM Remove the wireless card Remove ODD Chapter Remove Keyboard Remove FFC of main board and sub board Remove the FFC and screw on the Wireless board M2*54.5D*0.8T Remove Panel M2*44.5D*0.5T Disassembling the External Module Disassembling the HDD ModuleTroubleshooting External CD-ROM Drive Check System Check ProceduresExternal Diskette Drive Check Keyboard or Auxiliary Input Device CheckPower System Check Memory checkTouchpad Check Power-On Self-Test Post Error Message Error Code List Index of Error MessagesError Message List Cmos CRT InsydeH2O Bios Beep Codes Post device initialization 8Ah Initialize Extended Bios Data Area PnPnd dual Cmos optional 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 SymptomsSymptom / Error Action in Sequence Keyboard/Touchpad-Related Symptoms Peripheral-Related SymptomsModem-Related Symptoms Intermittent Problems Undetermined Problems Jumper and Connector Locations Top ViewBottom View FRU Field Replaceable Unit List TravelMate 8471/8431 Exploded Diagram Chapter Chapter TravelMate 8471/8431 FRU List AccessoryBattery AdapterLAN Intel Wlan 512AGHMWG Cable Camera CASE/COVER/BRACKET Assembly DVD RW Drive HDD/SSD Keyboard LCD Microphone Speaker Chapter