Acer 5020 manual Chapter

Page 73

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

67

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Contents Aspire 3020/5020 Series Service GuideRevision History Date Chapter UpdatesCopyright Conventions Preface Page Features System SpecificationsAudio Bolsena Block Diagram System Block DiagramTop View Board LayoutCRT Bottom ViewPcmcia Bluetooth Switch FAN Connector Wireless Switch Front View An Aspire tourIcon Description Closed Front View Right View Left ViewRear Panel Bottom Panel IndicatorsIcon Function Description Launch KeysTouchpad Launch key Default applicationTouchpad Basics Page Desired Access Num Lock On Num Lock Off Using the KeyboardLock Keys and embedded mumeric keypad Windows KeysKey Icon Description Hot KeysHot Key Icon Function Description Special KeyEuro symbol Processor Hardware Specifications and ConfigurationsSecond Level Cache System MemoryLAN Interface Memory CombinationsIR Interface 0MBWireless Module 802.11b/g optional device Bluetooth InterfaceWireless Module 802.11a/b/g optional device Modem InterfaceDVD-Dual Interface Combo Drive InterfaceRPM ATA/ATAPI-6 ATA-6 ATA/ATA-6 ATA-6Video Interface Audio InterfaceUSB Port Video MemoryIeee 1394 Port Pcmcia PortKeyboard BatteryLCD 15 inch QDIChimei N154I1 LCD 15 inch and 15.4 inchLCD Inverter System Power ManagementAC Adaptor Chapter Chapter Bios Setup UtilityNavigating the Bios Utility Parameter Description InformationMain Advanced Security Boot ExitParameter Description Format/Option Parameter Description Options AdvancedIRQ3/IRQ5 DMA3/DMA1Chapter Security Boot ExitParameter Description Option Clear or SetChanging a Password Page +Hard Drive BootExit Info Main Advanced Security BootBios Flash Utility Machine Disassembly and Replacement Before You Begin General InformationDisassembly Procedure Flowchart Screw List Removing the Battery Pack Removing the Memory and the HDD Module Removing the Wireless LAN CardRemoving the LCD Module Removing the ODD ModuleChapter Disassembling the Main Unit Disassembling the Upper Case AssemblyDisassembling the Lower Case Assembly Page Chapter Disassembling the LCD Module Disassembling the HDD Module Disassembling the External ModulesSymptoms Verified Go To TroubleshootingExternal Diskette Drive Check System Check ProceduresExternal CD-ROM Drive Check Keyboard or Auxiliary Input Device CheckMemory check Power System CheckCheck the Power Adapter Touchpad Check Check the Battery PackPower-On Self-Test Post Error Message Error Code List Index of Error MessagesError Message List Error Codes Error MessagesCPU ID Cmos DimmNo beep Error Messages FRU/Action in Sequence Code Beeps Post Routine Description Phoenix Bios Beep CodesChapter Code Beeps Post Routine Description Code Beeps LCD-Related Symptoms Index of Symptom-to-FRU Error MessageIndicator-Related Symptoms Power-Related SymptomsMemory-Related Symptoms PCMCIA-Related SymptomsSpeaker-Related Symptoms Power Management-Related SymptomsKeyboard/Touchpad-Related Symptoms Peripheral-Related SymptomsModem-Related Symptoms Intermittent Problems Dimm Undetermined ProblemsTop View Jumper and Connector LocationsLAN PHY RTL8201CP Mini PCIBottom View Chapter FRU Field Replaceable Unit List Sanyo Battery Pack LI+ 8CELL 2.2MAH Battery Pack LI+ 8CELL 2.2MAHWireless LAN Board 802.11BG Adapter 90W Liteon PA-1900Power Cable 16A 250V 3PIN EUR Cover Switch CablePower Cord 220V 3PIN EUR Power Cord 10A 125V 3PIN USIO Bracket Left Upper Case W/COVER SwitchLower Case W/SPEAKER Speaker LEFT/RIGHTDVD-RW 8X Dual Liteon Sosw Optical Bracket833S W/BEZEL DVD-RW Module 8X Dual DVD-RW 8X Toshiba TS-L532AHDD 40GB Toshiba MK4025GAS HDD 40GB HitachiHDD 40GB 4200PRM Seagate HDD 60GB HitachiDanish Keyboard Darfon NSK-H3M0T Keyboard Darfon NSK-H3M0DTurkish Keyboard Darfon NSK-H3M0L Greek Keyboard Darfon NSK-H3M0RRTC Battery Wireless AntennaLCD Panel W/HINGE Hinge Pack 15.4IN. LEFT/RIGHTSdimm 256M Infineon Sdimm 256M NanyaSdimm 256M Hynix Sdimm 256M SamsungScrw M2.5*3 Wafer NI Scrw M2*4 Wafer NIChapter