Acer 7520, 7220 manual Phoenix Bios Beep Codes, Code Beeps Post Routine Description

Page 98

Phoenix BIOS Beep Codes

Code

Beeps

POST Routine Description

 

 

 

02h

 

Verify Real Mode

 

 

 

03h

 

Disable Non-Maskable Interrupt (NMI)

 

 

 

04h

 

Get CPU type

 

 

 

06h

 

Initialize system hardware

 

 

 

08h

 

Initialize chipset with initial POST values

 

 

 

09h

 

Set IN POST flag

 

 

 

0Ah

 

Initialize CPU registers

 

 

 

0Bh

 

Enable CPU cache

 

 

 

0Ch

 

Initialize caches to initial POST values

 

 

 

0Eh

 

Initialize I/O component

 

 

 

0Fh

 

Initialize the local bus IDE

 

 

 

10h

 

Initialize Power Management

 

 

 

11h

 

Load alternate registers with initial POST

 

 

values

 

 

 

12h

 

Restore CPU control word during warm boot

 

 

 

13h

 

Initialize PCI Bus Mastering devices

 

 

 

14h

 

Initialize keyboard controller

 

 

 

16h

1-2-2-3

BIOS ROM checksum

 

 

 

17h

 

Initialize cache before memory autosize

 

 

 

18h

 

8254 timer initialization

 

 

 

1Ah

 

8237 DMA controller initialization

 

 

 

1Ch

 

Reset Programmable Interrupt Controller

 

 

 

20h

1-3-1-1

Test DRAM refresh

 

 

 

22h

1-3-1-3

Test 8742 Keyboard Controller

 

 

 

24h

 

Set ES segment register to 4 GB

 

 

 

26h

 

Enable A20 line

 

 

 

28h

 

Autosize DRAM

 

 

 

29h

 

Initialize POST Memory Manager

 

 

 

2Ah

 

Clear 215 KB base RAM

 

 

 

2Ch

1-3-4-1

RAM failure on address line xxxx

 

 

 

2Eh

1-3-4-3

RAM failure on data bits xxxx of low byte of

 

 

memory bus

 

 

 

2Fh

 

Enable cache before system BIOS shadow

 

 

 

30h

1-4-1-1

RAM failure on data bits xxxx of high byte of

 

 

memory bus

 

 

 

32h

 

Test CPU bus-clock frequency

 

 

 

33h

 

Initialize Phoenix Dispatch Manager

 

 

 

36h

 

Warm start shut down

 

 

 

38h

 

Shadow system BIOS ROM

 

 

 

3Ah

 

Autosize cache

 

 

 

3Ch

 

Advanced configuration of chipset registers

 

 

 

3Dh

 

Load alternate registers with CMOS values

 

 

 

42h

 

Initialize interrupt vectors

 

 

 

45h

 

POST device initialization

 

 

 

84

Chapter 4

Image 98
Contents Aspire 7520/7220 Series Service Guide Date Chapter Updates Revision HistoryCopyright Conventions Preface Page Chapter System SpecificationsFeatures Dimensions and weight Ports System compliance System Block Diagram Board Layout Top ViewPJP2 Bottom ViewPJP1 SW1Icon Description Your Acer Notebook TourFront View Closed Front View Left View DVI-DRight View Rear viewIndicators Base viewHDD Easy-Launch ButtonsIcon Function Description Launch Button Default application Touchpad BasicsLock Keys and embedded numeric keypad Using the KeyboardDesired Access Num Lock On Num Lock Off Windows KeysHot Key Icon Function Description Hot KeysKey Icon Description Technology onEuro symbol Special KeyUS dollar sign Acer Empowering Technology Empowering Technology passwordAcer eNet Management Acer ePower Management AC Mode Adapter modeBattery status Acer eAudio Management Acer ePresentation Management Acer eDataSecurity ManagementChapter Acer eLock Management Acer eRecovery Management Acer eSettings Management Getting to know your Acer Crystal Eye webcam Using 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 802.11a/b/g/n DVD-Dual Interface Audio InterfaceSubwoofer Yes 2W Optional System Board Major Chips USB PortPcmcia Port KeyboardBattery LCD 15.4 inchAC Adapter System Power ManagementLCD Inverter System Utilities Bios Setup Utility 3PLOLL40Navigating the Bios Utility AS7220 Model Bios Screens InformationParameter Description UuidMain InformationParameter Description Format/Option Advanced Parameter Description OptionSecurity SecuritySetting a Password Clear or SetRemoving a Password Changing a PasswordPage Boot BootBoot ExitAS7250/G Model Bios Screens Uuid Main Parameter Description Format/Option Security HDD 0 Password Shows the setting of the hard disk 0 password Removing a Password Page Boot Exit Chapter Machine Disassembly and Replacement General Information Before You BeginDisassembly Procedure Flowchart HDDScrew M2*3NL Screw ListDescription Part Number Screw ICW50CPUT HermalscrRemoving the Battery Pack Removing the HDD Module Removing the MemoryRemoving the Wireless LAN Card/Modem Card and TV Tuner Card Removing the System Fan/Thermal Modules/VGA Board and CPU Removing the Keyboard and LCD Module Disassembling the Main Unit Disassembling the Lower Case Assembly Chapter Chapter Disassembling the Upper Case Assembly Disassembling the LCD Module Chapter Disassembling the ODD Module Disassembling the External ModulesDisassembling the HDD Module Page 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 Jumper and Connector Locations Bottom View FRU Field Replaceable Unit List Aspire 7520/7220 FRU List Category Part Name and Description Acer Part NoDVB-T Button Board W/CABLE Bluetooth CableTV Tuner Avermedia 01K A310 HDD BoardPower Cord EU 3 PIN PAL to Ntsc ConnectorPower Cord US 3 PIN Power Cord AUS 3 PINTMDTL52HAX5CT CPU AMD Sempron 512K 1.8GSMS3500HAX4CM TMDTL56HAX5CTDVD-RW Drive DVD Super Multi Module Tray ODD BEZEL-COMBOODD Bracket DVD Super Multi Drive PioneerHDD Sata 120G 5400 RPM Seagate HDD Sata 120G 5400 RPM HgstSata HTS541612J9SA00 SURUGA-B HDD Sata 120G 5400RPM ToshibaItalian Keyboard 17KB-FV2 105KS White Greek Keyboard 17KB-FV2 106KS WhiteHungarian Keyboard 17KB-FV2 106KS White Korean Keyboard 17KB-FV2 106KS WhiteAntenna LCD Cover Assy 17 IMR Logo W LCD WiresetLCD Cover Assy 17 Logo W/MIC W MIC W/ANTENNA LCD Bezel Assy 17 for CCDRemote Controller SC Accessory Remote Controller EURemote Controller TS Remote Controller ENName PLATE-AS7520 Thermal PAD-MOSFETName PLATE-AS7220 Screw
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