Ultra Start 3270 series Informazioni Techniche

TravelMate 2480/3260/3270 SeriesService Guide

2 Chapter 1MultiMediaCard (MMC), Secure Digital (SD), and xD-Picture CardTM (xD)Input devicesT 88/89-key keyboardT Touchpad with 4-way scroll buttonT

92 Chapter 4Index of Symptom-to-FRU Error MessageLCD-Related SymptomsSymptom / Error Action in SequenceLCD backlight doesn't workLCD is too darkL

Chapter 4 93Battery can’t be charged See “Check the Battery Pack” on page 83. Battery packSystem boardPCMCIA-Related SymptomsSymptom / Error Action in

94 Chapter 4NOTE: If you cannot find a symptom or an error in this list and the problem remains, see “Undetermined Problems” on page 96.Battery fuel g

Chapter 4 95Intermittent ProblemsIntermittent system hang problems can be caused by a variety of reasons that have nothing to do with a hardware defec

96 Chapter 4Undetermined ProblemsThe diagnostic problems does not identify which adapter or device failed, which installed devices are incorrect, whet

Chapter 5 97Top View1 CN1 LVDS CONN 8 U18 BIOS2 SW1-4 QUICK KEY SWITCH 9 U13 KB CONTROLLER (87541V)3 U3 LCOCK GENERATOR 10 U5-6 G72M-VRAM4 U12 FIR 11

98 Chapter 5Bottom ViewNOTE: This is engineering sample. The image above may not be exactly the same as the real main board you get.1 CN9 DOCKING 17 C

Chapter 5 99Jumper Settings/Clear BIOS Password Procedures1. Please see the bottom side of the main board. 2. Find G1 jumper and short the jumper to c

100 Chapter 5

Chapter 6 101This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of TravelMate 2480/3260/3270. Refer to this chap

Chapter 1 3T Modem (RJ-11) portT DC-in jack for AC adapterEnvironmentT Temperature:toperating: 5 C to 35 CtNon-operating: -20 C to 65 CT Humidity (non

102 Chapter 6TravelMate 2480/3260/3270 Exploded Diagram

Chapter 6 103TravelMate 2480/3260/3270 FRU ListNOTE: TravelMate 2480/3260/3270 FRU list is not ready as the service guide released. We will update the

104 Chapter 6BLUETOOTH MODULE FOXCONN BCM2045Note: The bluetooth module does not contain the black mylar as the image shows..54.TB2V1.001BT MODULE FOX

Chapter 6 105LOWERCASE W/SPEAKER 60.TCZV1.001SpeakerSPEAKER 23.TCZV1.003Case/Cover/Bracket/AssemblyMIDDLE COVER W/MICROPHONE (TRAVELMATE) 60.TCZV1.003

106 Chapter 6COMBO MODULE 24X 6M.TB2V1.001OPTICAL FIX HOLDER BRACKET 33.TB2V1.002OPTICAL RAIL HOLDER 33.TB2V1.003OPTICAL BEZEL GBASE FOR COMBO42.TB2V

Chapter 6 107OPTICAL FIX HOLDER BRACKET 33.TB2V1.002OPTICAL RAIL HOLDER 33.TB2V1.003OPTICAL BEZEL GBASE FOR DUAL 42.TB2V1.00342.TB2V1.004 (TM)DVD-RW D

108 Chapter 6HDD 60GB SEAGATE ST96812A KH.06001.004HDD 60GB SEAGATE ST960812A KH.06001.003HDD 60GB TOSHIBA MK6025GAS KH.06004.004HDD 60G TOSHIBA KH.06

Chapter 6 109KEYBOARD 89KEY DARFON NSK-H3M06 PORTUGAKB.A2707.012KEYBOARD 88KEY DARFON NSK-H3M0A ARABIAKB.A2707.013KEYBOARD 89KEY DARFON NSK-H3M0C CZEC

110 Chapter 6KEYBOARD 89KEY DARFON NSK-AEK0D DANISHKB.T5007.019KEYBOARD 89KEY DARFON NSK-AEK0E ITALYKB.T5007.009KEYBOARD 89KEY DARFON NSK-AEK0F FRENCH

Chapter 6 111WIRELESS ANTENNA LEFT/RIGHT 25.TCZV1.001LCD/INVERTER CABLE 14.1" WXGA 50.TCZV1.004LCD BRACKET RIGHTNote: Right bracket is the upper

4 Chapter 1System Block Diagram5544332211D DC CB BA AREQ2# / GNT2#REQ0# / GNT0#AD19AD25INTC#,INTD#INTE#,INTF#,INTG#MINI PCITI XX12DDR2667/533MHzAzalia

112 Chapter 6LCD BRACKET RIGHT 33.TB1V1.003LCD BRACKET LEFT 33.TB1V1.004LCD PANEL 14.1" W/HINGE 60.TB2V1.004LCD BEZEL 14.1" W/LOGO 60.TB2V1.

Chapter 6 113LCD SCREW RUBBER LCD RUBBER CUSHION47.A46V1.002LCD SCREW RUBBER 47.TB1V1.001NAME PLATE 40.ADKV1.001NAME PLlATE (TM) 40.TCZV1.001ScrewsSCW

114 Chapter 6

Chapter 6 115

Appendix A 116TravelMate 2480 SeriesModel RO Country Acer Part no Description CPU Memory HDD(GB) ODDTM2482WXCiTWN GCTWN S2.TEC05.001 TM2482WXCi XPHTC1

117 Appendix ATM2482WXMiEMEA Germany LX.TEC05.004 TM2482WXMi XPHDE7 UMA 1*512/60/6L/5R_bg_ANCM420 SO512MBII5N60GB5.4KNSM8XTM2482WXMiEMEA Slovenia/Croa

Appendix A 118TM2482WXCiEMEA Belgium LX.TEC06.002 TM2482WXCi XPPBE1 UMA 1*512/60/6L/5R_bg_ANCM420 SO512MBII5N60GB5.4KNCB24XTM2482WXCiEMEA Holland LX.T

119 Appendix ATM2482WXCiEMEA Turkey LX.TEC06.021 TM2482WXCi XPPTR1 UMA 1*512/60/6L/5R_bg_ANCM420 SO512MBII5N60GB5.4KNCB24XTM2482WXCiEMEA Greece LX.TEC

Appendix A 120TM2482NWXCiAAP Vietnam LX.TEC0C.006 TM2482NWXCi LINPUSVN1 UMA 1*256/40/6L/5R_bg_ANCM420 SO256MBII5N40GB4.2KNCB24XTM2482WXCiPA USA/Canada

121 Appendix ATM2481NWXCiAAP Thailand LX.TEC0C.012 TM2481NWXCi LINPUSTH2 UMA 1*256/40/6L/5R_bg_ANCM410 SO256MBII5N40GB4.2KNCB24XTM2481NWXCiAAP Vietnam

Chapter 1 5Board LayoutTop View1 CN1 LVDS CONN 8 U18 BIOS2 SW1-4 QUICK KEY SWITCH 9 U13 KB CONTROLLER (87541V)3 U3 LCOCK GENERATOR 10 U5-6 G72M-VRAM4

Appendix A 122TM2481WXCiAAP Australia/New ZealandLX.TEC05.038 TM2481WXCi XPHAU1 UMA 1*256/60/6L/5R_bg_ANCM410 SO256MBII5N60GB5.4KNCB24XTM2481WXCiAAP P

123 Appendix ATM2481WXCiAAP SingaporeLX.TEC05.042 TM2481WXCi XPHWSG21W UMA 1*256/60/6L/5R_bg_ANCM410 SO256MBII5N60GB5.4KNCB24XTM2481WXCiTWN GCTWN LX.T

Appendix A 124TM2482NWXCiEMEA Middle EastLX.TEC0C.037 TM2482NWXCi LINPUSAR7 UMA 1*256/40/6L/5R_bg_ANCM420 SO256MBII5N40GB4.2KNCB24XTM2482NWXCiEMEA Mid

125 Appendix ATM2482WXMiEMEA Norway LX.TEC06.029 TM2482WXMi XPPNO1 UMA 1*512/80/6L/5R_bg_ANCM420 SO512MBII5N80GB5.4KNSM8XTM2482WXMiEMEA Middle EastLX.

Appendix A 126TravelMate 3260 SeriesFor discrete modelsModel RO Country Acer Part no Description CPU Memory HDD(GB) ODDTM3261ANWXMiAAP SingaporeLX.TDY

127 Appendix ATM3261AWXMiAAP Thailand LX.TDY05.003 TM3261AWXMi XPHTH2 G72MV128 1*512/120/BT/6L/5R_bg_ANCDT2050 SO512MBII5N120GB5.4KNSM8XTM3261AWXMiAAP

Appendix A 128For UMA modelsTM3260AWXMChina China LX.TDY05.017 TM3260AWXM XPHSC7 G72MV128 1*256/80/6L/5R_ANCST1350 SO256MBII5N80GB5.4KNSM8XTM3260AWXMC

129 Appendix ATM3261AWXMiPA ACLA-SpanishLX.TEA05.003 TM3261AWXMi XPHES1 UMA 2*512/100/6L/5R_abg_ANCDT2050 SO512MBII5N100GB5.4KNSM8XTM3261AWXMiPA ACLA-

Appendix A 130TM3262WXCiAAP Malaysia LX.TEA06.002 TM3262WXCi XPPMA2 UMA 1*512/60/BT/6L/5R_abg_ANCDT2300ESO512MBII5N60GB5.4KNCB24XTM3262WXMiAAP Philipp

131 Appendix ATravelMate 3270 SeriesFor discrete modelsModel RO Country Acer Part no Description CPU Memory HDD(GB) ODDTM3273WXMiChina China LX.TF705.

6 Chapter 1Bottom ViewNOTE: This is engineering sample. The image above may not be exactly the same as the real main board you get.1 CN9 DOCKING 17 CN

Appendix A 132TM3273WXMiAAP Malaysia LX.TF705.011 TM3273WXMi XPHMA2 G72MV128C 2*512/120/BT/6L/5R_abg_1.3C_ANC2DT5500SO512MBII5N120GB5.4KNSM8XTM3273WXM

133 Appendix AFor UMATM3273WXMiPA ACLA-SpanishLX.TF705.007 TM3273WXMi XPHES1 G72MV128C 2*512/120/BT/6L/5R_abg_1.3C_ANC2DT5500SO512MBII5N120GB5.4KNSM8X

Appendix A 134TM3273WXMiAAP Australia/New ZealandLX.TFA05.001 TM3273WXMi XPHAU1 UMA 1*512/100/6L/5R_abg_ANC2DT5500SO512MBII5N100GB5.4KNSM8XTM3273WXMiA

135 Appendix ATM3273WXCiEMEA Spain LX.TFA06.009 TM3273WXCi XPPESA UMA 1*512/60/6L/5R_abg_ANC2DT5500SO512MBII5N60GB5.4KNCB24XTM3273WXCiEMEA Israel LX.T

Appendix A 136TM3273WXCiEMEA UK LX.TFA06.001 TM3273WXCi XPPUK1 UMA 1*512/60/6L/5R_abg_ANC2DT5500SO512MBII5N60GB5.4KNCB24XTM3273WXCiEMEA Turkey LX.TFA0

Appendix B 137This computer’s compatibility is tested and verified by Acer’s internal testing department. All of its system functions are tested under

138 Appendix BMicrosoft® Windows® XP Pro Environment TestItem SpecificationCRT Port TestCRT Monitor View Sonic E72f 17" PerfectFlat color CRT Are

Appendix B 139USB 2.0-Scanner Logitech QuickCam IM(USB2.0 )1394 Port Test1394-HDD Istyle Combo alumiunm external box1394-Cable 1394 4 to 4 CablePCMCIA

140 Appendix BMicrosoft® Windows® XP Home Environment TestItem SpecificationCRT Port TestCRT Monitor View Sonic E72f 17" PerfectFlat color CRT Ar

Appendix B 141USB 2.0-Scanner Logitech QuickCam IM(USB2.0 )1394 Port Test1394-HDD Istyle Combo alumiunm external box1394-Cable 1394 4 to 4 CablePCMCIA

Chapter 1 7Jumper Settings/Clear BIOS Password Procedures1. Please see the bottom side of the main board. 2. Find G1 jumper and short the jumper to cl

142 Appendix B

Appendix C 143This section describes online technical support services available to help you repair your Acer Systems.If you are a distributor, dealer

144 Appendix C

Index 145AAFLASH Utility 59Audio 41BBattery Pack 69BIOS 36package 36password control 36ROM size 36ROM type 36vendor 36Version 36BIOS Supports protocol

146 IndexSecond Level Cache 36SystemBlock Diagram 4System Check Procedures 80System Memory 37System Utilities 47TTest Compatible Components 137Top 97T

Index 147

8 Chapter 1Your Acer Notebook tourAfter knowing your computer features, let us show you around your new TravelMate computer.Front View# Icon Item Desc

Chapter 1 9Closed Front View# Icon Item Description1 Latch Locks and release the lid2 Power indicator Indicates the computer’s power status.3 Battery

10 Chapter 1Left View# Icon Item Description1 External display (VGA) portConnects to a display device (e.g., external monitor, LCD projector).2 Ventil

Chapter 1 11Right ViewRear Panel# Icon Item Description1 Optical drive Internal optical drive; accepts CDs or DVDs (slot-load or tray-load depending o

IIRevision HistoryPlease refer to the table below for the updates made on TravelMate 2480/3260//3270 service guide.Date Chapter Updates

12 Chapter 1Bottom PanelIndicatorsThe computer has four easy-to-read status indicators:4 Ethernet (RJ-45) port Connects to an Ethernet 10/100-based ne

Chapter 1 13The front panel indicators are visible even when the computer cover is closed up.NOTE: 1. Charging: The light shows amber when the battery

14 Chapter 1Easy-Launch ButtonsLocated above the keyboard are four buttons. These buttons are called easy-launch buttons. They are: mail Web browser,

Chapter 1 15T Move your finger across the touchpad (2) to move the cursor. T Press the left (1) and right (4) buttons located beneath the touchpad to

16 Chapter 1Using the KeyboardThe keyboard has full-sized keys and an embedded keypad, separate cursor keys, two Windows keys and twelve function keys

Chapter 1 17Hot KeysThe computer employs hotkeys or key combinations to access most of the computer’s controls like sreen brightness, volume output an

18 Chapter 1Special KeyYou can locate the Euro symbol and US dollar sign at the upper-center and/or bottom-right of your keyboard. To ty pe:Fn-F4 Slee

Chapter 1 19The Euro symbol1. Open a text editor or word processor.2. Either directly press the <Euro> symbol at the bottom-right of the keyboar

20 Chapter 1Acer Empowering TechnologyAcer’s innovative Empowering Technology makes it easy for you to access frequently used functions and manage you

Chapter 1 21Acer eNet Management can save network settings for a location to a profile, and automatically switch to the appropriate profile when you m

IIICopyrightCopyright © 2006 by Acer Incorporated. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, sto

22 Chapter 1Acer ePower Management Acer ePower Management features a straightforward user interface. To launch it, select Acer ePower Management fro

Chapter 1 23Battery statusFor real-time battery life estimates based on current usage, referto the panel on the lower left-hand side of the window.For

24 Chapter 1Acer ePresentation ManagementAcer ePresentation Management lets you project your computer’s display to an external device or project using

Chapter 1 25Acer eDataSecurity Management (for selected models)Acer eDataSecurity Management is handy file encryption utility that protexts your fil

26 Chapter 1

Chapter 1 27Acer eLock Management Acer eLock Management is a security utility that allows you to lock your removable data, optical and floppy drives

28 Chapter 1Acer eRecovery Management Acer eRecovery Management is a powerful utility that does away with the need for recovery disks provided by th

Chapter 1 29Acer eSettings Management Acer eSettings Management allows you to inspect hardware specifications and to monitor the system health statu

30 Chapter 1Acer OrbiCamThe Acer OrbiCam is a 1.3 megapixel CMOS camera appropriately mounted on the top of the LCD panel. The camera’s 225-degree erg

Chapter 1 31Rotating the Acer OrbicamThe Acer OrbiCam rotates 225 degrees counterclockwise to achieve the desired angle. Refer to the illustrations be

IVConventionsThe following conventions are used in this manual:SCREEN MESSAGES Denotes actual messages that appear on screen.NOTE Gives bits and piece

32 Chapter 1Click Options to display the Window, Preview, and Folder tabs. Use the options to change the capture window size, preview settings, and th

Chapter 1 33T Device Settings allows you to change the camera brightness, contrast, hue, saturation, sharpness, etc.T Advanced Settings allows you to

34 Chapter 1Using the System UtilitiesNOTE: The system utilities work under Microsoft Windows XP only.Acer GridVista (dual-display compatible)NOTE: Th

Chapter 1 35NOTE: Please ensure that the resolution setting of the second monitor is set to the manufacturer's recommended value.Launch ManagerLa

36 Chapter 1Hardware Specifications and Configurations. ProcessorItem SpecificationCPU typeIntel® Core 2 Duo processor T5500/T5600 (2MB L2 cache, 1.6

Chapter 1 37 Cache size4MB for Intel® Core 2 Duo processor T7200/T7400/T7600 (TravelMate 3260/3270)2MB for Intel® Core 2 Duo processor T5500/T5600 an

38 Chapter 1 NOTE: Above table lists some system memory configurations. You may combine DIMMs with various capacities to form other combinations. On

Chapter 1 39 Bluetooth InterfaceItem SpecificationChipset Built-in ICH7MData throughput 723 bps (full speed data rate)Protocol Bluetooth 1.1 (Upgradea

40 Chapter 1Combo Drive InterfaceItem SpecificationVendor & model name HLDS GCC-4244NPhilips SCB5265Panasonic UJDA770Performance Specification Wit

Chapter 1 41Applicable disc format For PANASONIC UJ-850:Applicable disc formatCD: CD-DA, CD-ROM, CD-ROM XA, PhotoCD (multi-session), Video CD, Cd-Extr

VPrefaceBefore using this information and the product it supports, please read the following general information.1. This Service Guide provides you wi

42 Chapter 1 PackageFCBGA 1466-pin for Intel® 945GM and Intel® 940GMLBGA 533 pin for Nvidia G7300Interface internal PCIE Supports ZV (Zoomed Video) po

Chapter 1 43 Bluetooth Built-in ICH7MWireless 802.11 b+g/Wireless 802.11 a+b+g Built-in ICH7MPCMCIA/1394/ 5 in 1 Card Reader TI PCI8412/PCI6412Audio C

44 Chapter 1Response Time (Optical Rise Time/Fall Time)msec25 (rising+falling) 5/11 16Nominal Input Voltage VDD +3.3V Typ. +3.3V 3.3VTypical Power Con

Chapter 1 45Suspend to RAM (S3) CPU set power downVGA SuspendPCMCIA SuspendAudio Power DownHard Disk Power DownCD-ROM Power DownSuper I/O Low Power mo

46 Chapter 1

Chapter 2 47BIOS Setup UtilityThe BIOS Setup Utility is a hardware configuration program built into your computer’s BIOS (Basic Input/Output System).Y

48 Chapter 2Navigating the BIOS UtilityThere are six menu options: Info., Main, System Devices, Security, Boot, and Exit.Follow these instructions:T T

Chapter 2 49InformationNOTE: The system information is subject to different models.Parameter DescriptionCPU Type This field shows the CPU type and spe

50 Chapter 2MainThe Main screen displays a summary of your computer hardware information, and also includes basic setup parameters. It allows the user

Chapter 2 51The table below describes the parameters in this screen. Settings in boldface are the default and suggested parameter settings.NOTE: The s

VI

52 Chapter 2AdvancedThe Advanced screen displays advanced settings in BIOS.The table below describes the parameters in this screen. Settings in boldfa

Chapter 2 53SecurityThe Security screen contains parameters that help safeguard and protect your computer from unauthorized use.NOTE: Please refer to

54 Chapter 2The table below describes the parameters in this screen. Settings in boldface are the default and suggested parameter settings.NOTE: When

Chapter 2 551. Use the w and y keys to highlight the Set Supervisor Password parameter and press the e key. The Set Password box appears:2. Type the c

56 Chapter 2If the new password and confirm new password strings do not match, the screen will display the following message.

Chapter 2 57BootThis menu allows the user to decide the order of boot devices to load the operating system. Bootable devices includes the distette dri

58 Chapter 2ExitThe Exit screen contains parameters that help safeguard and protect your computer from unauthorized use.The table below describes the

Chapter 2 59BIOS Flash UtilityThe BIOS flash memory update is required for the following conditions:T New versions of system programsT New features or

60 Chapter 2Remove HDD/BIOS UtilityThis section provide you with removing HDD/BIOS method:Remove HDD Password:T If you key in wrong HDD password for t

Chapter 2 61Remove BIOS Password:T If you key in wrong Supervisor Password for three time, “System Disabled” would display on the screen. See the imag

VIITable of ContentsChapter 1 System Specifications 1Features 1System Block Diagram 4Board Layout 5Top View 5Bottom View 6Your Acer Notebook tour 8Fr

62 Chapter 2T If you need to solve BIOS password locked problem, you can run BIOS_PW.EXE1.Key in “bios_pw 14452 0”2. Choose one upper-case stringT Reb

Chapter 2 63

64 Chapter 2

Chapter 3 65This chapter contains step-by-step procedures on how to disassemble the notebook computer for maintenance and troubleshooting.To disassemb

66 Chapter 3General InformationBefore You BeginBefore proceeding with the disassembly procedure, make sure that you do the following:1. Turn off the p

Chapter 3 67Disassembly Procedure FlowchartThe flowchart on the succeeding page gives you a graphic representation on the entire disassembly sequence

68 Chapter 3Screw ListItem Description Part NumberA SCW HEX NYL I#R-40/O#4-40 L5.5 34.00015.081B SCREW MACH WAFER M2*L4 NI 86.00059.220 (PC Card slot

Chapter 3 69Removing the Battery Pack1. Unlock the battery lock.2. Slide the battery latch then remove the battery.

70 Chapter 3Removing the HDD Module/the Memory/the Wireless LAN Card/the Modem Board/the ODD Module and the LCD ModuleRemoving the HDD Module1. Remove

Chapter 3 716. Remove the wireless LAN card from the socket.7. Remove the two screws holidng the modem board to the main board as shown.8. Detach the

VIIITable of ContentsRemoving the HDD Module/the Memory/the Wireless LAN Card/the Modem Board/the ODD Module and the LCD Module 70Removing the HDD Mod

72 Chapter 34. Remove the two screw fastening the keyboard to the upper case.5. Disconnect the microphone cable from the launch board.6. Take out the

Chapter 3 73Disassembling the Main UintSeparating the Main Unit into Upper Case and Lower Case Assembly1. Remove three screws fastening the upper case

74 Chapter 34. Disconnect the microphone cable from the main board.5. Remove the two screws fastening the main board to the lower case.6. Carefully de

Chapter 3 75Disassembling the LCD Module (with video camera) 1. Remove the six screw caps as shown.2. Remove the six screws holding the LCD bezel.3. T

76 Chapter 313. Then remove the left LCD bracket from the LCD.14. Tear off the mylar fastening the LCD cable.15. Disconnect the LCD cable from the LCD

Chapter 3 77Disassembling the External ModulesDisassembling the HDD Module1. Remove two screws holding the HDD bracket.2. Then remove two screws faste

78 Chapter 3

Chapter 4 79Use the following procedure as a guide for computer problems.NOTE: The diagnostic tests are intended to test only Acer products. Non-Acer

80 Chapter 4System Check ProceduresExternal Diskette Drive CheckDo the following to isolate the problem to a controller, driver, or diskette. A write-

Chapter 4 81If any of these devices do not work, reconnect the cable connector and repeat the failing operation. Memory checkMemory errors might stop

Chapter 1 1FeaturesBelow is a brief summary of the computer’s many feature:Platform and memroyT Intel® Centrino® Duo mobile technology, featuringt

82 Chapter 4Check the Power AdapterUnplug the power adapter cable from the computer and measure the output voltage at the plug of the power adapter ca

Chapter 4 83Check the Battery Pack To check the battery pack, do the following:From Software:1. Check out the Power Management in control Panel2. In P

84 Chapter 4Power-On Self-Test (POST) Error Message The POST error message index lists the error message and their possible causes. The most likely ca

Chapter 4 85Index of Error MessagesError Code ListError Codes Error Messages006 Equipment Configuration ErrorCauses:1. CPU BIOS Update Code Mismatch2.

86 Chapter 4Real time clock error RTC batteryRun BIOS Setup Utility to reconfigure system time, then reboot system.System boardPrevious boot incomplet

Chapter 4 87Error Message ListNo beep Error Messages FRU/Action in SequenceNo beep, power-on indicator turns off and LCD is blank.Power source (batter

88 Chapter 4Phoenix BIOS Beep CodesCode Beeps POST Routine Description02h Verify Real Mode03h Disable Non-Maskable Interrupt (NMI)04h Get CPU type06h

Chapter 4 8946h 2-1-2-3 Check ROM copyright notice48h Check video configuration against CMOS49h Initialize PCI bus and devices4Ah Initialize all video

90 Chapter 48Ch Initialize floppy controller8Fh Determine number of ATA drives (optional)90h Initialize hard-disk controllers91h Initialize local-bus

Chapter 4 91D2h Unknown interruptCode BeepsE0h Initialize the chipsetE1h Initialize the bridgeE2h Initialize the CPUE3h Initialize the system timerE4h