Acer 250 manual Audio Interface, Video Interface, Video Memory, 8MB

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Combo Drive Interface

Item	Specification

Applicable disc format	CD:
	CD-DA, CD-ROM, CD-ROM XA, CD-R, CD-RW, PhotoCD (multiSession),
	Video CD, CD-Extra(CD+), CD-text
	DVD: DVD-ROM, DVD-R, DVD-RW (Ver.1.1)

Slope	15 degree (Any direction)

Dimensions, Weight	128X129X12.7mm (WXDXH)
	(except protrusion)
	200g+- 10g

Eject	Soft Eject (with emergency eject hole)

Audio Interface

Item	Specification

Audio Controller	Cirrus Logic CS4299-XQ

Audio onboard or optional	Built-in

Mono or Stereo	Stereo

Resolution	20 bit stereo Digital to Analog converter
	18 bit stereo Analog to Digital converter

Compatibility	Microsoft PC98/PC99, AC97 2.1

Mixed sound source	Line-in, CD, Video, AUX

Voice channel	8/16 bit, mono/stereo

Sampling rate	44.1 KHz

Internal microphone	Yes

Internal speaker / Quantity	Yes

Supports PnP DMA channel	DMA channel 0
	DMA channel 1

Supports PnP IRQ	IRQ10, IRQ11

Video Interface

Item	Specification

Vendor & Model Name	Intel 845GME (Montara-GT)

Chip voltage	Core / 2.5V, 1.5V,

Supports ZV (Zoomed Video) port	NO

Graph interface	4X AGP (Accelerated Graphic Port) Bus

Maximum resolution (LCD)	1024 x768 (32bit colors)

Maximum resolution (CRT)	1024x768 (32 bit colors)
	1280x1024 (32 bit colors)
	1600x1200 (32 bit colors)

Video Memory

Item	Specification

Fixed or upgradeable	Fixed, share the system memory

Video memory size	8MB

Chapter 1

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Image 34

Contents Acer TravelMate 240/250 Series Date Chapter Updates Revision HistoryCopyright DisclaimerConventions Screen messagesPreface Page Table of Contents Appendix C Online Support Information 146 Index 148 Table of Contents Features System IntroductionDisplay System Block Diagram ICH4-MBoard Layout Top ViewBottom View Panel Front PanelDescription Left PanelIcon Item/ Port Description Icon Item/ Port Description Right Panel Rear Panel Icon Port DescriptionBottom Panel Indicators Icon Function DescriptionUnderstanding the icons Special keys KeyboardLock key Description Desired access Num lock on Num lock off Keys DescriptionHot Keys Click on the language tab and click on Details Launch Keys Processor for TravelMate Hardware Specifications and ConfigurationsSystem Board Major Chips Second Level Cache0MB System MemoryMemory Combinations DDR-DRAMFloppy Disk Drive Interface LAN InterfaceModem Interface MFMHard Disk Drive Interface Items SpecificationCD-ROM Interface IDE DVD-ROM InterfaceDVD-9/DVD-R Combo Drive Interface Video Memory Audio InterfaceVideo Interface 8MBUSB Port Video Resolutions ModeParallel Port Pcmcia PortAPI BatteryDC-DC/Charger Converter SimploTX38D85VC1CAB DC-AC LCD InverterAC Adapter TFTHibernation Mode Power ManagementPower Saving Mode Phenomenon Standby Mode System Hibernation timer expiresEnvironmental Requirements Mechanical SpecificationMemory Address Map FEC10000-FEC1FFFF Address MapFEBFFC00-FEBFFFFF FF000000-FFFFFFFFAddress Map Interrupt Channel Function IRQ Assignment MapDMA Channel Assignment DMA Channel FunctionBios Setup Utility System UtilitiesNavigating the Bios Utility Information Parameter DescriptionMain Parameter Description Format/Option IRQ7/IRQ5 AdvancedParameter Description Options DMA3/DMA1Security Clear or Set Parameter Description OptionRemoving a Password Chapter Boot Exit Bios Flash Utility System Diagnostic DisketteChapter Machine Disassembly and Replacement General Information Before You BeginDisassembly Procedure Flowchart HDDScrew List Removing the Battery Removing the Memory Module Removing the Modem Board Removing the Hard Disk Drive Module Disassembling the Hard Disk Drive ModuleRemoving the Middle Cover Removing the LCD ModuleRemoving the Launch Board Removing the LCD Module Chapter Removing the LCD Bezel Disassembling the LCD ModuleRemoving the Inverter Board 15 LCD Removing the 15 TFT LCD Removing the LCD BracketsRemoving the LCD Coaxial Cable Removing the LCD HingesPage Removing the Keyboard Removing the RTC BatteryDisassembling the Main Unit Removing the MimiPCI Card PlateRemoving the Thermal Module Removing the ProcessorInstalling the Processor Removing the Upper Case AssemlyRemoving the Touchpad Board Removing the Touchpad CableRemoving the Floppy Disk Drive Module Dissembling the Floppy Disk Drive ModuleRemoving the VGA Heatsink Plate Removing the CPU Heatsink PlateRemoving the ODD Module2 Removing the ODD Module1Removing the HDD Bracket Removing the Main Board Removing the DC BoardRemoving the I/O Port Bracket Removing the Pcmcia SlotRemoving the Speaker Set System Upgrade Procedure Base Unit to Wireless UnitInstalling the Pcmcia Slot Installing the Speaker SetInstalling the DC Board Installing the Main BoardInstalling the HDD Bracket Installing the ODD ModuleInstalling the CPU Heatsink Plate Installing the VGA Heatsink PlateInstalling the Touchpad Cable Installing the Floppy Disk Drive ModuleInstalling the Touchpad Board Installing the Upper Case Assemly Installing the Thermal Module Installing the MimiPCI Card Plate Installing the RTC Battery Installing the KeyboardPage Installing the LCD Brackets Installing the LCD HingesInstalling the LCD Coaxial Cable Assembling the LCD ModuleInstalling the 15 TFT LCD Installing the Inverter Board 15 LCDInstalling the LCD Bezel Page Installing the LCD Module Installing the LCD ModuleInstalling the Launch Board Installing the Middle Cover TravelMate 240 Installing the Hard Disk Drive Module Removing the Modem Board Installing the Memory Module Installing the Battery 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 IDNo beep Error Messages FRU/Action in Sequence CRTPost Codes Code Beeps Post Routine DescriptionChapter 104 Code Beeps Post Routine Description Code Beeps For Boot Block in Flash ROM 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 SymptomsKeyboard/Touchpad-Related Symptoms Peripheral-Related SymptomsModem-Related Symptoms Intermittent Problems Undetermined Problems DimmJumper and Connector Locations LOUT1 LIN1FAN1 SW1 RJ1SW1 Settings 115 TravelMate 240 FRU Field Replaceable Unit List TravelMate 240/250 Exploded Diagram MAH Simplo W/ Cover Battery LI-ION 8CELL 2.0 MAH RTC BatteryBattery Module LI-ION 8CELL Wireless LAN Board 802.11BModem Board 56K Ambit Cover Switch CableLaunch Board Touchpad CableOptical Drive Support Switch Cable & Touchpad ModuleHinge CAP Left Bracket HDD BracketTouchpad Cover Wireless Antenna RightBlack Wireless Antenna Left Middle Cove W/LAUNCHFDD Drive 1.44M MCI JU FDD Module 1.44M MCI JUFDD Module 1.44M Mitsumi FDD Drive 1.44M MitsumiSeagate ST94011A Moraga IC25N040ATMR04-0Toshiba Neptune MK4021GAS Fujitsu V-40 MHT2040ATNSK-AC602 Taiwan Keyboard 85KEY Darfon Keyboard 84KEY DarfonNSK-AC61D US-INT Keyboard 84KEY Darfon NSK-AC60S Spanish Keyboard 84KEY DarfonLCD Coaxial Cable Modem & Modem Cable Pcmcia Slot & RTC BatteryInverter Cable LCD Panel W/HINGE & LogoLCD Screw Rubber Lower Touchpad KnobLCD Screw Rubber Upper Rubber FootMemory DDR333 512MB Elpedia W30256AAEPI652A Memory DDR333 256MBMocron MT8VDDT3264HDG Infineon HYS64D64020GBDL-6Chapter 128 129 TravelMate 240/250 Model Battery Wireless NumberModel Name Definition Memory131 TravelMate 240 Test Compatible Components Microsoft Windows XP Environment Test SpecificationsXGA TFT Simplo BTP-58A1 Assy BTY PK LI+2.0MAH 8C Option QSI SBW-242Isdn Pcmcia Pcmcia ATA Pcmcia USB PCMCIA-SCSIMicrosoft Windows 2000 Environment Test Appendix B 138 139 TravelMate 240/250 Appendix B 140 Microsoft Windows 98 Environment Test Appendix B 142 143 TravelMate 240/250 Appendix B 144 145 TravelMate 240/250 Online Support Information 147 Index Pcmcia Windows 98 Environment Test Index 150

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