Acer M3900 manual Removing the USB Board of Rear Panel

Page 47

Removing the USB Board of Rear Panel

1.Release these cable from Cable clip.

2.Disconnector the USB cable from the motherboard.

3.Remove the screw that secures the USB board bracket to the chassis.

Chapter 3

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Contents Acer Aspire M3900 Service Guide Revision History Copyright Disclaimer Conventions Service Guide Coverage Table of Contents FRU Field Replaceable Unit List Chapter FeaturesOptical disk On-Board Graphic solutionAudio Hard diskTotal I/O ports USB portsExtension slot Power supply System BiosBlock Diagram Front Panel System ComponentsRear Panel Main Board Major Chips Hardware Specifications and ConfigurationsIOS Hotkey List Audio Interface Memory CombinationsSystem Memory Environmental Requirements Power ManagementSata Interface USB PortSuspend Mode Power Management FunctionACPI support functionDevice Standby Mode Global Standby ModeSystem Utilities Cmos Setup UtilityNavigating Through the Setup Utility Entering Cmos setupParameter Description Setup Utility MenusProduct Information Parameter Description Option Standard Cmos FeaturesEnabled Advanced Bios FeatureAdvanced Chipset Features Integrated Peripherals Power Management Setup PC Health Status Frequency/Voltage Control Setting a supervisor password Bios Security FeaturesLoad Default Settings Save & Exit Setup Exit Without Saving Disassembly Requirements System DisassemblyPre-disassembly Procedure Removing the Side Panel Removing the Heat Sink Fan Assembly Page Removing the Processor Removing the VGA Card Removing the TV Card Removing the Mode Card Removing the Memory Modules Removing the Hard Disk Drive Chapter Removing the USB Board of Rear Panel Chapter Removing the Front Bezel Pull the bezel away from the chassis Removing the Optical Drive Chapter Removing the Removable HDD Chapter Page Removing the Power Supply Lift the power supply module out of the chassis Chapter Removing the Card Reader Pull the card reader out of chassis Chapter Removing the Mainboard Page System Troubleshooting System Internal Inspection Power System CheckSystem External Inspection Beep Codes Checkpoints Viewing Bios checkpointsBootblock Initialization Code Checkpoints System is waking from Acpi S3 state Checkpoint Description Bootblock Recovery Code CheckpointsBios Recovery Placement Jumper and Connector InformationLabel Description Internal header pin definition Jumper SettingSetting Jumper Front USB Header USBVCC1 Connector Name Function Definition Connector pin definitionSATA1TXP SATA1TXN ATX12V Conn FRU Field Replaceable Unit List Aspire M3900 Exploded DiagramAM350-ASSY Aspire M3900 Exploded DiagramAM351-ASSY Components Model Name or Key Spec Acer P/N Aspire M3900 FRU ListCPU VGA NV GT330 2GB DDR2 DVI+HDMI+VGA ATX Samsung Geforce 310 512MB DDR2 Samsung 64BITS VGA DVI Hdmi Components Model Name or Key Spec Acer P/N