Acer M3920 manual Connecting Case Components, CPUFAN1 CPU Cooling Fan Power Connector

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Connecting Case Components

After you have installed the motherboard into a case, you can begin connecting themotherboard components. Refer to the following:

1.Connect the CPU cooling fan cable to CPUFAN1.

2.Connect the standard power supply connector to PWR2.

3.Connect the case switches and indicator LEDs to the LEDH1.

4.Connect the auxiliary case power supply connector to PWR1.

CPUFAN1: CPU Cooling Fan Power Connector

Pin

Signal Name

Function

 

 

 

1

GND

System ground

 

 

 

2

+12V

Power +12V

 

 

 

3

Sense

Sensor

 

 

 

4

PWM

PWM

 

 

 

Chapter 5

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Contents Acer Aspire M3920 Service Guide Revision History Copyright Disclaimer Conventions Service Guide Coverage Table of Contents Table of Contents Component Description Features and SpecificationsAudio Aspect Description Device Standby ModeGlobal Standby Mode Suspend ModeComponent Front ViewRear View Chapter System Utilities Navigating Through the Setup Utility Entering Cmos setupSetup Utility Menus Main menu displays basic information about the system MainAdvanced Miscellaneous Dvmt Advanced Chipset ConfigurationAhci Integrated PeripheralsPC Health Status Power Security Setting a system passwordLAN Boot OptionsSave Changes ExitChapter System Disassembly Removing the Side Panel Removing the Heatsink Fan Assembly Removing the Processor Page Removing the VGA Card Removing the Mode Card Removing the Memory Modules Removing the TV CardRemoving the Hard Disk Drive Chapter Page Removing the USB Board Page Chapter Removing the Front Bezel Chapter Removing the Optical Drive Chapter Removing the Removable HDD Chapter Page Chapter Removing the Card Reader Chapter Page Removing the Power Supply Page Removing the Mainboard Page Press the I/O shield to remove it Remove the RTC battery System Troubleshooting Power System Check System External InspectionSystem Internal Inspection Beep Codes Viewing Bios checkpoints Bootblock Initialization Code CheckpointsCheckpoints System is waking from Acpi S3 state Checkpoint Description Bootblock Recovery Code CheckpointsBios Recovery Chapter System Architecture Label Description Mainboard LayoutJumper Type Description Setting default Picture Jumper SettingHeader Name Function Definition Internal header pin definitionConnector Name Function Definition Connector pin definition Sata Conn Pin Signal Name Connecting Optional DevicesUSBF1~4 Front Panel USB headers Pin Signal Name FunctionCPUFAN1 CPU Cooling Fan Power Connector Connecting Case ComponentsPWR2 ATX 24-pin Power Connector PWR1 ATX 12V Power ConnectorFront Panel Header FRU Field Replaceable Unit List Aspire M3920 Exploded Diagram Board AccessoryCable Card LSI Universal Modem PCI-ECASE/COVER/BRACKET AssemblyCPU/PROCESSOR Combo ModuleHeatsink DVD-RW DriveFAN HDD/HARD Disk DriveKeyboard Keyboard KIT 105KEY RF2.4 LITE-ON KB&MS Pack RF Keyboard KIT 106KEY RF2.4 LITE-ON KB&MS Pack RF Keyboard KIT 105KEY RF2.4 Primax KB&MS Pack RF Keyboard KIT 104KEY RF2.4 Primax KB&MS Pack RF Keyboard 105KEY USB LITE-ON SK KB SK-9621B USB KB36211 Black Portuguese USB 105KS Black Keyboard 105KEY USB Primax KB Primax KB36211 Black US 104K Black US Keyboard 104KEY PS/2 LITE-ON SK Black Thailand 104K Black Keyboard 105KEY PS/2 LITE-ON SK Black Slovenian 105K Black Keyboard 105KEY PS/2 LITE-ON SK KB36111 Black US PS2 104KS Black Keyboard 104KEY PS/2 Primax KB36111 Black Belgium 105K Black Keyboard 105KEY PS/2 Primax Pointing Device MainboardMemory Speaker Power Supply