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Acer S3811 manual CPUFAN Cooling Fan Power Connectors, Signal Name, Function, SPK Internal speaker

Models: S3811

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CPU_FAN: Cooling Fan Power Connectors

		Pin	Signal Name		Function
	1		GND	System Ground
	2		+12V	Power +12V
	3		Sense	Sensor
	4		PWM	CPU FAN control
SYS_FAN: Cooling Fan Power Connector

		Pin	Signal Name		Function
	1		GND	System Ground
	2		+12V	Power +12V
	3		Sense	Sensor
ATX_POWER:ATX 24-pin Power Connector

		Pin	Signal Name	Pin	Signal Name
		1	+3.3V	13	+3.3V
		2	+3.3V	14	-12V
		3	Ground	15	COM
		4	+5V	16	PS_ON
		5	Ground	17	Ground
		6	+5V	18	Ground
		7	Ground	19	Ground
		8	PWRGD	20	-5V
		9	+5VSB	21	+5V
		10	+12V	22	+5V
		11	+12V	23	+5V
		12	+3.3V	24	Ground

ATX12V: ATX 12V Power Connector

		Pin	Signal Name
		1	Ground
		2	Ground
		3	+12V
		4	+12V
SPK: Internal speaker

	Pin	Signal Name		Pin	Signal Name
	1	Output		2	GND
	3	Output		4	Ground
	5	GND		6	GND
	7	N/A		8	VCC

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Acer S3811 manual CPUFAN Cooling Fan Power Connectors, Signal Name, Function, SYSFAN Cooling Fan Power Connector

Contents

PRINTED IN TAIWAN imedia S3811 Service GuideUpdated Revision HistoryDate ChapterDisclaimer CopyrightSCREEN ConventionsMESSAGES Preface Introducing the Motherboard Introduction Chapter1 Introducing the MotherboardOperating system FeaturesProcessor ChipsetDimensions and weight BIOS FirmwareIntegrated I/O Label Mainboard ComponentsComponent Block Diagram Front view imedia S3811Icon ComponentLights to indicate the status of wireless Rear viewIcon ComponentColor/Use Audio Jack Function TableHeadphone 5.1CHfirst jack is for stereo line-in signal. The second jack is for I/O Port IntroductionComponent DescriptionMouse PS/2 or USB, manufacturing option System PeripheralsKeyboard PS/2 or USB, manufacturing option SpeakersCard Reader Option BIOS Hardware Specifications and ConfigurationsBIOS Hotkey List SpecificationSpecification SpecificationFirst-Level Cache Configurations Second-Level Cache ConfigurationsSpecification Power ManagementSpecification IDE InterfaceDevice Standby Mode Power Management Function ACPI support functionGlobal Standby Mode Suspend ModeAbout the Setup Utility Chapter2 Using BIOSThe Standard Configuration Entering the Setup UtilityCMOS Setup Utility - Copyright C 1985-2010, American Megatrends, Inc Setup Utility Menus+/-/ ：Value F10 ：Save & Exit Setup F9 ：Load Default SettingsYou can download and install updated BIOS for this motherboard from the manufacturer’s Web site. New BIOS provides support for new peripherals, improvements in performance, or fixes for known bugs. Install new BIOS as follows ↑↓→← ： Move Product Information10 54 Standard CMOS FeaturesHard Disk ATAPI CDROMHard Disk DeviceVendor ST3320418ASQuick Boot Enabled Advanced BIOS FeaturesQuiet Boot Enabled ↑↓→← ： Move↑↓→← ： Move uHard Disk Drive Priority Press EnteruOptical Disk Drive Priority D/DVD Drives Press Enter ↑↓→← ： Move1st Drive u Removable Device Priority Press EnterUSB Beep Message Disabled Boot Up NumLock Onu Network Device Priority Press Enter ↑↓→← ： MoveIntel EIST Enabled Advanced Chipset FeaturesIntel Turbo BoostEnabled Intel XD Bit EnabledDisabled Integrated PeripheralsOnboard Graphics Controller ↑↓→← ： MoveDeep Power Off Mode Enabled Power Management SetupPower On by RTC Alarm Disabled Power On by PCIE Devices DisabledRestore On AC Power Loss Last State Enabled PC Health Status↑↓→← ： Move Spread Spectrum Enabled Frequency/Voltage Control↑↓→← ： Move Load Default Settings BIOS Security Features↑↓→← ： Move If you have made settings that you do not want to save, use the “Exit Save & Exit SetupExit Without Saving Wire cutter Phillips screwdriver may require different size Chapter3 Machine Disassembly and ReplacementTo disassemble the computer, you need the following tools Before You Begin General Information1. Opening the chassis Standard Assembly Process2. Removing PSU bracket 4. Removing front bezel 3. Removing HDD bracket3.1 Remove the screw 3.2 Rotate the bracket 4.1 Pushing three hooks4.2 Rotate the front bezel 5. Insert the ODD devices5.1 Pushing HDD devices into bracket 5.2 Fix two screws 6.1 Motherboard view 6.2 Open the CPU cover 6. Setting the Motherboard6.3 Put the CPU in the seat and close the cover 6.6 Fix four screws of CPU Cooler connect to MB 6.4 Tie CPU fan cable 6.5 Pulling in CPU fan power cable to MBDIMM2 DIMM4DIMM3 DIMM18. Insert the system Fan 7. Assembly motherboard7.1 Pushing rear I/O Shield in chassis 7.2 Insert the motherboard and fix six screws8.2 Pushing system fan 8.3 Fix two screw 8.4 Pulling in system fan power cable to MBBack Front9. Pulling in Audio/USB1/CR/PANEL cable to MB and put in cable clip 10. Insert the HDDSATA 2ODD SATA 1HDD 11. Pulling in HDD &ODD SATA cable on MotherboardSATA 2 SATA 12. Insert VGA card 12.3 Install VGA card on motherboard12.1 Rotate the bracket 12.2 Remove PCI slot 13. Insert the PSU 13.3 ATV 12V power cable insert12.4 Rotate the bracket 13.1 Pushing PSU into bracket 13.2 Fix four screwsInsert the ODD power-cable 13.4 ATX power cable insert 13.5 Insert the ODD/HDD power-cableLong for HDD used Short for ODD used 14. Overview 2. Removing the power-supply Standard Disassembly Process2.1 Rotate the power-supply 1. Opening the chassis2.4 Remove four screws 2.3 Pulling out the ODD power-cable and HDD power-cableHDD Cable ODD Cable 3. Pulling out the SATA ODD cable and SATA HDD cable4. Removing the HDD 4.2 Rotate the bracket 4.3 Remove four screws FrontBack4.4 Remove the HDD 6. Pulling out the Audio/USB1/CR/PANEL cable 5. Removing the VGA Card5.1 Rotate the bracket 5.2 Remove the VGA Card 7.1 Pulling out the system Fan cable 7.2 Remove two screws 7. Removing system Fan7.3 Remove system Fan 8. Removing the Main Board 8.2 Remove the Rear IO Shield 8.3 Remove the RTC battery8.1 Remove eight screws then you can pull out MB and remove it 8.5 Remove the four CPU Cooler screws 8.6 Remove the CPU 8.4 Pulling out the CPU cooler power-cable from the main board8.7 Release the four latch show bellow then remove the Memory 9. Removing front bezel9.1 Pushing three hooks 9.2 Rotate the front bezel 11. Removing the ODD bracket 10. Removing the ODD10.1 remove two screws 10.2 Pulling out the ODD 11.1 Remove five screws12.1 Removing top bezel Pushing the hooks 12.2 Removing Cable-Tie 11.2 Removing the ODD bracketFront 12.3 Pushing the Cable 12.4 Removing power switch & HDD-LED holderBack 12.5 Pulling out HDD LED cable12.7 Removing HDD led housing 12.6 Removing power switch & HDD led cablePower-On Self-Test POST POST Error Messages List Error Symptoms List Chapter4 Machine Disassembly and ReplacementUndetermined Problems Power-On Self-Test POST KB-5 Initializes DMAC-1 & DMAC-2 needed BIOS Messages POST Error Messages ListAction/FRU Action/FRU BIOS MessagesThis message usually indicates that one or more keys have been pressed during the Error Symptom Error Symptoms ListAction/FRU Processor / Processor FanPCI modem, make sure Wake up by PCI card is set to Enabled Error SymptomAction/FRU CD/DVD-ROM DrivePower Supply Error SymptomAction/FRU Video and MonitorOther Problems Error Symptomthe system. Only pressing power switch No system power, or power supply fan isUndetermined Problems Safety Precautions Chapter5 Jumper and Connector InformationInstalling the Motherboard in a Case Choosing a Computer CaseSetting Jumpers Checking Jumper SettingsThis illustration shows a 3-pin jumper. Pins 1 and 2 are SHORT Do not over-tighten the screws as this can stress the motherboardJumper Settings Checking Jumper SettingsSetting Default MEENABLEConnecting 24-pin power cable Connecting Case Components24-pin power cable Signal Name CPUFAN Cooling Fan Power ConnectorsSYSFAN Cooling Fan Power Connector Signal NameSignal Name Signal NamePower/Sleep/Message waiting LED Reset SwitchInstalling the Processor Installing HardwareBefore installing the Processor 2. DO NOT remove the CPU cap from the socket before installing a CPU CPU Installation Procedure3. Return Material Authorization RMA requests will be accepted only if the motherboard comes with the cap on the LGA1156 socketInstallation Procedure Installing Memory ModulesDDR3 SDRAM memory module table MemorySATA power cable optional Installing Serial ATA Hard DrivesSATA cable optional PCIE1X1 Slot Installing Add-on CardsFollow these instructions to install an add-on card Signal Name Connecting Optional DevicesSignal Name GPIO1~2 Button recovery jumperSignal Name SATA 1~4 Serial ATA connectorsSignal Name Signal NameChassisP5-15L w/ card reader ME BOM Chapter6 FRU Field Replaceable Unit List Exploded DiagramDescription DescriptionPage Description ChassisP5-15L w/o card reader ME BOMDescription Page The FRU list will be updated later FRU List

CPU_FAN: Cooling Fan Power Connectors

Signal Name

SYS_FAN: Cooling Fan Power Connector

ATX_POWER:ATX 24-pin Power Connector

ATX12V: ATX 12V Power Connector

SPK: Internal speaker