Aspire Digital AX1400 manual Mainboard Layout, This section shows the major mainboard components

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Mainboard Layout

This section shows the major mainboard components.

No.	Label	Description	No.	Label	Description

1	U1	CPU socket	12	PCIEX16	PCIEX16 Slot

2	CPUFAN1	CPU cooling fan connector	13	PCIEX1	PCIEX1 36-pin slot

3	DIMM1-2	DDR3 240-pin slots	14	U2	ALC662

4	U23	ITE 8758	15	AUDJACK2	Line in/Line Out/MIC

5	PWR2	Standard 24-pin power connector	16	USBLAN1	RJ45+USB connector

6	SATA1-2	Serial ATA connectors	17	USBR1	USB-A 8P connector

7	DEBUGH1	12-pin DEBUG port	18	VGA1	VGA connector

8	LEDH1	12-pin power cable header	19	PWR1	ATX 4-pin connector

9	USBF 2-3	Front panel USB header	20	KBMSCONN1	Keyboard and mouse connectors

10	USBF 1	Front panel card reader header	21	JBIOS1	Clear CMOS jumper

11	AUDIOF1	Front panel audio jack header

68	Aspire AX1400 Service Guide

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Contents Aspire AX1400 Desktop Computer Service Guide Revision History Copyright Conventions Service Guide Coverage Aspire AX1400 Service Guide Table of Contents Index System Features Component DescriptionPorts and LED Indicators AudioEnvironmental Requirements Physical SpecificationsAspect Description System Tour Front ViewRear View ComponentAspire AX1400 Service Guide Cmos Setup Utility System UtilitiesAccessing the Setup Utility Setup Utility Menus Navigating through the Setup UtilityKey Function Product Information Field DescriptionStandard Cmos Features Field Description ValueAdvanced Bios Features EnabledAdvanced Chipset Features AutoIntegrated Peripherals Power Management Setup S3 STRPC Health Status Frequency/Voltage Control Bios Security Features Setting a system passwordTo set a system password Load Default Settings Save & Exit SetupExit Without Saving Aspire AX1400 Service Guide Disassembly Tools Pre-disassembly ProcedureDisassembly Procedures Removing the Side PanelRemoving the Front Bezel Removing the Heat Sink Fan Assembly Removing the Processor Removing the HDD-ODD Bracket Removing the Optical Drive and the Hard Disk Drive Page Page Page Removing the Front Bezel Removing the Expansion Boards Page Removing the Memory Modules Page Removing the Front I/O and Optional Card Reader Assemblies Page Page Page Page Removing the Mainboard Page Hardware Diagnostic Procedure System Check ProceduresPower System Check System External InspectionViewing Bios Checkpoints Boot Block Initialization Code CheckpointsCheckpoints System Internal InspectionBoot Block Recovery Code Checkpoints Post Code Checkpoints Mid Post initialization of chipset registers Post Error Messages Post Error IndicatorsDIM Code Checkpoints Memory Message DescriptionStorage Device Message Description Virus-related Cmos Message Displayed DescriptionIndex of Symptom-to-FRU Error Messages Hard Disk Drive-related Symptoms Symptom/Error Action/FRU Optical Disc Drive-related Symptoms Symptom/Error Action/FRUReal-Time Clock-related Symptoms Symptom/Error Action/FRU Audio-related Symptoms Symptom/Error Action/FRUModem-related Symptoms Symptom/Error Action/FRU Video and Monitor-related Symptoms Symptom/Error Action/FRUKeyboard-related Symptoms Symptom/Error Action/FRU Printer-related Symptoms Symptom/Error Action/FRUPower Supply-related Symptoms Symptom/Error Action/FRU Beep Codes Beep Status Possible CausesCreating the Bios Crisis Recovery Disk Bios RecoveryPerforming a Bios Recovery Bios Update Updating the Bios in DOS ModeUpdating the Bios in Windows Mode Click Start Command Prompt Run as administratorPress Enter to flash the system Bios Page Clearing Cmos To clear the Cmos dataBlock Diagram System ArchitectureMainboard Layout This section shows the major mainboard componentsJumper Setting Jumper Type Description Setting defaultInternal header pin definition Header Name Function DefinitionConnector pin definition Connecting Optional Devices Pin Signal NamePin Signal Name Function AUDIOF1 Front Panel Audio headerConnecting Case Components CPUFAN1 CPU Cooling Fan Power ConnectorPWR1 ATX 12V Power Connector PWR2 ATX 24-pin Power ConnectorFront Panel Header Aspire AX1400 Service Guide Exploded Diagram Field Replaceable Unit FRU ListAspire AX1400 FRU List Category Part Name Description Acer Part NoCASE/COVER/BRACKET Front IO Bracket Brkt F-IO Boxer CPU/PROCESSOR CPU AMD Phenomii X 3 700E IC CPU Phenomii X WD10EADS-22M4B0 8MB GP Keyboard Keyboard PS/2 105 KEY KB Chicony KB-0759 Keyboard Keyboard PS/2 104 KEY KB Chicony KB-0759 Keyboard Keyboard PS2 105 KEY Keyboard PS2 SK-9620 Keyboard Keyboard PS/2 104 KEY Pointing Device Logitech 0810PS2 Mouse PS2 OPT Aspire AX1400 Service Guide Processor ChipsetsMemory Hard Disk DriveCard Reader optional Optical Disc DriveGigabit Ethernet Power Supply Unit Power ManagementAspire AX1400 Service Guide Bios IndexBeep codes 60 checkpoints 48 error messages