Aspire T680AcerPower FGService Guide
Chapter 1 3AudioT Controller: Intel ICH6T Codec : Realtek ALC880HT Connector support Lin in/ Lin out, Microphone In (front)(Default) T Headphone Out
4 Chapter 1System LED DefinitionSystem S State Wake-Up devices supported with default settingS1 (Idle)T Power Button : EnabledT PS/2 Keyboard : Enabl
Chapter 1 5On-Board ConnectorT Rear I/O ConnectorsT 1 PS/2 Keyboard Port, 1 PS/2 Mouse PortT 1 Parallel Port, 1 Serial PortT 1 VGA PortT 1 10/100/1000
6 Chapter 1Block DiagramP4 ProcessorLGA 775 pinINTELINTELi915GV1210pin FC-BGAINTELICH6609pin EBGABW : 2GB/s (Support Lsoch)DDIMM1: DDR Socket 184PDDIM
Chapter 1 7MainBoard Placement
8 Chapter 1ItemLabel Component1 CPU Socket LGA775 socket for Pentium 4 CPUs2 CPUFAN1 CPU cooling fan connector3 SYS_FAN System fan connector4 DIMM1~4
Chapter 1 9Aspire T680 Front PanelNOTE: The specifications above are for reference only. The exact configuration of your PC depends on the
10 Chapter 1AcerPower FG Front Panel No. Description1 Power-Button2 USB Ports3 Microphone-in out ( Front )4 Speaker-out/Line-out Port5 CD Reject-Butto
Chapter 1 11Rear PanelNo. Description1 6 audio jacks (7.1 HD audio jack)2RJ453 USB ports4 CRT/LCD port5 Parallel port6 Serial port7 PS/2 keyboard8 PS/
12 Chapter 1System Peripherals The Aspire T670 and AcerPower FE computer consist of the system itself, and system peripherals, like a mouse, keyboard
IIRevision HistoryPlease refer to the table below for the updates made on Aspire T680 & AcerPower FG service guide.Date Chapter Updates
Chapter 1 13SpeakersFor systems bundled with speakers, before powering on the system, connect the speaker cable to the audioout (external speaker) por
14 Chapter 1Acer eRecoveryAcer eRecovery is a tool to quickly backup and restore the system. Users can create and save a backup of the current system
Chapter 1 15Re-install bundled software without CDAcer eRecovery stores pre-loaded software internally for easy driver and application re-installation
16 Chapter 1Acer disc-to-disc recoveryRestore without a Recovery CDThis recovery process helps you restore the C: drive with the original software con
Chapter 1 17Hardware Specifications and ConfigurationsNOTE: The BIOS can be overwritten/upgraded by using “AFLASH” utility (AFLASH.EXE).System Board M
18 Chapter 1BIOS Hotkey ListHotkey Function Descriptionc Enter BIOS Setup Utility Press while the system is booting to enter BIOS Setup Utility. Syste
Chapter 1 19Number 40 pin PATA slot 1T Device Type Support HDD, CD-ROM, CD-RW, DVD-ROM,Combo,DVD burnerT Transfer Rate Support PIO 0/1/2/3/4T ATA Mode
20 Chapter 1LANEnabled Enabled Enabled EnabledThermal DesignItem DescriptionThermal DesignT Dynamic FAN speed control by hardware monitor T CPU Over-t
Chapter 1 21NOTE: N - Not be usedI/O Address MapHex Range Devices000-01F020-021040-043060-060061-061070-071080-08F0A0-0A10C0-0DF0F0-0FF170-1771F0-1F72
22 Chapter 1NOTE: N - Not be usedDRQ Assignment MapDRQx System Devices Add-On-Card DevicesDRQ0 N Reserved DRQ1 N Reserved DRQ2 FDD NDRQ3 N Reserved DR
IIICopyrightCopyright © 2005 by Acer Incorporated. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, sto
Chapter 1 23Jumper SettingJumper Connector Type Description Function CLR_CMOS Header 3*1 Clear CMOS 1-2 Normal (Default) 2-3 Clear CMOS NOTE: Before
24 Chapter 1Connector ATX 1 ATX 12VSYS_FANPin Signal Pin Signal 1 +3.3V 13 +3.3V2 +3.3V 14 -12V3COM 15COM4 +5V 16 PS_ON5COM 17COM6 +5V 18 COM7COM 19CO
Chapter 1 25CPU FANF_USB1 F_USB2CD-IN1Illustration Pin Signal Name1 Ground 2 Power +12V3SENSE4PWMIllustration Pin Signal Name Pin Signal Name1 USB DUA
26 Chapter 1F_PANELIllustrationPinSignal Description1 HD LED P Hard Disk LED pull-up (330ohm) to +5V2 FP PWR/SLP MSG LED pull-up (330ohm) to +5V3 H
Chapter 2 27BIOS (Basic Input and Output System) includes a CMOS SETUP utility which allows user to configure required setting or to active certain sy
28 Chapter 2Entering SetupOnce enter Award BIOS CMOS Setup Utility, the Main Menu (as figure below) will appear on the screen.Use arrow keys to select
Chapter 2 29Product InformatoinParameter DescriptionProduct Name This item lists the product nameSystem S/N This item lists the system serial numberMa
30 Chapter 2Standard CMOS FeaturesThe following table describes the parameters found in this menu:Parameter Description OptionsDate Lets you set the
Chapter 2 31 Primary/Secondary/Third Master, SlaveAllows you to configure the hard disk drive connected to the master port of IDE channel. To enter t
32 Chapter 2Advanced BIOS FeaturesThe following screen shows the Advanced BIOS Features:NOTE: “#” System will detect automatically and show up when yo
IVConventionsThe following conventions are used in this manual: SCREEN MESSAGESDenotes actual messages that appear on screen.NOTE Gives bits and piec
Chapter 2 33Parameter Description OptionsVirus Warning This feature allows you to enable the VIRUS warning function for IDE Hard Disk boot sector prot
34 Chapter 2Boot Device PriorityParameter Description1st/2nd/3rd/4th Boot Device Use these four items to select the priority and order of the devices
Chapter 2 35Hard Disk DrivesItem Help1st Drive Menu Level XCMOS Setup Utility-Copyright © 1985-2004, American Megatrends, Inc,Hard Disk Drives KLIJ: M
36 Chapter 2Removable Devices Removable Drives Item Help1st Drive [1st FLOPPY DRIVE]2nd Drive [Generic USB SD Rea] Menu Level X3rd Drive [Generic
Chapter 2 37CD/DVD Drives CD/DVD Drives Item Help1st Drive [HL-DT-ST RW/DVD GC]Menu Level XCMOS Setup Utility-Copyright © 1985-2004, American Megatr
38 Chapter 2Advanced Chipset Features Parameter DescriptionDRAM Frequency This item determines frequency of DRAM memory. Configure DRAM Timing by SPD
Chapter 2 39Integrated Peripherals Parameter Description OptionUSB 2.0 Controller Enable this item if the system supports USB 2.0Enabled Disabled USB
40 Chapter 2Parallel Port Mode Enables you to set data transfer protocol for your parallel port.There are four options: SPP (Standard Parallel Port),
Chapter 2 41Power Management SetupThe Power Management menu lets you configure your system to most effectively save energy while operating in a manner
42 Chapter 2PWRON After PWR-Fail This item enables your computer to automatically restart or return to its former operating status after power returns
VPrefaceBefore using this information and the product it supports, please read the following general information.1. This Service Guide provides you wi
Chapter 2 43Frequency ControlParameter Description OptionAuto Detect DIMM/PCI Clk When this item is enabled, BIOS will disable the clock signal of fre
44 Chapter 2PnP/PCI ConfigurationParallem Description OptionPCI/VGA Palette Snoop Disabled - Data read or written by the CPU is only directed to the
Chapter 2 45Load Default SettingsSelecting the field loads the factory defaults for BIOS and Chipset Features which the system automatically detects.X
46 Chapter 2PC Health The following table describes the parameters found in this menu: Parameter DescriptionCPU Shutdown Temperature Enables you to se
Chapter 2 47Set Supervisor/User PasswordWhen this function is selected, the following message appears at the center of the screen to assist you in cre
48 Chapter 2Save & Exit SetupHighlight this item and press <Enter> to save the changes that you have made in the Setup Utility and exit the
Chapter 2 49Exit Without SavingHighlight this item and press <Enter> to discard any changes that you have made in the Setup Utility and exit the
Chapter 3 50This chapter contains step-by-step procedures on how to disassemble the Aspire T680/AcerPower FG desktop computer for maintenance and trou
Chapter 3 51General InformationBefore You BeginBefore proceeding with the disassembly procedure, make sure that you do the following:1. Turn off the p
52 Chapter 3Disassembling the Aspire T680Opening the HousingThis section tells you how to open the housing cover when you need to install additional c
VIITable of ContentsChapter 1 System Specifications 1Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
53Removing the Cables from Mainboard 1. Disconnect the SATA cable.2. Disconnect the Audio cable, two front USB cables (from Right to Left).3. Disconne
541. Disconnect the IDE cable and power cable from the rear of FDD.2. Disconnect the IDE cable and power cable from the rear of ODD.Removing the ODDPr
55Removing the DIMM1. Pop up the tabs on both side.2. Detach the memory out from the slot.Removing the USB Module1. Remove the one screw.2. Detach the
56Removing the System FAN1. Loosen the four screws.2. Detach the SYS fan from the chassis.Removing the Power Supply1. Disconnect the power supply cabl
Chapter 4 57This chapter provides troubleshooting information for the Aspire T680 & AcerPower FG.T Power-On Self-Test (POST)T POST Check PointsT P
58 Chapter 4Power-On Self-Test (POST) Before the computer can be used, all the components must be tested and initialized, and the operating system mus
Chapter 4 59POST Check PointsWhen POST executes a task, it uses a series of preset numbers called check point to be latched at port 80h, indicating th
60 Chapter 412h Use walking 1’s algorithm to check out interface in CMOS cir-cuitry. Also set real-time clock power status, and then check for overri
Chapter 4 612Ah Reserved2Bh Invoke Video BIOS2Ch Reserved2Dh 1. Initialize double-byte language font (Optional)2. Put information on screen display, i
62 Chapter 44Eh 1. Program MTRR of M1 CPU2. Initialize L2 cache for P6 class CPU & program CPU with proper cacheable range.3. Initialize the APIC
VIIITable of ContentsRemoving the USB Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55Removing the Heatsink and CPU
Chapter 4 636Dh 1. Assign resources to all ISA PnP devices.2. Auto assign ports to onboard COM ports if the correspond-ing item in Setup is set to “Au
64 Chapter 48Bh 1. Invoke all ISA adapter ROMs2. Invoke all PCI ROMs (except VGA)8Ch Reserved8Dh 1. Enable/Disable Parity Check according to CMOS setu
Chapter 4 65POST Error Messages ListIf you cannot run the diagnostics program tests but did receive a POST error message, use “POST Error Messages Lis
66 Chapter 4Floppy Drive(s) Write ProtectedHard Disk Drive(s) Write Protected1. Ensure that the diskette drive is not set to [Write Protected] in the
Chapter 4 67Error Symptoms ListNOTE: To diagnose a problem, first find the error symptom in the left column. If directed to a check procedure, replac
68 Chapter 4Diskette drive does not work. 1. Ensure the diskette drive is not set to None in the Disk Drives of BIOS Setup. 2. Diskette drive power3
Chapter 4 69CD/DVD-ROM drive LED flashes for more than 30 seconds before LED shutting off.Software asks to reinstall disc.Software displays a reading
70 Chapter 4Display problem: - Incorrect colorsNo high intensityMissing, broken, or incorrect charactersBlank monitor(dark)Blank monitor(bright)Distor
Chapter 4 71Parallel/Serial PortsExecute “Load BIOS Default Settings” in BIOS Setup to confirm ports presence before diagnosing any parallel/serial po
Chapter 5 72This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of Aspire T680 / AcerPower FG. Refer to this cha
Chapter 1 1Overview This model is a consumer/ commercial-oriented desktop PC built with latest, high-performance technology for easier and more en
73 Chapter 5Exploded Diagram
2 Chapter 1Features CPU T Socket Type : Intel Socket TT Supports Intel Pentium 4 Prescott 775 / FSB 533/800MHzT Supports Intel Celeron Prescott 775 /
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