Page 2 - Revision History
II Revision History Please refer to the table below for the updates made on Aspire T680 & AcerPower FG service guide. Date Chapter Updates
Page 3 - Copyright
III Copyright Copyright © 2005 by Acer Incorporated. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optica...
Page 4 - Conventions; NOTE
IV Conventions The following conventions are used in this manual: SCREEN MESSAGES Denotes actual messages that appear on screen. NOTE Gives bits and pieces of additional information related to the current topic. WARNING Alerts you to any damage that might result from doing or not doing specific acti...
Page 5 - Preface
V Preface Before using this information and the product it supports, please read the following general information. 1. This Service Guide provides you with all technical information relating to the BASIC CONFIGURATION decided for Acer's "global" product offering. To better fit local market r...
Page 6 - Table of Contents; Chapter 1 System Specifications
VII Table of Contents Chapter 1 System Specifications 1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 7 - Chapter 4 Troubleshooting
VIII Table of Contents Removing the USB Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55Removing the Heatsink and CPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55Removing the System FAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 8 - Overview; System Specifications; Chapter 1
Chapter 1 1 Overview This model is a consumer/ commercial-oriented desktop PC built with latest, high-performance technology for easier and more enjoyable consumer environment. Regarding the “Stable Technology”, we choose Intel Pentium 4 LGA775 (socket T) processor, Intel 915GV+ICH6 (Prescott/ Cedar...
Page 9 - Features
2 Chapter 1 Features CPU T Socket Type : Intel Socket T T Supports Intel Pentium 4 Prescott 775 / FSB 533/800MHz T Supports Intel Celeron Prescott 775 / FSB 533MHz T Pentium 4 2.66GHz ~3.8GHz speed T Celeron D 2.53GHz ~ 3.2GHz T L2 Cache varies with CPU from 1MB to 2MB Chipset T Northbridge: Intel 9...
Page 11 - System LED Definition
4 Chapter 1 System LED Definition System S State Wake-Up devices supported with default setting S1 (Idle) T Power Button : Enabled T PS/2 Keyboard : Enabled T USB Keyboard : Enabled T RTC : Disabled T LAN : Disabled T Modem (Ring) : Disabled S3 (Suspend to RAM) T Power Button : Enabled T PS/2 Keyboa...
Page 13 - Block Diagram
6 Chapter 1 Block Diagram P4 Processor LGA 775 pin INTEL INTEL i915GV 1210pin FC-BGA INTEL ICH6 609pin EBGA BW : 2GB/s (Support Lsoch) DDIMM1: DDR Socket 184P DDIMM2 : DDR Socket 184P USBLAN 8 ports USB4 2 ports USB V2.0 IDE1 40pin Up to Ultra ATA/100 Two IDE Channel AC' 97 & Lan I/F BW : 133MB/...
Page 14 - MainBoard Placement
Page 16 - Aspire T680 Front Panel; Description
Chapter 1 9 Aspire T680 Front Panel NOTE: The specifications above are for reference only. The exact configuration of your PC depends on the model purchased. No. Description No. Description 1 Optical drive 2 Floppy drive 3 Power button 4 Speaker or headphone jack 5 Microphone jack 6 USB ports No. De...
Page 17 - AcerPower FG Front Panel
10 Chapter 1 AcerPower FG Front Panel No. Description 1 Power-Button 2 USB Ports 3 Microphone-in out ( Front ) 4 Speaker-out/Line-out Port 5 CD Reject-Button 6 IR Receriver 7 Optical drive Door 8 3.5 inch Floppy disk drive 9 Floppy drive LED 10 Floppy drive eject button
Page 18 - Rear Panel
Chapter 1 11 Rear Panel No. Description 1 6 audio jacks (7.1 HD audio jack) 2 RJ45 3 USB ports 4 CRT/LCD port 5 Parallel port 6 Serial port 7 PS/2 keyboard 8 PS/2 mouse 9 Power code port 10 SPDIF port 11 Recovery Switch Holder 12 Lock Handle
Page 19 - System Peripherals; Keyboard
12 Chapter 1 System Peripherals The Aspire T670 and AcerPower FE computer consist of the system itself, and system peripherals, like a mouse, keyboard and a set of speakers (optional). This section provides a brief description of the basic system peripherals. Mouse (PS/2 or USB, manufacturing option...
Page 20 - Speakers
Chapter 1 13 Speakers For systems bundled with speakers, before powering on the system, connect the speaker cable to the audio out (external speaker) port on the back panel of the system. For more detailed information about the speakers, please refer to the included operating instructions. NOTE: spe...
Page 21 - Acer eRecovery; Create backup
14 Chapter 1 Acer eRecovery Acer eRecovery is a tool to quickly backup and restore the system. Users can create and save a backup of the current system configuration to hard drive, CD, or DVD. Acer eRecovery consists of the following functions: 1. Create backup 2. Restore from backup 3. Create facto...
Page 23 - Restore without a Recovery CD; Multilingual operating system installation
16 Chapter 1 Acer disc-to-disc recovery Restore without a Recovery CD This recovery process helps you restore the C: drive with the original software content that is installed when you purchase your notebook. Follow the steps below to rebuild your C: drive. (Your C: drive will be reformatted and all...
Page 24 - Hardware Specifications and Configurations
Chapter 1 17 Hardware Specifications and Configurations NOTE: The BIOS can be overwritten/upgraded by using “AFLASH” utility (AFLASH.EXE). System Board Major Chip Item Specification System Core Logic Northbridge : Intel 915GVSouthbridge : Intel ICH6 Super I/O Controller W83627THF LAN Controller ICH6...
Page 28 - IRQ Assignment Map
Chapter 1 21 NOTE: N - Not be used I/O Address Map Hex Range Devices 000-01F020-021040-043060-060061-061070-071080-08F0A0-0A10C0-0DF0F0-0FF170-1771F0-1F7278-27F2F8-2FF378-37F3F0-3F53F6-3F63F7-3F73F8-3FF0CF80CFC778-77A DMA Controller-1Interrupt Controller-1System TimerKeyboard Controller 8742System S...
Page 30 - Jumper Setting
Chapter 1 23 Jumper Setting Jumper Connector Type Description Function CLR_CMOS Header 3*1 Clear CMOS 1-2 Normal (Default) 2-3 Clear CMOS NOTE: Before clear the CMOS, the AC power of powersupply should be removed BIOS_WP Header 3*1 Flash Protect 1-2: Flash (Default) 2-3: Flash Protect BIOS_TBL Heade...
Page 31 - Connector
24 Chapter 1 Connector ATX 1 ATX 12V SYS_FAN Pin Signal Pin Signal 1 +3.3V 13 +3.3V 2 +3.3V 14 -12V 3 COM 15 COM 4 +5V 16 PS_ON 5 COM 17 COM 6 +5V 18 COM 7 COM 19 COM 8 PWR OK 20 -5V 9 5VSB 21 +5V 10 +12V 22 +5V 11 +12V 23 +5V 12 +3.3V 24 COM Illustration Pin Signal Name 1 Ground 2 Ground 3 +12V 4 +...
Page 32 - CPU FAN
Chapter 1 25 CPU FAN F_USB1 F_USB2 CD-IN1 Illustration Pin Signal Name 1 Ground 2 Power +12V 3 SENSE 4 PWM Illustration Pin Signal Name Pin Signal Name 1 USB DUAL VCC 2 DSB UDAL VCC 3 USBP4- 4 USBP5- 5 USBP4+ 6 USBP5+ 7 Ground 8 Ground 9 Key 10 USBOC45# Illustration Pin Signal Name Pin Signal Name 1...
Page 34 - System Utilities; Chapter 2
Chapter 2 27 BIOS (Basic Input and Output System) includes a CMOS SETUP utility which allows user to configure required setting or to active certain system features.The CMOS SETUP saves the configuration in the CMOS SRAM of the mainboard. When the power is turnedoff, the battery on the mainboard sup...
Page 35 - Entering Setup; Parameter; IJKL
28 Chapter 2 Entering Setup Once enter Award BIOS CMOS Setup Utility, the Main Menu (as figure below) will appear on the screen. Use arrow keys to select among the items and press <Enter> to accept or enter the sub-menu. Parameter Description Product Information This page shows the relevant in...
Page 36 - Product Informatoin; Item Help
Chapter 2 29 Product Informatoin Parameter Description Product Name This item lists the product name System S/N This item lists the system serial number Main Board ID This item lists the mainboard ID System BIOS Version This item lists the system BIOS version SMBIOS Version This item lists the syste...
Page 37 - Standard CMOS Features
30 Chapter 2 Standard CMOS Features The following table describes the parameters found in this menu: Parameter Description Options Date Lets you set the date following the weekday-month-day-year format Week : from Sun. to Sat., determined by BIOS and is display onlyMonth : from Jan. through Dec.Day ...
Page 39 - Advanced BIOS Features
32 Chapter 2 Advanced BIOS Features The following screen shows the Advanced BIOS Features: NOTE: “#” System will detect automatically and show up when you install the IntelR Pentium 4 processor with HT Technology. Virous Warning [Disabled] Item Help Silent Boot [Enabled] Menu Level X Configuration T...
Page 41 - Boot Device Priority
34 Chapter 2 Boot Device Priority Parameter Description 1st/2nd/3rd/4th Boot Device Use these four items to select the priority and order of the devices that your system searches for an operating system at start-up time. Boot Device Priority Item Help First Boot Device [1st FLOPPY DRIVE] Second Boot...
Page 42 - Hard Disk Drives
Chapter 2 35 Hard Disk Drives Item Help 1st Drive Menu Level X CMOS Setup Utility-Copyright © 1985-2004, American Megatrends, Inc, Hard Disk Drives KLIJ : Move Enter: Select +/-/: Value F10:Save ESC: Exit F1: General Help F9: Default Settings Hard Disk Drives
Page 43 - Removable Devices
36 Chapter 2 Removable Devices Removable Drives Item Help 1st Drive [1st FLOPPY DRIVE] 2nd Drive [Generic USB SD Rea] Menu Level X 3rd Drive [Generic USB CF Rea] 4th Drive [Generic USB SM Rea] Removable Drives KLIJ : Move Enter: Select +/-/: Value F10:Save ESC: Exit F1: General Help F9: Default Sett...
Page 45 - Advanced Chipset Features
38 Chapter 2 Advanced Chipset Features Parameter Description DRAM Frequency This item determines frequency of DRAM memory. Configure DRAM Timing by SPD Enables you to select the CAS latency time in HCLKs of 2, 2.5, or 3. The value is set at the factory depending on the DRAM installed. Do not change ...
Page 46 - Integrated Peripherals
Chapter 2 39 Integrated Peripherals Parameter Description Option USB 2.0 Controller Enable this item if the system supports USB 2.0 Enabled Disabled USB Function This item is used to enable or disable the on-chip USB Enabled Disabled Legacy USB Support This item allows you to enable or disable Legac...
Page 48 - Power Management Setup
Chapter 2 41 Power Management Setup The Power Management menu lets you configure your system to most effectively save energy while operating in a manner consistent with your own style of computer use. Parameter Description Options ACPI Suspend Type This item specifies the power saving modes for ACPI...
Page 50 - Auto Detect DIMM/PCI ClK; Frequency Control
Chapter 2 43 Frequency Control Parameter Description Option Auto Detect DIMM/PCI Clk When this item is enabled, BIOS will disable the clock signal of free DIMM and PCI slots. Enabled Disabled Spread Spectrun If you enable spread spectrum, it can significantly reduce the EMI (Elector Magnetic Interfe...
Page 51 - PnP/PCI Configuration; PCI/VGA Palette Snoop
44 Chapter 2 PnP/PCI Configuration Parallem Description Option PCI/VGA Palette Snoop Disabled - Data read or written by the CPU is only directed to the PCI VGA device’s palette registers.Enabled - Data read or written by the CPU isdirected to both the PCI VGA device’spalette registers and the ISA VG...
Page 52 - Load Default Settings
Chapter 2 45 Load Default Settings Selecting the field loads the factory defaults for BIOS and Chipset Features which the system automatically detects. X Product Information X PC Health Status X Standard CMOS Features X Frequency Control X Advanced BIOS Features Load Default Settings X Advanced Chip...
Page 53 - PC Health; CPU Shutdown Temperature [90
46 Chapter 2 PC Health The following table describes the parameters found in this menu: Parameter Description CPU Shutdown Temperature Enables you to set the maximum temperature the system can reach before powering down. 60 o C/140 o F 65 o C/149 o F 70 o C/158 o F Disabled SMART FAN Control This op...
Page 54 - Set Supervisor/User Password
Chapter 2 47 Set Supervisor/User Password When this function is selected, the following message appears at the center of the screen to assist you in creating a password. The access rights and permission associated with the Supervisor password are higher than those os a regular User password. The Sup...
Page 56 - Exit Without Saving
Chapter 2 49 Exit Without Saving Highlight this item and press <Enter> to discard any changes that you have made in the Setup Utility and exit the Setup Utility. When the Exit Without Saving dialog box appears, press <Y> to discard changes and exit, or press <N> to return to the ma...
Page 57 - Machine Disassembly and Replacement; Chapter 3
Chapter 3 50 This chapter contains step-by-step procedures on how to disassemble the Aspire T680/AcerPower FG desktop computer for maintenance and troubleshooting. NOTE: The screws for the different components vary in size. During the disassembly process, group the screws with the corresponding comp...
Page 58 - General Information; Before You Begin
Chapter 3 51 General Information Before You Begin Before proceeding with the disassembly procedure, make sure that you do the following: 1. Turn off the power to the system and all peripherals. 2. Unplug the AC adapter and all power and signal cables from the system.
Page 59 - Disassembling the Aspire T680; Opening the Housing; Removing the Front Panel
52 Chapter 3 Disassembling the Aspire T680 Opening the Housing This section tells you how to open the housing cover when you need to install additional components inside the system unit. CAUTION: Before you proceed, make sure that you have turned off the system and all peripherals connected to it. R...
Page 60 - Removing the Cables from Mainboard; Removing the Cables from Devices
53 Removing the Cables from Mainboard 1. Disconnect the SATA cable. 2. Disconnect the Audio cable, two front USB cables (from Right to Left). 3. Disconnect the SATA cable. 4. Disconnect the IDE cables and power cable. 5. Disconnect the SYS fan cable (3pin) and Heatsink cable (4pin). Removing the Cab...
Page 61 - Removing the ODD
54 1. 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 ODD Press the lock following the arrow direction. Then detach ODD from the chassis. Removing the FDD Press the lock following the arrow direction. Then ...
Page 64 - Chapter 4; Troubleshooting
Chapter 4 57 This chapter provides troubleshooting information for the Aspire T680 & AcerPower FG. T Power-On Self-Test (POST) T POST Check Points T POST Error Messages List T Error Symptoms List Chapter 4 Troubleshooting
Page 66 - POST Check Points
Chapter 4 59 POST Check Points When POST executes a task, it uses a series of preset numbers called check point to be latched at port 80h, indicating the stages it is currently running. This latch can be read and shown on a debug board. The following table describes the Acer common tasks carried out...
Page 72 - POST Error Messages List; BIOS Messages
Chapter 4 65 POST Error Messages List If you cannot run the diagnostics program tests but did receive a POST error message, use “POST Error Messages List” to diagnose system problems. If you did not receive any error message, look for a description of your error symptoms in “Error Sympton List”. NOT...
Page 74 - Error Symptoms List; Error Symptom; Diskette Drive
Chapter 4 67 Error Symptoms List NOTE: To diagnose a problem, first find the error symptom in the left column. If directed to a check procedure, replace the FRU indicated in the check procedure. If no check procedure is indicated, the first Action/ FRU listed in right column is the most likely cause...
Page 75 - Hard Disk Drive
68 Chapter 4 Diskette 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. Diskette drive connection/cable 4. Diskette drive 5. System board Diskette drive read/write error. 1. Diskette.2. Ensure the diskette drive is not se...
Page 76 - Audio; Video and Monitor
Chapter 4 69 CD/DVD-ROM drive LED flashes for more than 30 seconds before LED shutting off. Software asks to reinstall disc.Software displays a reading CD/DVD error. 1. CD/DVD-ROM may have dirt or foreign material on it. Check with a known good disc. 2. CD/DVD-ROM is not inserted properly. 3. CD/DVD...
Page 78 - Other Problems
Chapter 4 71 Parallel/Serial Ports Execute “Load BIOS Default Settings” in BIOS Setup to confirm ports presence before diagnosing any parallel/serial ports problems.Serial or parallel port loop-back test failed. 1. Make sure that the LPT# or COM# you test is the same as the setting in BIOS Setup. 2....
Page 79 - Aspire T680 / AcerPower FG; Chapter 5
Chapter 5 72 This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of Aspire T680 / AcerPower FG . Refer to this chapter whenever ordering for parts to repair or for RMA (Return Merchandise Authorization). NOTE: Please note WHEN ORDERING FRU PARTS, that you should ...
Page 80 - Exploded Diagram
