Acer Power ST Aspire T300 Service Guide
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- Acer Power ST | Aspire T300 Service Guide - Page 1
Aspire T300/Power ST Service Guide Service guide files and updates are available on the AIPG/CSD web; for more information, please refer to http://csd.acer.com.tw PRINTED IN TAIWAN - Acer Power ST | Aspire T300 Service Guide - Page 2
Revision History Please refer to the table below for the updates made on Aspire T300/Power ST service guide. Date Chapter Updates II - Acer Power ST | Aspire T300 Service Guide - Page 3
, manual or otherwise, without the prior written permission of Acer Incorporated. Disclaimer The information in this guide is subject to change without notice. Acer Incorporated makes no representations or warranties, either expressed or implied, with respect to the contents hereof and specifically - Acer Power ST | Aspire T300 Service Guide - Page 4
additional information related to the current topic. Alerts you to any damage that might result from doing or not doing specific actions. Gives precautionary measures to avoid possible hardware or software problems. Reminds you to do specific actions relevant to the accomplishment of procedures. IV - Acer Power ST | Aspire T300 Service Guide - Page 5
(e.g. add-on card, modem, or extra memory capability). These LOCALIZED FEATURES will NOT be covered in this generic service guide. In such is made, it will not be noted in the printed Service Guide. For ACER-AUTHORIZED SERVICE PROVIDERS, your Acer office may have a DIFFERENT part number code to those - Acer Power ST | Aspire T300 Service Guide - Page 6
VI - Acer Power ST | Aspire T300 Service Guide - Page 7
Chapter 1 System Specifications Overview The Aspire T300/Power ST supports Intel Pentium 4 Northwood based micro-ATX, IBM PC/AT compatible system with PCI/AGP bus. NOTE: Aspire T300/Power ST supports Intel's HT (Hyper-Threading) Technology. Chapter 1 1 - Acer Power ST | Aspire T300 Service Guide - Page 8
pin IDE slot Slot Quantity: 2 Transfer rate support: T PIO Mode: 0/1/2/3/4 T Ultra DMA 66/100/133 Storage Type support: T HDD/CD-ROM/CD-RW/DVD T Zip 250 ATA-100 transfer rate Audio T T T T T Embedded RealTek 201A audio codec with 16-bit Sound Blaster compatibility Chip (Additional): AC97 Codec, 20 - Acer Power ST | Aspire T300 Service Guide - Page 9
(front) Transfer Rate: T USB 2.0/1.1 BIOS T T T 4MB Award BIOS with Plug and Play BIOS ACPI, SMBIOS 2.3, Green and Boot Block. Provides DMI 2.0, WFM 2.0, WOL, WOR, chassis intrusion and SM Bus for system management. Others T T T Suspend to RAM/Disk PC2001 Compliant Support PS2 Keyboard/Mouse and - Acer Power ST | Aspire T300 Service Guide - Page 10
Front Panel The computer's front panel consists of the following: 1 2 3 4 5 8 6 7 Label 1 2 3 4 5 6 7 8 Description CD-ROM/DVD-ROM/CD-RW Drive FDD Drive Power Button Power LED HDD LED Speaker/Headphone jack Microphone-in jack USB ports 4 Chapter 1 - Acer Power ST | Aspire T300 Service Guide - Page 11
1 2 3 4 5 8 6 7 Label 1 2 3 4 5 6 7 8 Description CD-ROM/DVD-ROM/CD-RW Drive FDD Drive Power Button Power LED HDD LED Speaker/Headphone jack Microphone-in jack USB ports Chapter 1 5 - Acer Power ST | Aspire T300 Service Guide - Page 12
Aspire T300 & Power ST) consists of the following: Label 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Description Power Socket Voltage Setting Switch (only available in some area) PS/2 Keyboard Port COM1/Serial Port VGA Port Speaker / Headphone Jack Line-in Jack Microphone-in Jack USB Ports Extension Card - Acer Power ST | Aspire T300 Service Guide - Page 13
Aspire T300/Power ST Main Board Layout Mainboard Components RETENTION MODULE Description Accelerated Graphic Port Power Connector Front audio connector Three volt realtime clock battery Case fan connector 1 Primary CD-in connector Secondary CD-in connector Communications Networking Riser slot Micro - Acer Power ST | Aspire T300 Service Guide - Page 14
Label JP3 LED1 PANEL1 PCI1~PCI3 PWRFAN1 SPEAKER1 USB2 USB3 WOL1 WOM1 Description BIOS protection jumper Memory module LED Connector for case front panel awitches and LED indicators Three 32-bit add-on card slots Case fan connector 2 Speaker connector Front panel USB headers Front panel USB headers - Acer Power ST | Aspire T300 Service Guide - Page 15
can be detected by the system without setting any jumper. BIOS Item BIOS code programmer BIOS version BIOS ROM type BIOS ROM size BIOS ROM package Support protocol Boot from CD-ROM feature Support to LS-120 drive Support to BIOS boot block feature Specification Award v6.0 Flash ROM 2MB 32-pin DIP - Acer Power ST | Aspire T300 Service Guide - Page 16
L2 Cache RAM type L2 Cache RAM size L2 Cache RAM speed L2 Cache RAM voltage L2 Cache function control L2 Cache scheme Specification Enable/Disable by BIOS Setup PBSRAM 512-KB One-half the processor core clock frequency Enable/Disable by BIOS Setup Fixed in write-back Video Memory Memory size - Acer Power ST | Aspire T300 Service Guide - Page 17
Compatibility Music synthesizer Specification SiS 651 AC'97 Enable/disable by BIOS Setup Stereo 20 bits Sound Blaster Pro/16 compatible Mixed digital and analog high performance chip Enhanced stereo full duplex operation High performance audio accelerator and AC'97 support Full native DOS - Acer Power ST | Aspire T300 Service Guide - Page 18
Port Item Serial port controller Serial port controller resident bus Number of serial port 16550 UART support Connector type Optional serial port I/O address (via BIOS Setup) Specification SiS 962 ISA bus 2 Yes 9-pin D-type female connector COM1: 2F8h, 3E8h, 2E8h COM2: 3E8h, 3F8h, 2F8h 12 Chapter - Acer Power ST | Aspire T300 Service Guide - Page 19
32KBytes 96Kbytes 64Kbytes Size 64Kbytes Function Host Memory Host/PCI Memory PCI/ISA Video Buffer Memory Video BIOS Memory ISA Card BIOS & Buffer Memory BIOS Extension Memory Setup and Post Memory PCI Development BIOS System BIOS Memory Main Memory PCI Memory PCI INTx# and IDSEL Assignment Map - Acer Power ST | Aspire T300 Service Guide - Page 20
Controller-1 System Timer Keyboard Controller 8742 System Speaker CMOS RAM Address and Real Time Clock DMA Page Register Interrupt Controller Primary IDE Secondary IDE NOTE: N - Not be used Add-On-Card Devices N N N Reserved Reserved Reserved Reserved Reserved N Reserved Reserved Reserved - Acer Power ST | Aspire T300 Service Guide - Page 21
Card Devices Reserved Reserved N Reserved N Reserved Reserved Reserved Main Board Major Chips Item System core logic Video controller Super I/O controller Audio Operating Non-operating Vibration Operating (unpacked) Non-operating (packed) Specifications +10 ~ +35°C -20 ~ +60°C (Storage package - Acer Power ST | Aspire T300 Service Guide - Page 22
Switching Power Supply 200W 50MHz 60MHz Input Frequency 47MHz to 53MHz 57MHz to 63MHz Frequency Variation Range Input Voltage 100 - 120 VRMS 200 - 240 VRMS 90 - 132 VRMS 180 - 264 VRMS Variation Range Input Current 4A 2A 90 -132 VRMS 180 - 264 VRMS Measuring Range Output Requirements +5V - Acer Power ST | Aspire T300 Service Guide - Page 23
minute). T Hard disk drive goes into Standby mode (for ATA standard interface). T Disable V-sync to control the VESA DPMS monitor. T Resume method: device activated (Keyboard for DOS, keyboard & mouse for Windows). T Resume recovery time: 3-5 sec. Global Standby Mode T Global power management timer - Acer Power ST | Aspire T300 Service Guide - Page 24
18 Chapter 1 - Acer Power ST | Aspire T300 Service Guide - Page 25
the computer unless you get a Run Setup message. The Setup program loads configuration values into the battery-backed nonvolatile memory called CMOS RAM. This memory area is not part of the system RAM. NOTE: If you repeatedly receive Run Setup messages, the battery may be bad/flat. In this case, the - Acer Power ST | Aspire T300 Service Guide - Page 26
Entering Setup Power on the computer abd the system will start POST (Power On Self Test)prosecc. When the message of "Press DEL to enter SETUP" appears on the screen, press the key of [Delete] to enter the setup menu. NOTE: If the message disappears before you respond and you still wish to enter - Acer Power ST | Aspire T300 Service Guide - Page 27
grayed items on the screens have fixed settings and are not user-configurable. NOTE: Due to the application of a new version of BIOS Setup program, you may find the BIOS menu is largely different from the former models. However, you will soon find out that this version is much more compact than - Acer Power ST | Aspire T300 Service Guide - Page 28
you select Product Information from the main menu: The Product Information menu contains general data about the system, such as the product name, serial number, BIOS version, etc. These information is necessary for troubleshooting (maybe required when asking for technical support). 22 Chapter 2 - Acer Power ST | Aspire T300 Service Guide - Page 29
table describes the parameters found in this menu: Parameter Product Name System S/N Main Board ID Main Board S/N System BIOS Version SMBIOS version System BIOS ID BIOS Release Date Description Displays the model name of your system. Displays your system's serial number. Displays the main board - Acer Power ST | Aspire T300 Service Guide - Page 30
basic parameters in your system. The following screen shows the Standard CMOS Features menu: The following table describes the parameters channel 1. To enter the IDE Primary Master setup, press [Enter]. The IDE CD-ROM is always automatically detected. Allows you to configure the hard disk drive - Acer Power ST | Aspire T300 Service Guide - Page 31
3 is the standard Japanese floppy drive mode. Supported by the BIOS, the selected diskette drive can read 720KB, 1.2MB and 1.44MB on a 3.5" diskette. Disabled, Enabled. Video This item specifies the type of video card in use. The default setting is VGA/EGA. Since current PCs use VGA only, this - Acer Power ST | Aspire T300 Service Guide - Page 32
Sector Description Auto-detects your hard disk drive Options Press [Enter] Display the type of device installed. Selects the HDD access mode Shows the size of your Shows your hard disk's number of sectors Auto None Manual Auto Large LBA CHS xxxxx MB 0 to 65535 0 to 255 0 to 65535 0 to - Acer Power ST | Aspire T300 Service Guide - Page 33
enabled and any attempt to write data into this area is made, BIOS will display a warning message on screen and beep. This parameter speeds Disable this sequence ). The sequence following the order of HDD, Floppy and CD-ROM is recommended. This parameter allows you to specify the system Enabled - Acer Power ST | Aspire T300 Service Guide - Page 34
memory. When the default value Fast is selected, the Gate A20 is controlled by port 92 or chipset specific Specifies the type of BIOS password protection with PC2001 design guide, the system Specification) version to be used for 1.1 the operating system. You need to select the MPS version supported - Acer Power ST | Aspire T300 Service Guide - Page 35
Advanced Chipset Features The advanced cipset features setup option is used to change the values of the chipset registers. These registers control most of the system options in the computer. NOTE: Change these settings only if you are familiar with the chipset. Advanced DRAM Control Press [Enter] - Acer Power ST | Aspire T300 Service Guide - Page 36
timings programmed into this register are dependent on the system design. Slower rates may be required in certain system designs to support loose layouts or slower memory. When synchronous DRAM is installed, the number of clock cycles of CAS latency depends on the DRAM timing. Options Normal Mode - Acer Power ST | Aspire T300 Service Guide - Page 37
/s. If your hard disk performance becomes unstable, you may manually try the slower mode. Auto, mode 1, mode 2, audio device. Disabled System Share Memory Size For SiS650 chipset, the system shares memory to the onboard VGA card. This setting controls the exact memory size shared to the VGA card - Acer Power ST | Aspire T300 Service Guide - Page 38
Parameter USB Keyboard Support USB Mouse Support Onboard LAN function Onboard LAN Boot ROM IDE HDD Block Mode Onboard FDC Controller Description Options This item lets you enable or disable the USB keyboard driver within the onboard BIOS. The keyboard driver simulates legacy keyboard command and - Acer Power ST | Aspire T300 Service Guide - Page 39
ACPI Function ACPI Suspend Type Description Options This item is operating system is ACPIaware, such as Windows 98SE/2000/Me, select Enabled. Enabled memory and wake-capable devices and all system context is saved to main memory. The information stored in memory will be used to restore the PC - Acer Power ST | Aspire T300 Service Guide - Page 40
Video Off Option Video Off Method Modem Use IRQ HDD Power Down Soft-off by PWR-BTTN Aftrer PC Power Lost Power On by Ring Wake-Up by PCI Card mode. Enabled Use PCI Wake-up system. PCI must meet PCI Disabled 2.2 specification. Enabled Use this option to set the date and time for your computer to - Acer Power ST | Aspire T300 Service Guide - Page 41
Resources Controlled By IRQ Resources PCI/VGA Palette Snoop Description Options Selecting "Enabled BIOS can automatically configure all of the boot and Plug and Play compatible devices. You can also set it as Manual and go into each of the sub menu to choose specific resources. Auto (ESCD) Manual - Acer Power ST | Aspire T300 Service Guide - Page 42
PC Health Status The following table describes the parameters found in this menu: Parameter Shutdown Temperature Current System/CPU Temperature, CPU/ System fan, Vcore, ect. Description - Acer Power ST | Aspire T300 Service Guide - Page 43
Manual, end users can 8x to 50x choose a suitable ratioto support the CPU. This option allows you to enable/disable the feature of auto detecting the clock frequency of the installed DIMM/PCI bus. Enabled Disabled When the motherboard you do not have any EMI problem, leave the setting at Disabled - Acer Power ST | Aspire T300 Service Guide - Page 44
Settings The default settings are the default values set by the mainboard manufacturer specifically for optimal performance of the mainboard. When you select the item, a message as below appears: Pressing Y (Yes) loads the BIOS default values for the most stable system performance. 38 Chapter 2 - Acer Power ST | Aspire T300 Service Guide - Page 45
password, a message as below will appear on the screen: At the prompt, type your password. Your password can be up to six characters in length. After typing the password, press "Enter". At the next prompt, re-type your password and press "Enter" again to confirm the new password. After the - Acer Power ST | Aspire T300 Service Guide - Page 46
If you select Set User Password, a message as below will appear: At the prompt, type your password. Your password can be up to six characters in length. After typing the password, press "Enter". At the next prompt, re-type your password and press "Enter" again to confirm the new password. After the - Acer Power ST | Aspire T300 Service Guide - Page 47
Save & Exit Setup/Exit Without Saving If you select Save and Exit Setup, you will exit the BIOS utility. The following dialogue box will appear. Select Y (Yes) to exit Setup. Select N (No) to return to the main menu. If you select Exit Without - Acer Power ST | Aspire T300 Service Guide - Page 48
42 Chapter 2 - Acer Power ST | Aspire T300 Service Guide - Page 49
Chapter 3 Machine Disassembly and Replacement Aspire T300/Power ST shares the same chassis with Aspire B300. For machine disassembly video, please refer to B300 Service CD. To disassemble the computer, you need the following tools: T Wrist grounding strap and conductive mat for preventing - Acer Power ST | Aspire T300 Service Guide - Page 50
General Information Before You Begin Before proceeding with the disassenbly 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. 44 Chapter 3 - Acer Power ST | Aspire T300 Service Guide - Page 51
gives you a graphical representation on the entire disassembly sequence and instructs you on the components that need to be removed during servicing. Main Unit Top Cover CD ROM Power Supply Modem Card VGA Card Memory Heatsink Floppy/HDD Cage Front Bezel Daughter Board Bracket CPU Mainboard - Acer Power ST | Aspire T300 Service Guide - Page 52
Standard Disassembly Procedure This section tells you how to disassemble the system when you need to perform system service. CAUTION: 3. Slide out the top cover. Removing the CD-ROM/CD-RW Drive 1. Disconnect the power cable, the ribbon cable and then the CD-in cable. 2. Remove the screws as shown here - Acer Power ST | Aspire T300 Service Guide - Page 53
Removing the Front Panel 1. Disconnect the cables by following the order of: 2. Untie the magnetic ring. 3. Release the latches as shown here. 4. Remove the Front Bezel. Removing the HDD/Floppy Cage 1. Disconnect the power connector to the floppy and then the ribbon cable. 2. Disconnect the power - Acer Power ST | Aspire T300 Service Guide - Page 54
4. Turn the cage to 90 degrees, and then remove the cage. Detaching the Daughter Board 1. Remove the screw as shown here. 2. Remove the daughter board bracket. 3. Remove the two screws as shown here. 4. Detach the daughter board from the bracket. 48 Chapter 3 - Acer Power ST | Aspire T300 Service Guide - Page 55
Troubleshooting This chapter provides troubleshooting information for the Acer T300/Power ST: T Power-On Self-Test (POST) T Index of Error Messages T Index of Error Codes and Error Beeps T Index of Error Symptoms T Undetermined Problems Chapter 4 Chapter 4 49 - Acer Power ST | Aspire T300 Service Guide - Page 56
transparent to the user. The Power-On Self Test (POST) is a BIOS procedure that boots the system, initializes and diagnoses the system components, and memory subsystem T Direct Memory Access (DMA) controller T Interrupt system T Three programmable timers T ROM subsystem T RAM subsystem T RTC RAM - Acer Power ST | Aspire T300 Service Guide - Page 57
a debug board. The following table describes the Acer common tasks carried out by POST. A unique memory • Auto-detection of DRAM size, type and ECC. • Auto-detection of L2 cache (socket 7 or below) Expand compressed BIOS code to DRAM Call chipset hook to copy BIOS back to E000 & F000 shadow RAM - Acer Power ST | Aspire T300 Service Guide - Page 58
26h 27h 28h Description Auto detect flash type to load appropriate flash R/W codes into the run time area in F000 for ESCD & DMI support. Reserved Use walking 1's algorithm to Enumerate PCI bus number • Assign memory & I/O resource • Search for a valid VGA device & VGA BIOS, and put it into C000:0 - Acer Power ST | Aspire T300 Service Guide - Page 59
48h 49h Description 1. Program CPU internal MTRR (P6 & PII) for 0-640K memory address. 2. Initialize the APIC for Pentium class CPU 3. Program early chipset Video BIOS Reserved 1. Initialize double-byte language font (Optional) 2. Put information on screen display, including Award title, CPU type - Acer Power ST | Aspire T300 Service Guide - Page 60
case the cacheable ranges between each CPU are not identical. Reserved Initialize USB Keyboard & Mouse Reserved Test all memory (clear all extended memory to 0) Clear password according to H/W jumper (Optional) Reserved Display number of processors (multi-processor platform) Reserved 1. Display PnP - Acer Power ST | Aspire T300 Service Guide - Page 61
ports Reserved Reserved Detect & install co-processor Reserved Init HDD write protect Reserved Reserved Switch back to text mode if full screen logo is supported. - If errors occur, report errors & wait for keys - If no errors occur or F1 key is pressed to continue: Clear EPA or customization logo - Acer Power ST | Aspire T300 Service Guide - Page 62
92h 93h 94h 95h 96h FFh Description Reserved NET PC: Build SYSID structure Reserved 1. Assign IRQs to PCI devices. 2. Set up ACPI table at top of the memory. Reserved 1. Invoke all ISA adapter ROMs 2. Invoke all PCI ROMs (except VGA) Reserved 1. Enable/Disable Parity Check according to CMOS setup - Acer Power ST | Aspire T300 Service Guide - Page 63
List" to diagnose system problems. If you did not Memory module 3. System board 1. Re-connect PS/2 keyboard and mouse. 2. Enter BIOS Setup and load the default settings. 3. PS/2 keyboard 4. PS/2 mouse 5. System board 1. Enter BIOS Setup and load the default settings. 2. Remove all adapter cards - Acer Power ST | Aspire T300 Service Guide - Page 64
BIOS Messages IRQ Setting Error Expansion ROM Allocation Fail I/O Resource Conflict(s) Memory Resource Conflict(s) PCI Device the system. 3. Remove all adapter cards that are NOT factoryinstalled, then reboot the system 1. Load default settings in Setup. 2. Enter BIOS Setup and set the Reset Resource - Acer Power ST | Aspire T300 Service Guide - Page 65
timer set in BIOS has elapsed. 1. Enter BIOS Setup and load default settings. In Windows 98, check settings in Power Management Property of Control Panel. 2. Reload software from Recovery CD. System hangs before system boot. 1. See "Index of Symptoms" 2. See "Undetermined Problems" System hangs - Acer Power ST | Aspire T300 Service Guide - Page 66
of hard disk LED connector. 2. Hard drive LED cable. CD/DVD-ROM Drive NOTE: Ensure CD/DVD-ROM drive is configured correctly in BIOS Setup, cable/jumper are set correctly and its laser beam is clean before diagnosing any CD/DVD-ROM drive problems. CD/DVD-ROM drive LED doesn't come on but works - Acer Power ST | Aspire T300 Service Guide - Page 67
output. (Data files are received normally; voice from modem cannot be produced, but system sound feature works normally.) Video memory test failed. Video adapter failed. Display problem: - Incorrect colors No high intensity Missing, broken, or incorrect characters Blank monitor(dark) Blank monitor - Acer Power ST | Aspire T300 Service Guide - Page 68
BIOS Setup. 2. Loop-back. 3. System board. Printing failed. 1. Ensure the printer driver is properly installed. Refer to the printer service manual. 2. Printer. 3. Printer cable. 4. System board. Printer problems. 1. Refer to the service manual software from Recovery CD. No system power, or - Acer Power ST | Aspire T300 Service Guide - Page 69
Chapter 5 Jumper and Connector Information Aspire T300/APST Jumpers and Connectors Refer to the following figure for the location of the jumpers and connectors on the main board: Mainboard Components RETENTION MODULE - Acer Power ST | Aspire T300 Service Guide - Page 70
Front audio connector Case fan connector 2 Three volt realtime clock battery Case fan connector 1 Primary CD-in connector Secondary CD-in Clear CMOS jumper BIOS protection jumper Memory module LED Connector for case front panel switches and LED indicators Three 32-bit add-on card slots Case fan - Acer Power ST | Aspire T300 Service Guide - Page 71
Use the mainboard jumpers to set system configuration options. Jumpers with more than one pin are numbered. When setting the jumpers, ensure that the jumper caps are placed on the correct pins. The illustrations below show a 2-pin jumper. When the jumper cap is placed on both pins, the jumper is - Acer Power ST | Aspire T300 Service Guide - Page 72
Jumper Settings Jumper Type Description JP1 3-pin Clear CMOS Setting (default) 1-2: Normal 2-3: Clear JP1 1 JP3 3-pin BIOS protect 1-2: Write Protect Disabled 2-3: Write Protect Enabled JP3 1 Jumper 1 - Jumper 3 - Enables you to clear the BIOS. Follow these instructions: 1. Turn the - Acer Power ST | Aspire T300 Service Guide - Page 73
the printed Service Guide. For ACER-AUTHORIZED SERVICE PROVIDERS, your Acer office may service of customer machines. The Spare Parts List System has been available (http://aicsl.acer.com.tw/spl/). Please log in the system regularly to collect the most-updated information. If you do not own a specific - Acer Power ST | Aspire T300 Service Guide - Page 74
68 Chapter 6