Acer Aspire X3950 Service Guide
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Acer Aspire X3950 manual content summary:
- Acer Aspire X3950 | Service Guide - Page 1
Acer Aspire X3950/X5950 Service Guide PRINTED IN TAIWAN - Acer Aspire X3950 | Service Guide - Page 2
Revision History Please refer to the table below for the updates made on this service guide. Date Chapter Updates ii - Acer Aspire X3950 | Service Guide - Page 3
© 2010 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, optical, chemical, manual or - Acer Aspire X3950 | Service Guide - Page 4
of all necessary servicing, repair, and any incidental or consequential damages resulting from any defect in the software. Acer is a registered trademark of Acer Corporation. Intel is a registered trademark of Intel Corporation. Pentium Dual-Core, Celeron Dual-Core, Core 2 Duo, Core 2 Quad, Celeron - Acer Aspire X3950 | Service Guide - Page 5
. WARNING CAUTION IMPORTANT Alerts you to any physical risk or system 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. v - Acer Aspire X3950 | Service Guide - Page 6
(e.g. add-on card, modem, or extra memory capability). These LOCALIZED FEATURES will NOT be covered in this generic service guide. In part number change 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 - Acer Aspire X3950 | Service Guide - Page 7
the Optical Drive 36 Removing the Hard Disk Drive 39 Removing the Power Supply 40 Removing the Memory Modules 42 Removing an Expansion Card 43 Removing the Front I/O and Card Reader Boards 46 Removing the Mainboard 49 Removing the Top Bezel 51 System Troubleshooting 53 Hardware - Acer Aspire X3950 | Service Guide - Page 8
-to-FRU Error Message 67 BIOS Recovery 72 Undetermined Problems 74 System Block Diagram and Board Layout 75 System Block Diagram 75 Mainboard Layout 76 FRU (Field Replaceable Unit) List 79 Exploded Diagram 80 X3950 FRU List 82 X5950 FRU List 90 Technical Specifications 93 viii - Acer Aspire X3950 | Service Guide - Page 9
® Core™ i3-530/540 processor Intel Core i5-650/660/661/670/750 processor Intel Core i7-860/870 processor Intel Pentium G6950 processor Chipset Intel P55 Express chipset Memory subsystem Four DDR3-800/1066/1333 MHz DIMM sockets Supports single channel or dual-channel memory mode Maximum - Acer Aspire X3950 | Service Guide - Page 10
Premium X86 Windows 7 Home Basic X86, FreeDOS Linux LL95 Applications Acer eRecovery Management Acrobat Reader Acrobat Flash Player Arcade Deluxe Cyberlink Power Director McAfee Internet Security MyWinLocker Microsoft Works Nero 9 Essentials Power supply 220-watts (115 - Acer Aspire X3950 | Service Guide - Page 11
I/O cover Microphone-in jack Headphone/Speaker-out/line-out jack CF I/II (CompactFlash Type I/II) slot Media card reader Drive bay door eject button Press to open drive bay door and access the optical drive. Optical drive bay door HDD activity indicator Power button/power indicator Chapter 1 3 - Acer Aspire X3950 | Service Guide - Page 12
I/O cover Microphone-in jack Headphone/Speaker-out/line-out jack CF I/II (CompactFlash Type I/II) slot Media card reader Drive bay door eject button Press to open drive bay door and access the optical drive. Optical drive bay door HDD activity indicator Power button/power indicator 4 Chapter 1 - Acer Aspire X3950 | Service Guide - Page 13
port (10/100/1000 Mbps) Key hole Lock slot Power connector Power supply (Photo shows PFC power supply) PS2 keyboard port PS2 mouse port HDMI port VGA/monitor port USB 2.0 ports Microphone/speaker-out/line-in jack Line-out jack Expansion slot (Photo shows graphics card and network card) Chapter 1 5 - Acer Aspire X3950 | Service Guide - Page 14
Internal Components No. Component 1 Optical drive 2 Memory 3 Expansion cards 4 Mainboard 5 Heatsink fan assembly 6 Power supply 6 Chapter 1 - Acer Aspire X3950 | Service Guide - Page 15
System LED Indicators This section describes the different system LED indicators. LED indicator Power HDD activity LAN activity LAN port network speed LED (left) LAN port network connection LED (right) Color Blue Blue - Blue Blue Amber Green - Green LED status On Blinking Off Blinking Blinking - Acer Aspire X3950 | Service Guide - Page 16
8 Chapter 1 - Acer Aspire X3950 | Service Guide - Page 17
nonvolatile memory called CMOS RAM. This memory area is not part of the system RAM which allows configuration data to be retained when power is will be simply referred to as "BIOS", "Setup", or "Setup utility" in this guide. The screenshots used in this guide display default system values. These - Acer Aspire X3950 | Service Guide - Page 18
End - Move the cursor to the last page of a multiple page menu. + and - keys - Select a value for the currently selected field (only if it is user-configurable). Press these keys repeatedly to display each possible entry, or the Enter key to choose from a pop-up menu. NOTE: Grayed-out fields are - Acer Aspire X3950 | Service Guide - Page 19
2010, American Megatrends, Inc. ► Product Information ► Standard CMOS Features ► Advanced BIOS Features ► Advanced Chipset Features ► Integrated Peripherals ► Power Management Setup ► PC Health Status ► Frequency/Voltage Control ► BIOS Security Features Load Default Settings Save & Exit Setup Exit - Acer Aspire X3950 | Service Guide - Page 20
, American Megatrends, Inc. Product Information Processor Type Intel (R) Core(TM) i5 CPU 650 @ 3.20GHz Processor Speed 3.20GHz System Memory 2048MB Product Name xxxxxxx System Serial Number xxxxxxxxxxxxxxxxxxxxxx System BIOS Version xxx-xx BIOS Release Date 03/22/2010 Asset Tag Number - Acer Aspire X3950 | Service Guide - Page 21
Features Standard CMOS Features Help Item System Date System Time ► AHCI Port 1 ► AHCI Port 2 Halt On [Fri 01/01/2010] [21:14:49] [Hard Disk] [Not Detected] [All, But Keyboard] Use [ENTER] , [TAB] or [SHIFT-TAB] to select a field. Use [+] or [-] to configure system Date. Parameter System Date - Acer Aspire X3950 | Service Guide - Page 22
► Optical Disk Drive Priority ► Removable Device Priority ► Network Device Priority Bootup Num-Lock USB Beep Message [Enabled] [Enabled] [HDD:P0-Hitachi HDT] [CD/DVD] [USB: PEN] [LAN] [Press Enter] [Press Enter] [Press Enter] [Press Enter] [On] [Disabled] Allows BIOS to skip certain tests while - Acer Aspire X3950 | Service Guide - Page 23
Parameter Intel EIST Intel Turbo Boost Intel AES-NI Intel XD Bit Intel VT Memory Hole Remapping Primary Video Video Memory Size DVMT Mode DVMT/Fixed Memory Size Description When enabled, this feature allows the OS to reduce power consumption. When disabled, the system operates at maximum CPU speed - Acer Aspire X3950 | Service Guide - Page 24
, Inc. Integrated Peripherals Integrated Peripherals Help Item Onboard SATA Controller Onboard SATA Mode Onboard USB Controller Legacy USB Support Onboard Graphics Controller Onboard Audio Controller Onboard LAN Controller Onboard LAN Option ROM [Enabled] [AHCI] [Enabled] [Enabled] [Auto - Acer Aspire X3950 | Service Guide - Page 25
. Wake Up by USB KB/Mouse Enables or disables to wake up the system from a power saving mode using a USB keyboard or mouse. Restore On AC Power Loss Enables or disables the system to reboot after a power failure or interrupt occurs. Option S3 (STR) S1 (POS) Enabled Disabled Enabled Disabled Enabled - Acer Aspire X3950 | Service Guide - Page 26
1985-2010, American Megatrends, Inc. PC Health Status PC Health Status Help Item CPU Temperature (PECI Mode) System Temperature CPU Fan Speed System Fan Speed :23 :44oC/111oF :1015 RPM :N/A Disabled Enabled CPU Core +1.1V +3.30V +5.00V +12.0V 5VSB VBAT :1.176 V :1.116 V :3.346 V :5.040 V :11 - Acer Aspire X3950 | Service Guide - Page 27
CMOS Setup Utility - Copyright © 1985-2010, American Megatrends, Inc. Frequency/Voltage Control Frequency/Voltage Control Help Item Clock to All DIMM/PCI/PCIE Spread Spectrum [Enabled] [Enabled] Enable Clock to All DIMM/PCI/PCIE. :Move Enter:Select F1:General Help +/-/: - Acer Aspire X3950 | Service Guide - Page 28
Change Supervisor Password Description Indicates the status of the supervisor password. Indicates the status of the user password. Supervisor password prevents unauthorized access to the BIOS Setup Utility. Press Enter to change the Supervisor password. Setting a system password 1. Use the up/down - Acer Aspire X3950 | Service Guide - Page 29
Removing a system password 1. Use the up/down arrow keys to select password parameter (Change Supervisor Password) menu then press Enter. 2. Enter the current password then press Enter. 3. Press Enter twice without entering anything in the password fields. Chapter 2 21 - Acer Aspire X3950 | Service Guide - Page 30
for all BIOS setup parameters. Setup defaults are quite demanding in terms of resources consumption. If you are using low-speed memory chips or Frequency/Voltage Control ► Advanced BIOS Features ► Advanced Chipset Features ► Integrated Peripherals ► Power Management Setup ► BIOS Security Features - Acer Aspire X3950 | Service Guide - Page 31
CMOS Features ► Frequency/Voltage Control ► Advanced BIOS Features ► BIOS Security Features ► Advanced Chipset Features Load Default Settings ► Integrated Peripherals Save configuration changeSsavaend&eExixtitseSteutpu?p ► Power - Acer Aspire X3950 | Service Guide - Page 32
Standard CMOS Features ► Frequency/Voltage Control ► Advanced BIOS Features ► BIOS Security Features ► Advanced Chipset Features Load Default Settings ► Integrated Peripherals Discard changes andSaevxeit &seEtuxpit?Setup ► Power - Acer Aspire X3950 | Service Guide - Page 33
System Disassembly Chapter 3 This chapter contains step-by-step procedures on how to disassemble the desktop computer for maintenance and troubleshooting. Disassembly Requirements To disassemble the computer, you need the following tools: Wrist grounding strap and conductive mat for preventing - Acer Aspire X3950 | Service Guide - Page 34
procedure, perform the steps listed below: 1. Turn off the system and all the peripherals connected to it. 2. Unplug the power cord from the power outlets. 3. Unplug the power cord from the system. 4. Unplug all peripheral cables from the system. 5. Place the system unit on a flat, stable surface - Acer Aspire X3950 | Service Guide - Page 35
SIDE PANEL FRONT BEZEL HEATSINK FAN ASSEMBLY PROCESSOR Cx2 HDD-ODD BRACKET Ax3, Bx1 POWER SUPPLY MEMORY MODULES PCI CARD Bx1 FRONT I/O AND CARD READER BOARD BRACKET Bx6 MAINBOARD Bx2 OPTICAL DISK DRIVE Dx4 HDD MODULE HDD Ax1 TV TUNER CARD or NETWORK CARD or GRAPHICS CARD Bx2 FRONT I/O BOARD Bx2 - Acer Aspire X3950 | Service Guide - Page 36
HEATSINK FAN ASSEMBLY PROCESSOR Cx2 HDD-ODD BRACKET Ax3, Bx1 POWER SUPPLY MEMORY MODULES PCI CARD Bx1 FRONT I/O AND CARD READER BOARD BRACKET Bx6 MAINBOARD TOP BEZEL Bx2 OPTICAL DISK DRIVE Dx4 HDD MODULE HDD Ax1 TV TUNER CARD or NETWORK CARD or GRAPHICS CARD Bx2 FRONT I/O BOARD Bx2 CARD READER - Acer Aspire X3950 | Service Guide - Page 37
procedure described on page 26. 2. Remove the two screws (A) located on the rear edge of the side panel. X3950 X5950 Screw (Quantity) #6-32 L5 BZN (2) Color Black Torque 5.5 to 6.5 kgf-cm Part No. 86.00J07.B60 3. Slide the panel toward the back of the unit until the tabs on the cover - Acer Aspire X3950 | Service Guide - Page 38
Removing the Front Bezel 1. Remove the side panel. Refer to the previous section for instructions. 2. Remove the front bezel according to machine model. NOTE: To remove the X3950 model's front bezel, you must first release the tabs securing the front bezel and disconnect the LED cable, located under - Acer Aspire X3950 | Service Guide - Page 39
(3). Disconnect the LED cable from the mainboard, then remove the bezel. X3950 Chapter 3 31 - Acer Aspire X3950 | Service Guide - Page 40
metal or with your hands. 1. See "Removing the Side Panel" on page 29. 2. Use a long-nosed screwdriver to loosen the four screws on the heatsink fan assembly. 3. Lift the heatsink fan assembly off the mainboard. X3950 X5950 32 Chapter 3 - Acer Aspire X3950 | Service Guide - Page 41
position-with the thermal patch facing upward, on top of the optical drive then disconnect the heatsink fan cable from its mainboard connector. Do not let the thermal patch on the heatsink fan assembly touch the work surface. X3950 X5950 5. Use an alcohol pad to wipe off the thermal grease from - Acer Aspire X3950 | Service Guide - Page 42
all important data. WARNING:The processor becomes very hot when the system is on. Allow it to cool off first before handling. 1. See "Removing the Side Panel" on page 29. 2. See "Removing the Heatsink Fan Assembly" on page 32. 3. Press the load lever, then move it to the right to release the - Acer Aspire X3950 | Service Guide - Page 43
5. Open the load plate, then pull out the processor from the socket. IMPORTANT:If you are going to install a new processor, note the arrow on the corner, highlighted with a circle in the photo above, to make sure the processor is properly oriented over the socket. Chapter 3 35 - Acer Aspire X3950 | Service Guide - Page 44
30. 3. Remove the HDD-ODD bracket. (1). Disconnect the data and power cables from their optical drive connectors. (2). Remove the two screws (B) that secure the HDD-ODD bracket. X3950 Screw (Quantity) 6-32 xL6 (2) Color Silver X5950 Torque 5.7 to 6.3 kgf-cm Part No. 86.00J44.C60 36 Chapter 3 - Acer Aspire X3950 | Service Guide - Page 45
open the cable retention clips that secure the data cable, then disconnect the cables from their mainboard connectors. X3950 4. Remove the two screws (C) that secure the optical drive. X5950 Screw (Quantity) M3xL5 BZN (2) Chapter 3 Color Black Torque 5.5 to 6.5 kgf-cm Part No. 86.1A324.5R0 37 - Acer Aspire X3950 | Service Guide - Page 46
5. Slide the optical drive out of the bracket. 38 Chapter 3 - Acer Aspire X3950 | Service Guide - Page 47
Removing the Hard Disk Drive 1. See "Removing the Side Panel" on page 29. 2. See "Removing the Front Bezel" on page 30. 3. Remove the HDD-ODD . Screw (Quantity) #6-32*3/16 NI (4) Color Silver (3). Slide the HDD out of the bracket. Torque 5.7 to 6.3 kgf-cm Part No. 86.5A5B6.012 Chapter 3 39 - Acer Aspire X3950 | Service Guide - Page 48
" on page 34. 4. See "Remove the HDD-ODD bracket" on page 36. 5. Disconnect the power cables from their mainboard connectors. 6. Remove the screw (B) that secures the power supply . Screw (Quantity) #6-32 L6 NI (1) Color Silver Torque 5.7 to 6.3 kgf-cm Part No. 86.00J44.C60 40 Chapter 3 - Acer Aspire X3950 | Service Guide - Page 49
7. Remove the three screws (A) that secure the power supply module. X3950 Screw (Quantity) #6-32 L5 BZN (3) Color Black 8. Lift the power supply module off the unit. X5950 Torque 5.5 to 6.5 kgf-cm Part No. 86.00J07.B60 X3950 X5950 Chapter 3 41 - Acer Aspire X3950 | Service Guide - Page 50
Removing the Memory Modules IMPORTANT:Before removing any DIMM, make sure to create a backup file of all important data. 1. See "Removing the Side Panel" on page 29. 2. See " - Acer Aspire X3950 | Service Guide - Page 51
card, VGA card, and a TV tuner card. To remove a network card: 1. See "Removing the Side Panel" on page 29. 2. Remove the screw (A) that secures the card to the unit. Screw (Quantity) #6-32 L5 BZN (1) Color Black 3. Pull the card out of its mainboard connector. Torque 5.7 to 6.3 kgf-cm Part - Acer Aspire X3950 | Service Guide - Page 52
unit, then press down the securing tab on the slot. Screw (Quantity) #6-32 L5 BZN (1) Color Black 3. Pull the card out of its mainboard connector. Torque 5.7 to 6.3 kgf-cm Part No. 86.00J07.B60 NOTE: The card has been highlighted with a yellow rectangle as above image shows. Please detach the - Acer Aspire X3950 | Service Guide - Page 53
on page 29. 2. Remove the screw (A) that secures the card to the unit. Screw (Quantity) #6-32 L5 BZN (1) Color Black 3. Pull the card out of its mainboard connector. Torque 5.7 to 6.3 kgf-cm Part No. 86.00J07.B60 NOTE: The card has been highlighted with a yellow rectangle as above image shows - Acer Aspire X3950 | Service Guide - Page 54
on page 36. 4. Open the cable retention clips and disconnect the USB, 1394, and audio cables from their mainboard connectors. X3950 5. Remove the front I/O and card reader bracket. (1). Remove the screw (B) that secures the bracket to the unit. X5950 Screw (Quantity) #6-32 L6 NI (1) Color Silver - Acer Aspire X3950 | Service Guide - Page 55
Screw (Quantity) #6-32 L6 NI (2) Color Silver (2). Pull the board out of the bracket. Torque 3.5 to 4.5 kgf-cm Part No. 86.00J44.C60 NOTE: The card has been highlighted with a yellow rectangle as above image shows. Please detach the card and follow local regulations for disposal. Chapter 3 47 - Acer Aspire X3950 | Service Guide - Page 56
(B) that secure the I/O board to the bracket. Screw (Quantity) #6-32 L6 NI (2) Color Silver (2). Pull the I/O board out of the bracket. Torque 3.8 to 4.2 kgf-cm Part No. 86.00J44.C60 NOTE: The card has been highlighted with a yellow rectangle as above image shows. Please detach the - Acer Aspire X3950 | Service Guide - Page 57
Bezel" on page 30. 3. See "Removing the Heatsink Fan Assembly" on page 32. 4. See "Removing the Processor" on page 34. 5. See "Remove the HDD-ODD bracket" on page 36. 6. See "Removing the Memory Modules" on page 42. 7. See "Removing an Expansion Card" on page 43. 8. See "Removing the Front I/O and - Acer Aspire X3950 | Service Guide - Page 58
12. Lift the board off the housing. 50 Chapter 3 - Acer Aspire X3950 | Service Guide - Page 59
Removing the Top Bezel NOTE: The following instruction is applicable only to the X5950 model. 1. See "Removing the Side Panel" on page 29. 2. See "Removing the Front Bezel" on page 30. 3. Detach the - Acer Aspire X3950 | Service Guide - Page 60
52 Chapter 3 - Acer Aspire X3950 | Service Guide - Page 61
Chapter 4 This chapter provides instructions on how to troubleshoot system hardware problems. Hardware Diagnostic Procedure IMPORTANT:The diagnostic tests described in this chapter are only intended to test Acer products. Non-Acer products, prototype cards, or modified options can give - Acer Aspire X3950 | Service Guide - Page 62
their appropriate connectors. 9. Verify that all components are Acer-qualified and supported. 10. Replace the system covers. 11. Power on the system. 12. If the problem with the system is not evident, you can try viewing the POST messages and BIOS event logs during the system startup. 54 Chapter 4 - Acer Aspire X3950 | Service Guide - Page 63
out of RAM. Both key sequence and OEM specific method is checked to determine if "BIOS Recovery" is forced. Main BIOS checksum is tested. If "BIOS Recovery" is necessary, control flows to checkpoint E0. See Bootblock Recovery Code Checkpoints section for more information. Restore CPUID value - Acer Aspire X3950 | Service Guide - Page 64
part size equals the recovery file size. The recovery file size does not equal the found flash part size. Erase the flash part. Program the flash part. The flash has been updated successfully. Make flash write disabled. Disable ATAPI hardware. Restore CPUID value back into register. Give control - Acer Aspire X3950 | Service Guide - Page 65
. Detects the presence of Keyboard in KBC port. Testing and initialization of different Input Devices. Also, update the Kernel Variables. Traps the INT09h vector, so that the POST INT09h handler gets control for IRQ1. Uncompress all available language, BIOS logo, and Silent logo modules. Early POST - Acer Aspire X3950 | Service Guide - Page 66
in CPU, ... etc.) successfully installed in the system and update the BDA, EBDA...etc. Programming the memory hole or any kind of implementation that needs an adjustment in system RAM size if needed. Updates CMOS memory size from memory found in memory test. Allocates memory for Extended BIOS Data - Acer Aspire X3950 | Service Guide - Page 67
Manager (DIM) gets control at various times during BIOS POST to initialize different or option ROMs from add-in PCI devices. Checkpoint cards. It also assigns PCI bus numbers. Function 1 initializes all static devices that include manual configured onboard peripherals, memory and I/O decode windows - Acer Aspire X3950 | Service Guide - Page 68
Gate20 Error Multi-Bit ECC Error Parity Error RAM R/W test failed CMOS Memory Size Wrong Description The BIOS is unable to properly control the mainboard's Gate A20 function, which controls access of memory over 1 MB. This may indicate a problem with the mainboard. This message will only occur - Acer Aspire X3950 | Service Guide - Page 69
message is typically displayed when the BIOS is trying to detect and configure IDE/ATAPI devices in POST. The IDE/ATAPI device configured as Master in the 3rd IDE controller failed an ATAPI compatibility test. This message is typically displayed when the BIOS is trying to detect and configure IDE - Acer Aspire X3950 | Service Guide - Page 70
device configured as Slave in the 6th IDE controller failed an ATAPI compatibility test. This message is typically displayed when the BIOS is trying to detect and configure IDE/ATAPI devices in POST. The BIOS tried to send a S.M.A.R.T. message to a hard disk, but the command transaction failed. This - Acer Aspire X3950 | Service Guide - Page 71
a problem with system hardware. BIOS could not write to the NVRAM block. This message appears when the FLASH part is write-protected or if there is no FLASH part (System uses a PROM or EPROM). BIOS could not find or load the CPU Microcode Update to the CPU. This message only applies to INTEL CPUs - Acer Aspire X3950 | Service Guide - Page 72
KBC BAT Test failed support is enabled in the BIOS setup but the device is not detected. Keyboard Controller failure. This may indicate a problem with system hardware. PS2 keyboard is locked. User needs to unlock the keyboard to continue the BIOS POST. The system has been halted. A reset or power - Acer Aspire X3950 | Service Guide - Page 73
64h emulation is not supported by this USB Host Controller! Warning! EHCI controller disabled. It requires 64bit data support in the BIOS. Description This message message is displayed when the power requirements of the board do not match the power requirement of the CPU. MPS Table (Multi-processor - Acer Aspire X3950 | Service Guide - Page 74
and Description System is ready. System is OK. Memory not installed or memory error. VGA not installed or VGA error. Graphics card error/not installed, graphics card memory error or graphics card BIOS checksum error. BIOS damaged. BIOS is damaged, BIOS POST jumps to Boot Block to execute the default - Acer Aspire X3950 | Service Guide - Page 75
Memory module Mainboard Enter BIOS Setup and load default settings.In Windows Systems, check settings in Power Management Property of Control Panel. Reload software from Recovery CD. Diskette/IDE drive connection/cables Diskette/IDE disk drives See "Undetermined Problems". Mainboard - Acer Aspire X3950 | Service Guide - Page 76
drive is configured correctly in the Disk Drives of BIOS Setup. Ensure the diskette drive is correctly formatted. Diskette drive connection/cable Diskette drive Mainboard Ensure the diskette drive is not set to None in the Disk Drives of BIOS Setup. Diskette drive power Diskette drive - Acer Aspire X3950 | Service Guide - Page 77
. With the system power on, measure the voltage of hard disk LED connector. Hard drive LED cable NOTE: Ensure hard disk drive is configured correctly in BIOS Setup, cable/jumper are set correctly before diagnosing any hard disk drive problems. (If only one drive is installed, please make - Acer Aspire X3950 | Service Guide - Page 78
modem adapter card invokes but has no sound output. (Data files to mainboard are received normally; voice from modem cannot be produced, but system sound feature works normally.) Video and Monitor-Related Symptoms Symptom / Error Video memory test failed.Video adapter failed. Display problem - Acer Aspire X3950 | Service Guide - Page 79
port loop-back test failed. Printing failed. Printer problems. Action/FRU Make sure that the LPT# or COM# you test is the same as the setting in BIOS Setup. Loop-back. Mainboard Ensure the printer driver is properly installed. Refer to the printer service manual. Printer. Printer cable - Acer Aspire X3950 | Service Guide - Page 80
.rom". (4). Unplug the USB storage device. 2. Connect the USB storage device on the USB port on the system. 3. Power on the system. The system initializes the BIOS recovery process. Wait for about 3 minutes and the system will reboot automatically after the flash update is completed. 72 Chapter 4 - Acer Aspire X3950 | Service Guide - Page 81
4. Press Delete to run the Setup Utility. 5. In the Setup Utility, select Load Default Settings, then press Enter. 6. Select Ok, then press Enter. 7. Select Save & Exit Setup, then press Enter. 8. Select Ok, then press Enter. Chapter 4 73 - Acer Aspire X3950 | Service Guide - Page 82
all of the following devices: Non-Acer devices Printer, mouse, and other external devices Hard disk drive DIMM CD/DVD-ROM drive Adapter cards 4. Power on the computer. 5. Determine if the problem has been resolved. 6. If the problem does not recur, reconnect the removed devices - Acer Aspire X3950 | Service Guide - Page 83
Chapter 5 System Block Diagram and Board Layout System Block Diagram Chapter 5 75 - Acer Aspire X3950 | Service Guide - Page 84
HDMI1 VGA1 USBESATA1 USBLAN1 AUDJACK PWR2 REAR_FAN CPU_FAN Description Top: PS2 Mouse port Bottom: PS2 Keyboard port HDMI port VGA (D-sub) port USB ports Top: Network port Bottom: USB ports Line-in/Side surround jack Line-Out Line-out jack Microphone/line-in jack Processor - Acer Aspire X3950 | Service Guide - Page 85
10 DIMM 1-4 DIMM slots 11 F_USB1, 2 and 4 Card reader USB cable connectors 12 PWR1 Main power connector 13 F_USB3 Front panel USB connector 14 GPIO1-2 GPIO1~2 Reserve headers 15 SATA 1-2 SATA connectors 16 BIOS_FLASH BIOS flash connector 17 FRONT_PANEL1 Front panel connector - Acer Aspire X3950 | Service Guide - Page 86
78 Chapter 5 - Acer Aspire X3950 | Service Guide - Page 87
date information available on your regional web or channel. For whatever reasons a part number is changed, it will NOT be noted on the printed Service Guide. For Acer authorized service providers, your Acer office may have a different part number code from those given in the FRU list of this printed - Acer Aspire X3950 | Service Guide - Page 88
Exploded Diagram X3950 model No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Part Name ASSY POWER BUTTON BOXER X350 BEZEL FRONT BOXER X351 C.A. MYLAR LIGHT COVER BOXER X350 PLT ACER-LOGO-BOXER-X5 No. 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Part Name PLT POWER LOGO BOXER X350 PROTECT FILM F-BEZEL - Acer Aspire X3950 | Service Guide - Page 89
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Part Name PLT ACER LOGO BOXER X5 BEZEL FRONT B BOXER X550 CVR COSMETIC ART WORK BOXER X550 CVR No. 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Part Name PLT ASPIRE LOGO BOXER X550 PLT ODD KNOB LOGO BOXER X550 PROTECT FILM CVR FRONT BOXER X550 PROTECT FILM - Acer Aspire X3950 | Service Guide - Page 90
X3950 FRU List System model: PV.SE602.004 AX3950 AAP AJC PV.SE602.004 Category BOARDS Part Name FRONT IO BOARD CENTURY W/AUDIO CABLE*1&USB CABLE*2 Acer Part No. 55.SC101.001 CARD READER 9 IN 1 8.5L AU6476 W/USB2.0 & USB CABLE W/O 1394 CR.10400.107 CABLES POWER CORD 125V 7A 3G JAPAN ODD SATA - Acer Aspire X3950 | Service Guide - Page 91
CPU/PROCESSOR CPU INTEL CORE I3-530 LGA 2.93G 4M 1333FSB 1156 73W CLARKDALE C-2 DUAL CORE KC.53001.CI3 DVD-RW DRIVE ODD PLDS SUPER-MULTI DRIVE HH 16X DH-16AASH BLACK BEZEL KU.0160F.009 SATA FOR HF+WINDOWS7 HDD/HARD DISK DRIVE HDD 3.5" 500GB 7200RPM SATA SEAGATE PHARAOH ST3500418AS KH.50007.012 - Acer Aspire X3950 | Service Guide - Page 92
Name FRONT IO BOARD CENTURY W/AUDIO CABLE*1&USB CABLE*2 OEM Part No. 55.SC101.001 CARD READER 9 IN 1 8.5L AU6476 W/USB2.0 & USB CABLE W/O 1394 CR.10400.107 CABLES WIRELESS LAN BOARD 802.11BGN LITEON WN7600R POWER CORD 250V 3PIN 1800MM UK ODD SATA CABLE HDD SATA CABLE LED SWITCH CABLE CASE/COVER - Acer Aspire X3950 | Service Guide - Page 93
CPU/PROCESSOR CPU INTEL CORE I3-530 LGA 2.93G 4M 1333FSB 1156 73W CLARKDALE C-2 DUAL CORE KC.53001.CI3 DVD-RW DRIVE ODD PLDS SUPER-MULTI DRIVE HH 16X DH-16AASH BLACK BEZEL KU.0160F.009 SATA FOR HF+WINDOWS7 HDD/HARD DISK DRIVE HDD 320GB 3.5" 7200RPM SATA II SEAGATE PHARAOH 8MB NCQ KH.32007.011 - Acer Aspire X3950 | Service Guide - Page 94
Acer Part No. 55.SC101.001 CARD READER 9 IN 1 8.5L AU6476 W/USB2.0 & USB CABLE W/O 1394 CR.10400.107 CABLES WIRELESS LAN BOARD 802.11BGN LITEON WN7600R VGA CARD PCPARTNER 288-1N141-A00AC NVIDIA GT315 512MB SDDR3 DVI+HDMI ATX (SAMSUNG) NI.10200.009 VG.PCPT3.154 POWER CORD 250V - Acer Aspire X3950 | Service Guide - Page 95
W/LED SWITCH CABLE FOR X350 TBD CPU/PROCESSOR CPU INTEL CORE I3-530 LGA 2.93G 4M 1333FSB 1156 73W CLARKDALE C-2 DUAL CORE KC.53001.CI3 DVD-RW DRIVE ODD PLDS SUPER-MULTI DRIVE HH 16X DH-16AASH BLACK BEZEL KU.0160F.009 SATA FOR HF+WINDOWS7 HDD/HARD DISK DRIVE HDD 3.5" 500GB 7200RPM SATA SEAGATE - Acer Aspire X3950 | Service Guide - Page 96
Part No. 55.SC101.001 CARD READER 9 IN 1 8.5L AU6476 W/USB2.0 & USB CABLE W/O 1394 CR.10400.107 CABLES WIRELESS LAN BOARD 802.11BGN LITEON WN7600R VGA CARD PCPARTNER 288-5N118-A10AC NVIDIA GT320 1GB SDDR3 DVI+HDMI LP (SAMSUNG) NI.10200.009 VG.PCPT3.212 POWER CORD 250V - Acer Aspire X3950 | Service Guide - Page 97
LED SWITCH CABLE FOR X350 TBD CPU/PROCESSOR CPU INTEL CORE I5-650 LGA 3.2G 4M 1333FSB 1156 C-2 73W CLARKDALE DUAL CORE KC.65001.CI5 DVD-RW DRIVE ODD PLDS SUPER-MULTI DRIVE HH 16X DH-16AASH BLACK BEZEL KU.0160F.009 SATA FOR HF+WINDOWS7 HDD/HARD DISK DRIVE HDD 1TB 3.5" 7200RPM SATA HGST SATURN - Acer Aspire X3950 | Service Guide - Page 98
IO BOARD CENTURY W/AUDIO CABLE*1&USB CABLE*2 Acer Part No. 55.SC101.001 CARD READER 9 IN 1 8.5L AU6476 W/USB2.0 & USB CABLE W/O 1394 CR.10400.107 CABLES VGA CARD PCPARTNER 288-5N118-A10AC NVIDIA GT320 1GB SDDR3 VG.PCPT3.212 DVI+HDMI LP (SAMSUNG) POWER CORD 250V 3PIN 1800MM UK 27.01518.181 - Acer Aspire X3950 | Service Guide - Page 99
FRONT BEZEL FOR X550 60.SE301.005 CPU/PROCESSOR CPU INTEL CORE I5-650 LGA 3.2G 4M 1333FSB 1156 C-2 73W CLARKDALE DUAL CORE KC.65001.CI5 DVD-RW DRIVE ODD PLDS SUPER-MULTI DRIVE HH 16X DH-16AASH BLACK BEZEL KU.0160F.009 SATA FOR HF+WINDOWS7 HDD/HARD DISK DRIVE HDD 640GB 3.5" 7200RPM SATA II WD - Acer Aspire X3950 | Service Guide - Page 100
SPEAKER SPEAKER USB NEOSONICA NEW SILVER COLOR AC-MT-113 SP.10600.035 92 Chapter 6 - Acer Aspire X3950 | Service Guide - Page 101
V i3-540 Dual (32 nm) 3.06 2.5 4 0.65 - 1.4 V Intel Pentium G6950 Dual (32 nm) 2.8 2.5 3 0.65 - 1.4 V 73/87 73 73 System Board Major Chips Item System Core Logic Memory Controller Storage Controller PCIE Controller LAN Controller Audio Controller Input Devices Controller Specification Intel - Acer Aspire X3950 | Service Guide - Page 102
System Memory Item DIMM Sockets Memory Type Module Name Organization Maximum Memory Vendor Model Name DIMM Size (GB) Pin System BIOS Item BIOS Vendor BIOS Version PCI Interface Item Number of Slots Specification Four DDR3-800/1066/1333 unbuffered DIMM PC3-8500/10600 ECC 8 GB Samsung Unifosa - Acer Aspire X3950 | Service Guide - Page 103
VGA Interface Item Connector Network Interface Item LAN Controller Supports LAN Protocol LAN Connector Type SATA Interface Item SATA Controller Connectors Audio Interface Item Audio Controller Connectors Specification VGA/monitor port Specification Intel PCI-E Gbe LAN controller PHY 10/100/1000 - Acer Aspire X3950 | Service Guide - Page 104
Controller Connectors Optical Drive BD Combo Module Item Vendor Model name Drive type Write Speed Specification Super I/O IT8721F • PS2 keyboard and mouse connector • Eleven USB ports (five on front and six on rear) Specification 1x, 2x, 4x, 6x CLV / Not support DVD-RAM 2x, 3x CLV, 3-5x PCAV DVD+R - Acer Aspire X3950 | Service Guide - Page 105
Module Item Read Speed Data Transfer Rate Access Time Buffer Size Interface Type Specification BD-ROM (SL/DL)6x / 4.8x CAV BD-R (SL/DL RW (SL/DL)10x CAV / Not support DVD+R (SL/DL)16x / 8x CAV DVD+RW (SL/DL)10x CAV / Not support DVD-RAM 2x, 3x ZCLV, 5x PCAV DVD-Video (CSS Compliant Disc) (SL/DL) 8x - Acer Aspire X3950 | Service Guide - Page 106
Super Multi Item Vendor Model Name Drive Type Write Speed Specification HLDS PLDS GH-41N, GH-41F DH-16AASH Super Multi Super PCAV, 16x CAV DVD-R DL:2x, 4x, 6x CLV, 8x ZCLV DVD-RW:1x, 2x, 4x, 6x CLV DVD-RAM:2x, 3x ZCLV, 3x-5x PCAV (Ver.2.2) CD-R: 16x CLV, 24x 17x ~ 24x PCAV, 32x 17x ~ 32x - Acer Aspire X3950 | Service Guide - Page 107
Item Read Speed Data Transfer Rate Access Time Buffer Size Interface Type Specification CD-R/RW/ROM:40x/40x/40x max. CD-DA (DAE):40x :8x max. DVD-R/RW/ROM(SL/DL):10x / 8x / 16x / 12x max. DVD-R DL:8x max. DVD-RAM (Ver.1.0/2.2):2x/ 3x-5x PCAV CD-ROM:6,000 kB/s (40x) max. DVD-ROM:22.16 MB/s (16x) max - Acer Aspire X3950 | Service Guide - Page 108
Appendix A 100