Acer Aspire X1920 Acer Aspire X1920 Desktop Service Guide
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- Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 1
Aspire AX1920 Desktop Computer Service Guide PRINTED IN TAIWAN - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 2
Revision History Refer to the table below for changes made on this version of the Aspire AX1920 Desktop Computer Service Guide. Date Chapter Updates ii Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 3
system, or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written permission of Acer Incorporated. Disclaimer The information in this guide is subject to change without notice - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 4
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. iv Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 5
printed service guide. For AUTHORIZED SERVICE PROVIDERS, your office may have a DIFFERENT part number code to those given in the FRU list of this printed service guide. You MUST use the list provided by your regional Acer office to order FRU parts for repair and service of customer machines. Aspire - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 6
vi Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 7
the Memory Modules 36 Removing the Power Supply Unit 36 Removing the Front I/O and Optional Card Reader Assemblies 39 Removing the Mainboard 42 Hardware Diagnostic Procedure 45 System Check Procedures 45 Checkpoints 46 POST Error Indicators 50 BIOS Recovery 62 BIOS Update 63 Clearning - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 8
Table of Contents BIOS 93 Memory 93 Hard Disk Drive 94 Optical Disc Drive 94 Card Reader (optional 94 Gigabit Ethernet 95 Audio 95 Power Supply Unit 95 Power Management 95 Index ...97 viii - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 9
lists the features and specifications of the Aspire AX1920 computer. NOTE The items listed in this section are for reference only. The exact configuration of your PC depends on the model purchased. Refer to the FRU list chapter on page 79 for a detailed list of models supported by each hardware - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 10
reader (optional) TV tuner (optional) Power supply Antivirus software System BIOS Power management Audio Item Audio codec Audio jacks Description • Multi-in-1 card reader • The following memory cards are supported: - Memory Stick (MS) - xD-Picture Card (xD) - Secure Digital (SD), MultiMediaCard - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 11
Physical Specifications Aspect Chassis dimension (W × D × H) System weight Mainboard form factor Mainboard dimensions (W × H) Description 100 mm (W) X 371 mm (D) X 265 temperature Operating humidity Description 5 to 35 °C (41 to 95 °F) 15% to 80% RH non-condensing Aspire AX1920 Service Guide 3 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 12
6 Multi-in-1 optional card reader supporting Memory Stick (MS), xD-Picture Card (xD), Secure Digital (SD), MultiMediaCard (MMC), Reduced-Size MultiMediaCard (RS-MMC), CompactFlash (CF) Types I and II, and Memory Stick PRO (MS PRO) 7 USB 2.0 ports 8 Acer logo 4 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 13
connector 9 Fan aperture 10 Voltage selector switch 11 Power connector 12 Kensington lock 13 Key lock 14 LAN connector NOTE The I/O ports on the upper chassis area are additional items made possible with the installation of an expansion card option. Aspire AX1920 Service Guide 5 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 14
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BIOS settings. The Setup Utility loads the configuration values in a battery-backed nonvolatile memory called CMOS RAM. This memory area is not part of the system RAM, which allows configuration data to be retained when power " or "Setup Utility" in this Service Guide. Aspire AX1920 Service Guide 7 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 16
Accessing the Setup Utility 1. Turn on the server and the monitor. If the server is already turned on, close all open applications, then restart the server. 2. During POST, press option. Use the Up/Down/Left/Right arrow keys to scroll through the items in the submenu 8 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 17
screenshots used in this section are for illustration only. The values displayed may not be the same as those in your computer. • In the descriptive tables following each of the menu screen illustrations, settings in boldface are the default and suggested settings. Aspire AX1920 Service Guide 9 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 18
on the system Speed of the processor installed on the system Size of system memory detected during boot-up Official model name of the computer. System serial number. Current system BIOS version Date when the CMOS setup utility was released. System asset tag number 10 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 19
(month/day/year) Sets the system time. HH:MM:SS (hour:minute:second) Your Aspire computer supports two SATA channels, each channel allows one SATA device to be installed. Press Enter to display the error during the POST. All, But Keyboard No Errors All Errors Aspire AX1920 Service Guide 11 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 20
item to On, the keyboard Num Lock key will be active when the computer boots up. If set to Disabled, when anything attempts to access the boot BIOS to emit error beeps or display error messages during USB device enumeration. On Off Enabled Disabled Enabled Disabled 12 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 21
that support the Physical Address Extension method. Select the amount of system memory used by the internal graphics device. This setting is only available for WinXp. Value Enabled Disabled Enabled Disabled Enabled Disabled Enabled Disabled 32MB 64MB 128MB 256MB 128MB Maximum Aspire AX1920 Service - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 22
an operating mode for the onboard SATA. Enables or disables the onboard USB controller. Enables or disables support for legacy USB devices. If Auto, USB device equal or less than 2GB will be emulated Floppy Hard Disk Enabled Disabled Enabled Disabled Enabled Disabled 14 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 23
reverts to the last power state before the power loss occurred. • On - The computer switches back on after the AC power loss. Value S3 (STR) S1 (POS) Enabled Disabled Enabled Disabled Enabled Disabled Enabled Disabled Enabled Disabled Power Off Power On Last State Aspire AX1920 Service Guide 15 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 24
+3.30V +5.00V +12.0V 5VSB VBAT Smart Fan Description Value These items lets you monitor the parameters for critical voltages, temperatures and fan speeds. When enabled, fan speed will speed up or slow down depending on Enabled the system temperature. Disabled 16 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 25
When enabled, clock signals will be sent to the PCI and memory slots regardless of whether the slot is occupied or not. When to Enabled to reduce this EMI level. This reduces interference problems with other electronics in the area. Note: Remember to disable Disabled Aspire AX1920 Service Guide 17 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 26
BIOS Security Features Field Supervisor Password User Password Change Supervisor Password Change User Password Description Displays the halts. Do not forget your password. If you forget your password, you may have to return your computer to your dealer to reset it. 18 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 27
fields. You will be prompted to confirm the password removal. 4. Press Enter. 5. Press F10 to save the changes you made and close the Setup Utility. Aspire AX1920 Service Guide 19 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 28
Load Default Settings Execute this menu to load the factory-default settings for all Setup parameters. Keyboard shortcut: F9 Perform the steps below to load the system Execute this menu to save the changes made and closes the Setup Utility. Keyboard shortcut: F10 20 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 29
Exit Without Saving The Exit Without Saving menu allows you to discard changes made and close the Setup Utility. Aspire AX1920 Service Guide 21 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 30
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card reader slots are empty. 2. Turn off the power to the computer and all peripherals. 3. Unplug the power cord from the computer. 4. Unplug the network cable and all connected peripheral devices from the computer. 5. Place the computer on a flat, steady surface. Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 32
Procedures Removing the Side Panel 1. Put the computer on a flat surface. 2. Remove the two screws located on the rear edge of the side panel. 3. Slide the side panel toward the back of the chassis until the tabs on the cover disengage with the slots on the chassis. 24 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 33
interior. 2. Pull the front bezel away from the chassis. NOTE: The power switch and LED cable from the front bezel is still connected to its connector on the mainboard. To detach the front bezel completely, you have to remove the hard disk and optical drive. Aspire AX1920 Service Guide 25 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 34
sink fan assembly in an upright position, on top of the optical drive, as shown below, then disconnect the fan cable from the mainboard. 26 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 35
load lever to the fully open, upright position. 3. Open the retention plate to expose the socket body. 4. Gently lift the processor out of its socket. . Aspire AX1920 Service Guide 27 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 36
. Removing the HDD-ODD Bracket 1. Remove the two screws that secure the HDD-ODD bracket to the chassis. 2. Lift up the HDD-ODD bracket. 28 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 37
Removing the Optical Drive and the Hard Disk Drive 1. Disconnect the data and power cables from the rear of the optical drive. 2. Disconnect the other end of the data cable from the mainboard. Aspire AX1920 Service Guide 29 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 38
3. Disconnect the data and power cables from the rear of the hard disk drive. 4. Disconnect the other end of the data cable from the mainboard. 30 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 39
5. Remove the screws that secure the optical drive to the HDD-ODD bracket. 6. Pull the optical drive out of the drive bay. Aspire AX1920 Service Guide 31 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 40
7. Remove the four screws that secure the hard disk drive to the HDD bracket. 8. Slide the hard disk drive out of the bracket. 32 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 41
Detaching the Front Bezel 1. Disconnect the power switch and LED cable from the mainboard. 2. Pull out the power switch and LED cable from the chassis. 3. Detach the front bezel. Aspire AX1920 Service Guide 33 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 42
the Expansion Boards 1. Remove the screw from the expansion card bracket opposite the PCI_1 slot. 2. Push to open the expansion slot lock in the direction indicated. 3. Gently pull up the expansion board (1), move it slightly to the left and remove (2) from the slot. 34 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 43
4. Remove the screw from the expansion card bracket opposite the PCIEX2 slot. 5. Gently pull up the TV tuner board (1), move it slightly to the left and remove (2) from the slot. Aspire AX1920 Service Guide 35 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 44
(1) on both sides of the DIMM slot outward to release the DIMM. 2. Gently pull the DIMM upward (2) to remove it from the chassis. Removing the Power Supply Unit 1. Disconnect the 4-pin and 24-pin ATX power supply cables from the mainboard. 36 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 45
2. Remove the screw that secures the power supply to the chassis. 3. Remove the screws that secure the power supply to the rear panel. Aspire AX1920 Service Guide 37 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 46
4. Push the power supply module (1) toward the front. 5. Tilt the power supply module slightly to the right (2) and lift it out (3) of the chassis. 38 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 47
Removing the Front I/O and Optional Card Reader Assemblies 1. Disconnect the front I/O and optional card reader cables from their mainboard connectors. 2. Open the plastic clip (1) and release the cables from the metal clip (2) in the direction indicated. Aspire AX1920 Service Guide 39 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 48
3. Detach the cables from the card. Remove the cables. 4. Remove the screw that secures the bracket to the chassis. 5. Pull the bracket out from the chassis. 40 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 49
6. Remove the two screws that secure the front I/O and card reader assembly to the bracket. 7. Remove the front I/O and card reader assembly from the bracket. Aspire AX1920 Service Guide 41 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 50
Removing the Mainboard 1. Remove the six screws that secure the mainboard to the chassis. Note: Circuit board >10 cm2 has been highlighted with the yellow rectangle as shown above. Please follow local regulations for disposal of detached circuit boards. 42 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 51
2. Lift the mainboard from the chassis. 3. Remove the RTC battery. Note: The RTC battery has been highlighted with a yellow circle as shown above. Please follow local regulations for disposal of used RTC batteries. Aspire AX1920 Service Guide 43 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 52
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chapter lists the POST error indicators and BIOS beep codes, as well general troubleshooting instructions. Hardware Diagnostic Procedure 1. Obtain as Verify that all components are Acer-qualified and supported. 10. Reinstall the side panel. 11. Power on the system. Aspire AX1920 Service Guide 45 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 54
occur after the video card has been activated memory. CPUID information is stored in memory. Store the Uncompressed pointer for future use in PMM. Copying Main BIOS into memory.Leaves all RAM below 1MB Read-Write including E000 and F000 shadow areas but closing SMRAM. 46 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 55
initialize BIOS modules on POST entry and GPNV area. Initialized CMOS as mentioned in the Kernel Variable "wCMOSFlags." Check CMOS diagnostic byte to determine if battery power is OK and CMOS checksum is OK. Verify CMOS checksum manually by reading storage area. If the CMOS checksum is bad, update - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 56
different devices (Parallel ports, serial ports, and coprocessor 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. 48 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 57
all static devices that include manual configured onboard peripherals, memory and I/O decode windows in PCI-PCI bridges, and noncompliant PCI devices. Static resources are also reserved. Function 2 searches for and initializes any PnP, PCI, or AGP video devices. Aspire AX1920 Service Guide 49 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 58
recommended that you correct the error before proceeding, even if the computer appears to boot successfully. IMPORTANT If your system fails after you make changes in the Setup menus, reboot the computer, enter Setup again and load Setup defaults to correct the error. 50 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 59
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 X1920 | Acer Aspire X1920 Desktop Service Guide - Page 60
Slave 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 IDE/ATAPI typically displayed when the BIOS is trying to detect and configure IDE/ATAPI devices in POST. 52 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 61
the 4th 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 IDE/ATAPI device configured failure messages may indicate the need to replace the hard disk. Aspire AX1920 Service Guide 53 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 62
failed to pass the Refresh Retrace Test. BIOS POST could not initialize the Master Interrupt Controller. This may indicate a problem with system hardware. BIOS POST could not initialize the Slave Interrupt Controller. This may indicate a problem with system hardware. 54 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 63
. PS/2 mouse support is enabled in the BIOS setup but the device is not detected. Keyboard controller failure. This may indicate a problem with system hardware. PS/2 keyboard is locked. User needs to unlock the keyboard to continue the BIOS POST. The system has been halted. A reset or power cycle is - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 64
. Blinking cursor only; system does not work. • IDE drive connection/cables • IDE disk drives • See "Undetermined Problems". • Mainboard NOTE Ensure the memory modules are installed properly and the contact leads are clean before diagnosing any system problems. 56 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 65
sound volume. • Speaker power/connection/cable. • CD/DVD-ROM drive. NOTE Make sure the optical disc drive is configured correctly in CMOS Setup, the cable/jumper are set correctly and the drive's optical lens is clean before diagnosing any optical drive problems. Aspire AX1920 Service Guide 57 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 66
colors. Action/FRU • Remove all non-factory-installed cards. • Load default settings (if screen is readable). • Mainboard • Monitor signal connection/cable • Monitor • Video adapter card • Mainboard • Monitor signal connection/cable • Video adapter card • Mainboard 58 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 67
power override switch (located at the back of the computer, just above the connector for the power cable) is not set to OFF. • Power switch cable assembly. • Enter CMOS Setup and load the default settings. • Reload software from Recovery CD. • Power supply • Mainboard Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 68
boards are absent, one of the add-in boards is causing the malfunction. Insert the boards back into the system one at a time until the problem happens again. This will reveal the malfunctioning board. If the system video adapter is an add-in board, replace or reseat 60 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 69
Undetermined Problems NOTE • Verify that all attached devices are supported by the computer. • Verify that the power supply being used at the time of the failure is operating correctly. (See "Power System Check" on page 45) Follow the procedures below to isolate the failing FRU. Do not isolate non- - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 70
. Note the following when restoring the BIOS settings: • Make sure the computer is connected to a UPS unit during the BIOS recovery process. • The BIOS crisis recovery disk should be prepared in a computer running the Windows XP or Windows Vista OS. Creating the BIOS Crisis Recovery Disk 1. Prepare - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 71
system BIOS. 5. Reboot the computer. 6. Press Delete to run the CMOS Setup Utility. 7. Press F9 to load the system default settings. 8. Select Ok, then press Enter. 9. Press F9 to save the default settings and close the Setup utility. 10. Select Ok, then press Enter. Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 72
button to turn on the computer. 2. Click Start | Command Prompt | Run as administrator. 3. Perform the steps below if your computer is running 32-bit Windows. a. Key in 'cd wintool\32'. (Go to BIOS path like "D:\WinTool\32") b. Key in 'flash1M.bat' or 'flash1M'. 64 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 73
c. Press Enter to flash the system BIOS. 4. Perform the steps below if your computer is running 64-bit Windows. a. Key in 'cd wintool\64'. (Go to BIOS path like "D:\WinTool\64") b. Key in 'flash1M.bat' or 'flash1M'. Aspire AX1920 Service Guide 65 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 74
system BIOS. 5. Reboot the computer. 6. Press Delete to run the CMOS Setup Utility. 7. Press F9 to load the system default settings. 8. Select Ok, then press Enter. 9. Press F9 to save the default settings and close the Setup utility. 10. Select Ok, then press Enter. 66 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 75
BIOS power cord to the system. 13. Press the power button to turn on the computer. 14. During POST, press Delete to access the Setup Utility. 15. Press F9 to load the system default values. 16. Press F10 to save the changes you made and close the Setup Utility. Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 76
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System Architecture Chapter 5 This chapter shows the block diagram and board layout of the Aspire AX1920 computer. Block Diagram The core subsystems of the Aspire AX1920 computer are depicted in the following block diagram. Aspire AX1920 Service Guide 69 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 78
slot 240-pin DDR3 SDRAM slot 24-pin ATX power connector Clear CMOS jumper SATA cable connector Internal buzzer Power button/LED cable connector Front panel USB headers SPDIF out header Front panel audio header PCI Express x16 expansion slot PCI Express x1 expansion slot Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 79
cable connector 4-pin ATX power connector USB 2.0 and Ethernet ports Monitor port PS/2 keyboard and mouse ports Jumper Setting The section explains how to set jumper for correct configuration of the mainboard. Use the motherboard Aspire AX1920 Service Guide 71 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 80
Setting Jumper Use the motherboard jumpers to set system configuration options. Jumpers with more than one pin are numbered. When setting Clear CMOS Setting (default) 1-2: NORMAL 2-3: CLEAR Before clearing theCMOS, make sure toturn off the system. CLR_CMOS1 72 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 81
Serial ATA connectors These connectors are used to support the new Serial ATA devices for the highest (3.0 Gb/s), simpler disk drive cabling and easier PC assembly. It elimi-nates limitations of the current 4 PRESENCE# 6 SENSE1_RETURN 8 KEY 10 SENSE2_RETURN Aspire AX1920 Service Guide 73 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 82
, some computer cases have USB ports at the front of the case. If youhave this kind of case, use auxiliary USB connector to connect the front-mountedports to the motherboard. Pin +5VA 3 Key 4 GND Function SPDIF digital output 5V analog Power No pin Ground 74 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 83
. 4. Connect the system cooling fan connector to SYS_FAN. 5. Connect the auxiliary case power supply connector to ATX12V. CPU_FAN: CPU Cooling FAN Power Connector Pin Signal Name 1 GND 2 +12V 3 Sense 4 PWM Function System ground Power +12V Sensor PWM Aspire AX1920 Service Guide 75 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 84
Switch (-) 6 PWRSW 7 HWRST_L Reset Switch (+) 8 GND 9 F_PANEL_DET Reserved 10 KEY 11 NC Reserved 12 VCC 13 NC Reserved 14 F_LAN_LED Function *MSG LED (+) *MSG LED (-) Power Switch (+) Power Switch (-) No pin Reset Switch (+) Reset Switch (+) 76 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 85
you the FRU (Field Replaceable Unit) listing of the Aspire AX1920 computer global configurations. Refer to this list when ordering for repair 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 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 86
bracket 4 Front cover assembly 5 Lowercase support 6 Side cover 7 Front I/O and card reader board 8 Plastic cable clip 9 Screw I #6-32 L5 10 Screw Pan, M3 L5 11 Screw Flat #6-32*3/16 NI 12 Screw Pan #6-32 L6 NI Quantity 1 1 1 1 1 1 1 1 2-4 2 4 13 78 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 87
PORT CARD READER 6 IN 1 USB 2.0 2 USB PORT 2 CARD READER 6 IN 1 USB 2.0 2 USB PORT 2 Acer Part CARD PCIE HYBR TU.10500.075 USB 3.1 CARD PCI-E (LOW PROFILE) KIT 8.5 VGA CARD 5450 512MB SDDR3 SDI PA.14000.043 VG.APC54.511 VGACARD 5450 512MB SDDR3 HYNIX VG.APC54.512 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 88
DVI/HDMI/VGA LP VGA CARD HD6450 1GB SDDR3 SDI DVI-I/HDMI VGA CARD HD6450 512MB SDDR3 SDI DVI-I/ HD VGA CARD HD6570 1GB DDR3 SDI DVI-I(SL HYNIX DVI/HDMI/VGA DVI TO VGA DONGLE C.A. SATA HDD GL APITBULL Acer Part No. VG.ECS54.511 VG.APC64.521 VG.APC64.502 VG.APC65 SFF01.004 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 89
.03118.031 50.GB001.001 TBD HDD&ODD BRACKET BRKT HDD BOXER EM 33.NCM01.002 CRT COVER CVR CRT BOXER II 42.SF601.001 Aspire AX1920 Service Guide 81 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 90
Acer Part No. 60.SE201.002 ASSEMBLY LOWER CASE ASSY LCASE-ASM BOXER X1 TBD ASSEMBLY FRONT BEZEL W/LED SWITCH CABLE FOR CARD READER ASSEMBLY FRONT BEZEL W/LED SWITCH CABLE FOR NONE CARD READER ASSY MAIN-BEZEL BOXER X1 ASSY MAIN-BEZEL NO SD BOXER X1 TBD TBD CPU/PROCESSOR CPU INTEL CELERON DUAL - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 91
HDD 500GB SGT ST3500418AS 7.2K HDD 500GB 3.5" SEAGATE ST3500418AS 7.2K HDD 500GB WD5000AAKS-22V1A0 Acer Part No. KV.0160D.016 KV.0160F.002 KU.0160D.049 KU.0160D.052 KU .003 KH.32001.015 KH.32001.020 KH.32007.006 KH.32008.016 KH.50001.012 KH.50001.019 KH.50008.014 Aspire AX1920 Service Guide 83 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 92
WD WD6400AAKS-22A7B2 XL320-M CPU HEATSINK AIR COOLER LGA775 72*72 65W AVC CPU COOLER LGA775 45W 72*72 AVC CPU HEATSINK FAN COOLER INTEL LGA775 B KB CHICONY KB-0759 PS/2 105K B KEYBOARD PS2 SK-9620 SG-30600 Acer Part No. KH.50001.022 KH.50008.022 KH.64007.001 KH.64008.003 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 93
105K B KB CHICONY KB-0759 PS/2 104K B KEYBOARD PS2 SK-9620 SG-30600 KB CHICONY KB-0759 PS/2 105K B Acer Part No. KB.PS203.293 KB.PS203.294 KB.PS203.295 KB.PS20B.080 KB.PS203.296 KB.PS203.297 KB.PS20B KB.PS20B.092 KB.PS203.308 KB.PS203.309 KB.PS20B.094 KB.PS203.310 Aspire AX1920 Service Guide 85 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 94
-30600 KB SK-9620 107K PT/BR NO EURO# KEYBOARD PS2 SK-9620 SG-30600 KEYBOARD PS2 SK-9620 SG-30600 Acer Part No. KB.PS203.311 KB.PS203.312 KB.PS203.313 KB.PS203.314 KB.PS203.315 KB.PS203.316 KB. KB.PS20B.073 KB.PS20B.075 KB.PS20B.076 KB.PS20B.078 KB.PS20B.079 KB.PS20B.081 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 95
BLACK ARABIC/ENGLISH KEYBOARD 104KEY PS/2 LITE-ON SK9611 BLACK THAILAND Aspire AX1920 Service Guide Description KEYBOARD PS2 SK-9620 SG-30600 KEYBOARD PS2 SK-9620 SG /2? ?104K? BLACK ARABIC/EN KB SK-9611 ?PS/2? ?104K ?BLACK THAILAND Acer Part No. KB.PS20B.083 KB.PS20B.084 KB.PS20B.085 KB.PS20B.086 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 96
?PS/2 ?104K ?BLACK ?GREEK KB SK-9611 ?PS/2 105K ?BLACK ?DANISH KB SK-9611 ?PS/2 ?104K? BLACK ?CZECH Acer Part No. KB.PS20B.121 KB.PS20B.122 KB.PS20B.123 KB.PS20B.124 KB.PS20B.125 KB.PS20B.126 KB.PS20P.084 KB .PS20B.140 KB.PS20B.141 KB.PS20B.142 KB.PS20B.143 KB.PS20B.144 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 97
?104K? BLACK ?TURKMEN KB SK-9611 ?PS/2 ?105K? BLACK ?NORDIC KB SK-9611 ?PS/2 ?105K? BLACK ENGLISH/CA Acer Part No. KB.PS20B.145 KB.PS20B.146 KB.PS20B.147 KB.PS20B.148 KB.PS20B.149 KB.PS20B.150 KB.PS20B.151 PS20P.083 KB.PS20P.085 KB.PS20P.087 KB.PS20P.088 KB.PS20P.089 Aspire AX1920 Service Guide 89 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 98
KAZAKH KB KB36211 PS2 104K BLACK TURKMEN KB KB36211 PS2 105K BLACK NORDIC KB KB36211 PS2 105K BLACK ENGLISH/CANADI Acer Part No. KB.PS20P.090 KB.PS20P.091 KB.PS20P.092 KB.PS20P.093 KB.PS20P.094 KB.PS20P.095 KB.PS20P.111 KB.PS20P.112 KB.PS20P.113 KB.PS20P.114 KB.RF40B.042 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 99
SV KB&MS PACK RF LITEON A1B UK KB&MS PACK RF LITEON A1B DUTCH KB&MS PACK RF LITEON A1B SW Acer Part No. KB.RF40B.043 KB.RF40B.044 KB.RF40B.045 KB.RF40B.046 KB.RF40B.047 KB.RF40B.048 KB. 053 KB.RF40B.054 KB.RF40B.055 KB.RF40B.056 KB.RF40B.057 KB.RF40B.058 KB.RF40B.059 Aspire AX1920 Service Guide 91 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 100
) KB&MS PACK RF LITEON A1B KAZAKH KB&MS PACK RF LITEON A1B TURKMEM KB&MS PACK RF LITEON A1B NOR Acer Part No. KB.RF40B.060 KB.RF40B.061 KB.RF40B.062 KB.RF40B.063 KB.RF40B.064 KB.RF40B.065 KB. KB.RF40B.073 KB.RF40B.074 KB.RF40B.075 KB.RF40B.076 KB.RF40B.077 KB.RF40B.078 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 101
FR KB&MS PACK RF PRIMAX A1B XC KB&MS PACK RF PRIMAX A1B JA KB&MS PACK RF PRIMAX A1B DE Acer Part No. KB.RF40B.079 KB.RF40B.080 KB.RF40B.081 KB.RF40B.082 KB.RF40B.092 KB.RF40P.001 KB. 006 KB.RF40P.007 KB.RF40P.008 KB.RF40P.009 KB.RF40P.010 KB.RF40P.011 KB.RF40P.012 Aspire AX1920 Service Guide 93 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 102
RO Acer Part No. KB.RF40P.013 KB.RF40P.014 KB.RF40P.015 KB .RF40P.016 KB.RF40P.017 KB.RF40P.018 KB.RF40P.019 KB.RF40P.020 KB.RF40P.021 KB.RF40P.022 KB.RF40P.023 KB.RF40P.024 KB.RF40P.025 KB.RF40P.026 KB.RF40P.027 KB.RF40P.028 KB.RF40P.029 KB.RF40P.030 KB.RF40P.031 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 103
S- KB USB SK-9625 SG30700-XMW T- KB CHICONY KU-0760 USB 104K BL KB CHICONY KU-0760 USB 104K BL Acer Part No. KB.RF40P.032 KB.RF40P.033 KB.RF40P.034 KB.RF40P.035 KB.RF40P.036 KB.RF40P.037 KB. USB0B.158 KB.USB03.193 KB.USB0B.160 KB.USB0B.159 KB.USB03.194 KB.USB03.195 Aspire AX1920 Service Guide 95 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 104
BL KB CHICONY KU-0760 USB 105K BL KEYBOARD USB SK-9625 SG-30700 KB CHICONY KU-0760 USB 105K BL Acer Part No. KB.USB0B.161 KB.USB03.196 KB.USB0B.162 KB.USB03.197 KB.USB0B.163 KB.USB03.198 KB KB.USB0B.173 KB.USB03.208 KB.USB03.209 KB.USB03.210 KB.USB0B.176 KB.USB03.211 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 105
SK-9625 105K NR EURO#NIW/O KB CHICONY KU-0760 USB STANDARD 109KS JA KB USB SK-9625 SG30700-2VW JA Acer Part No. KB.USB03.212 KB.USB03.213 KB.USB03.214 KB.USB03.215 KB.USB03.216 KB.USB03.217 KB USB03.227 KB.USB03.228 KB.USB03.229 KB.USB0B.195 KB.USB03.309 KB.USB0B.199 Aspire AX1920 Service Guide 97 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 106
9625 SG-30700 KEYBOARD USB SK-9625 SG-30700 KEYBOARD USB SK-9625 SG-30700 KB USB SK-9625 SG30710-41W 10 Acer Part No. KB.USB03.311 KB.USB0B.043 KB.USB0B.164 KB.USB0B.165 KB.USB0B.166 KB.USB0B.167 USB0B.184 KB.USB0B.185 KB.USB0B.186 KB.USB0B.187 KB.USB0B.188 KB.USB0B.189 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 107
SK-9621B USB 105K BLACK SWISS/G KB SK-9621B USB 105K BLACK BELGIUM KB SK-9621B USB 105K BLACK ICELANDIC Acer Part No. KB.USB0B.191 KB.USB0B.192 KB.USB0B.193 KB.USB0B.194 KB.USB0B.196 KB.USB0B.330 .344 KB.USB0B.345 KB.USB0B.346 KB.USB0B.347 KB.USB0B.348 KB.USB0B.349 Aspire AX1920 Service Guide 99 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 108
PRIMAX KB36211 USB 104KS BLACK SIMPLI KB PRIMAX KB36211 USB 104KS BLACK ARABIC KB PRIMAX KB36211 USB 104KS BLACK THAILA Acer Part No. KB.USB0B.350 KB.USB0B.351 KB.USB0B.352 KB.USB0B.353 KB.USB0B.354 KB.USB0B. .USB0B.377 KB.USB0P.002 KB.USB0P.003 KB.USB0P.005 KB.USB0P.006 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 109
PRIMAX KB36211 USB 105KS BLACK TURKIS KB PRIMAX KB36211 USB 105KS BLACK TURKIS Acer Part No. KB.USB0P.007 KB.USB0P.008 KB.USB0P.009 KB.USB0P .USB0P.011 KB.USB0P.012 KB.USB0P.013 KB.USB0P.014 KB.USB0P.015 KB.USB0P.016 KB.USB0P.017 KB.USB0P.018 KB.USB0P.019 KB .033 Aspire AX1920 Service Guide 101 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 110
106KS BLACK SPANISH LATIN AARCHER EG41MK_1394(N)_LOGO( N) Acer Part No. KB.USB0P.034 KB.USB0P.035 015 DIMM 2G 75.A73C1.G02 DDR3 1333MHZ DIMM 2G M378B5673EH1CH9 DIMM 2G M378B5673FH0CH9 DIMM 2G GU512303EP0202 UNB. KN.2GB01.025 KN.2GB0B.014 KN.2GB0B.024 KN.2GB0H.009 102 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 111
POWER SUPPLY 220W CHICONYPOWER PFC CPB09-D220A AAGASSI SCREW I NO6-32 L5 BZN SCREW PAN #6-32 L6 NI BOXER WZS SCREW PAN M3 L5 BZN SCREW FLAT #6-32*3/16 NI SCREW MA HEX #6-32 5MM NI SCREW #6-32 L5 PAN NI SPEAKER CHIAMAW 9M-20A200-000 ACER .B60 SP.10600.011 SP.10600.013 Aspire AX1920 Service Guide 103 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 112
power Specification Intel® Pentium® Dual-Core Processors for Desktop E6800 E6700 E5800 E5700 3.33 GHz 3.2 GHz 3.2 GHz 3.0 GHz 1066 MHz 1066 MHz 800 MHz 800 MHz 12.5 10 16 15 2 MB 2 MB 2 MB 2 MB 45 nm 45 nm 45 nm 45 nm 65 W 65 W 65 W 65 W Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 113
Specification Integrated in the Intel® G41 Express Chipset 2 4 GB (using two 2 GB modules) 800/1066/1333 MT/s 1-, or 2 GB 240-pin DDR3 SO-DIMM Kingston, A-Data, Unifosa You can install memory modules in any combination as long as they match the above specifications. 93 Aspire AX1920 Service Guide - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 114
Digital (SD) - supports up to 2 TB • MultiMedia Card (MMC) - supports up to 32 GB • Reduced-Size MultiMediaCard (RS-MMC) - supports up to 2 TB • CompactFlash, Type I/II (CF, Type I and II) - supports up to 2 TB • Memory Stick PRO (MS PRO) - supports up to 32 GB Aspire AX1920 Service Guide 94 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 115
Controller 10/100/1000 Mbit RJ-45 Audio Item Controller Audio jacks Specification • Realtek ALC662 5.1 Channel High Definition Audio Codec • Front panel: Headphone and microphone jacks • Rear panel: Microphone, line-out, and line-in jacks Power Supply Unit Item Vendor and Model Input Output (max - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 116
Aspire AX1920 Service Guide 96 - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 117
, rear 5 specifications 95 troubleshooting 58 B beep codes 60 BIOS checkpoints 46 clear CMOS 67 crisis recovery disk 62 recovery 62 specifications 93 update, DOS mode 63 update, Windows mode 64 BIOS version system 10 block diagram 69 boot block beep codes 60 execute 62 boot sequence 12 C card reader - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 118
58 monitor port 5 N name product 10 98 O ODD, see optical disc drive 1 operating system 1 optical disc drive configuration 11 remove 29 specifications 94 troubleshooting 57 OS support 1 P panel rear 5 PC Health Status 16 POST, see Power-On Self-Test 47 power ACPI compliance 2 specifications 2 power - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 119
monitoring 16 operating 3 troubleshooting BIOS checkpoints 46 BIOS recovery 62 BIOS update 63 clearing CMOS 67 component failure 56 POST error indicators 50 type processor 10 U undetermined problems 61 USB ports front 5 user password 18 V VGA port 5 video controller 1 troubleshooting 58 W wireless - Acer Aspire X1920 | Acer Aspire X1920 Desktop Service Guide - Page 120
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