Acer Aspire X1420 Acer Aspire X1400 and X1420 Desktop Series Service Guide
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- Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 1
Aspire AX1400 Desktop Computer Service Guide PRINTED IN TAIWAN - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 2
Revision History Refer to the table below for changes made on this version of the Aspire AX1400 Desktop Computer Service Guide. Date Chapter Updates ii Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 3
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 otherwise, without the prior written permission of Acer Incorporated. Disclaimer The information in this guide is subject to - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series 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 AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 5
regional office MAY have decided to extend the functionality of a machine (e.g. add-on card, modem, or extra memory capability). These LOCALIZED FEATURES will NOT be covered in this generic service guide. In such cases, please contact your regional offices or the responsible personnel/channel to - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 6
vi Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 7
the Memory Modules 36 Removing the Power Supply Unit 36 Removing the Front I/O and Optional Card Reader Assemblies 38 Removing the Mainboard 43 Troubleshooting 45 Hardware Diagnostic Procedure 45 System Check Procedures 45 Checkpoints 46 POST Error Indicators 50 BIOS Recovery 61 BIOS - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 8
Table of Contents Technical Specifications 88 Processor 88 Chipsets 88 BIOS 88 Memory 89 Hard Disk Drive 89 Optical Disc Drive 90 Card Reader (optional 90 Gigabit Ethernet 90 Audio 90 Power Supply Unit 91 Power Management 91 Index ...93 viii - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 9
exact configuration of your PC depends on the model purchased. Refer to the FRU list chapter on page 69 for a detailed list of models supported by each hardware component. System Features Component Operating system support Processor Chipset Graphics controller Memory Expansion options Connectivity - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 10
(optional) TV tuner (optional) Power supply Antivirus software System BIOS Power management Audio Item Audio codec Audio jacks Description • 9-in-1 card reader (optional) • The following memory cards are supported: - Memory Stick (MS), Memory Stick Micro (M2) - xD-Picture Card (xD) - Secure Digital - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series 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 367.8 mm (D) x 269 mm (H) 5. Operating humidity Description 5 to 35 °C (41 to 95 °F) 15% to 80% RH non-condensing Aspire AX1400 Service Guide 3 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 12
2 Optical drive cover 3 Optical drive button 4 XD (XD-Picture) and SD/MMC (Secure Digital/MultiMedia Card) slots 5 CF card slot (Type I and II) 6 USB 2.0 ports 7 Headphone jack 8 Microphone-in jack 9 USB 2.0 ports 10 USB 2.0 port 11 Acer logo 4 Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 13
Rear View No. Component 1 Line-in jack 2 LAN connector 3 PS/2 mouse port 4 Power connector 5 Fan aperture 6 PS/2 keyboard port 7 Monitor port 8 USB 2.0 ports 9 Microphone jack 10 Line-out jack 11 Expansion slots Aspire AX1400 Service Guide 5 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 14
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" message) to make changes to the 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 is turned off. The values take effect - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 16
Delete. If you fail to press Delete before POST is completed, you will need to restart the computer. Use the Up/Down/Left/Right arrow keys to move between the menu options, then press Enter the Up/Down/Left/Right arrow keys to scroll through the items in the submenu 8 Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series 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 AX1400 Service Guide 9 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series 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 AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 19
POST. Options include: • All Errors - Any error detected will pause the system. • No Errors - BIOS will ignore any errors detected during POST • All, but Keyboard - If a keyboard error is detected, BIOS will pause the system. All Errors No Errors All, But Keyboard Aspire AX1400 Service Guide 11 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 20
, when anything attempts to access the boot sector or hard disk partition table, there will be no warning message. Select whether to allow the BIOS to emit error beeps or display error messages during USB device enumeration. On Off Enabled Disabled Enabled Disabled 12 Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 21
sequence is: PCIE, Onboard, then PCI. When a GPU expansion board is installed, you can select how the system video memory (frame buffer) is allotted. Value Enabled Disabled Enabled Disabled Enabled Disabled Auto PCIE Onboard PCI Auto 32 MB 64 MB 128 MB 256 MB Aspire AX1400 Service Guide 13 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 22
the onboard LAN controller. Onboard LAN Option ROM Enables or disables the onboard LAN option ROM function. Value Enabled Disabled Native IDE Enabled Disabled Enabled Disabled Auto Floppy Hard Disk Enabled Disabled Enabled Disabled Enabled Disabled Enabled Disabled 14 Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 23
network message. Enables or disables the system to wake up from a power-saving mode when a PS/2 keyboard or mouse is used. Value S3 (STR) S1 (POS) Enabled Disabled Enabled Disabled Enabled Disabled Enabled Disabled Enabled Disabled Enabled Disabled Enabled Disabled Aspire AX1400 Service Guide 15 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 24
PC Health Status Field CPU Temperature System Temperature CPU Fan Speed System Fan Speed CPU Core +1.2V +3.30V +5.00V +12.0V 5VSB VBAT Description Value These items lets you monitor the parameters for critical voltages, temperatures and fan speeds. 16 Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 25
problems with other electronics in the area. Note: Remember to disable the Spread Spectrum feature if you are overclocking. A slight jitter can introduce a temporary boost in clock speed causing the overclocked processor to lock up. Value Enabled Disabled Enabled Disabled Aspire AX1400 Service - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 26
BIOS Security System passwords are case-insensitive. • When you are prompted to enter a password, you have three tries before the system 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 AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 27
Press Enter. 6. Press F10 to save the password and close the Setup Utility. To remove a system password: NOTE When the supervisor password is removed, the user password will also be remove. 1. Select F10 to save the changes you made and close the Setup Utility. Aspire AX1400 Service Guide 19 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 28
You will be prompted to load the system defaults. 2. Select OK, then press Enter. 3. Press F10 to save the changes you made and close the Setup Utility. Save & Exit Setup Execute this menu to save the changes made and closes the Setup Utility. Keyboard shortcut: F10 20 Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 29
Exit Without Saving Execute this menu to closes the Setup Utility without making any changes. Aspire AX1400 Service Guide 21 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series 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 AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 32
2.5 cm (1.0 in) to release it from the chassis notches, then detach the panel from the chassis. 3. Put the side panel aside for reinstallation later. 24 Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series 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 AX1400 Service Guide 25 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 34
Removing the Heat Sink Fan Assembly WARNING:The heat sink becomes very hot when the system is on. NEVER touch the heat sink with any metal or with your hands. 1. Use a long- on top of the optical drive, as shown below, then disconnect the fan cable from the mainboard. 26 Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 35
make sure to create a backup file of all important data. WARNING:The processor becomes very hot when the system is on. Allow it to cool off first before handling. 1. Release the load lever (1). 2. Pull to make sure the processor is properly oriented over the socket. Aspire AX1400 Service Guide 27 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series 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 the bracket up and turn it over. 28 Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 37
Removing the Optical Drive and the Hard Disk Drive 1. Disconnect the SATA and power cables from the rear of the optical drive. 2. Disconnect the other end of the SATA cable from the mainboard. Aspire AX1400 Service Guide 29 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 38
3. Disconnect the SATA and power cables from the rear of the hard disk drive. 4. Disconnect the other end of the SATA cable from the mainboard. 30 Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series 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 AX1400 Service Guide 31 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series 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 AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 41
Removing the Front Bezel 1. Disconnect the power button/LED cable from its mainboard connector. 2. Pull out the power button/LED cable from the chassis. 3. Detach the front bezel. Aspire AX1400 Service Guide 33 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 42
Removing the Expansion Boards 1. Remove the screw from the expansion board bracket opposite the PCIEX2 slot. 2. Gently pull up the expansion board to remove it from the mainboard. 34 Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 43
3. Remove the screw from the expansion board bracket opposite the PCI_1 slot. 4. Gently pull up the expansion board to remove it from the mainboard. Aspire AX1400 Service Guide 35 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 44
the Power Supply Unit 1. Disconnect the 4-pin and the 24-pin ATX power supply cables from its mainboard connector. a. Squeeze on the retaining latch (a) attached to the cable end of the connector. b. Grasp the cable end of the connector and pull it straight up (b). 36 Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 45
2. Remove the screw that secures the power supply to the chassis. 3. Remove the three screws that secure the power supply to the rear panel. Aspire AX1400 Service Guide 37 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 46
4. Lift the power supply module out of the chassis. 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. 38 Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 47
2. Pull up the plastic clips to release the cables. Aspire AX1400 Service Guide 39 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 48
3. Remove the optional card reader assembly. a. Remove the two screws that secure the optional card reader assembly to the bracket. b. Pull the optional card reader assembly out of the bracket. 4. Remove the front I/O and optional card reader board bracket. 40 Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 49
a. Remove the screw that secures the bracket to the chassis. b. Pull the bracket out the chassis. Aspire AX1400 Service Guide 41 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 50
5. Remove the front I/O assembly. a. Remove the two screws that secure the front I/O assembly to the bracket. b. Remove front I/O assembly from the bracket. 42 Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 51
Removing the Mainboard 1. Remove the four screws that secure the mainboard to the chassis. Note:Circuit boards >10 cm2 has been highlighted with the yellow rectangle as above image shows. Please detach the Circuit boards and follow local regulations for disposal. Aspire AX1400 Service Guide 43 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 52
2. Lift the board from the chassis. 3. Remove the RTC battery. Note:RTC battery has been highlighted with the yellow circle as above image shows. Please detach the RTC battery and follow local regulations for disposal. 44 Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 53
on the rear panel are not blocked. 3. Make sure that there is no point of contact in the system that can cause a power short. If the cause of the failure is still can not be determined, perform the "System Internal Inspection" procedure described on the next page. Aspire AX1400 Service Guide 45 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 54
connectors. 9. Verify that all components are Acer-qualified and supported. 10. Reinstall the side panel. 11. Power on the system. If the cause of the failure is still can not be determined, review the POST messages and BIOS checkpoints during the system startup. Checkpoints A checkpoint is either - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 55
Bootblock code is copied from ROM to lower system memory and control is given to it. BIOS now executes 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 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 56
3B Description Disable NMI, Parity, video for EGA, and DMA controllers. Initialize BIOS, POST, Runtime data area. Also initialize BIOS modules on memory installed in the system. Also, Check for DEL or ESC keys to limit memory test. Display total memory in the system. 48 Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 57
system RAM size if needed. Updates CMOS memory size from memory found in memory test. Allocates memory for Extended BIOS Data Area from base memory. Programming the memory chipset registers. Save system context for ACPI. Passes control to OS Loader (typically INT19h). Aspire AX1400 Service Guide 49 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 58
Boot Output Device Initialization (function 2). Function 0 disables all device nodes, PCI devices, and PnP ISA 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 in PCI-PCI bridges, and - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 59
a bootable device in the system and/or removable media drive does not contain media. BIOS could not find a bootable device in the system and/or removable media drive does not contain media. This message occurs on some systems when no bootable device can be detected. Aspire AX1400 Service Guide 51 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series 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 AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series 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 AX1400 Service Guide 53 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series 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 AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series 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 X1420 | Acer Aspire X1400 and X1420 Desktop Series 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 AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 65
system 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 AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 66
received normally; voice from modem cannot be produced, but system sound feature works normally.) Action/FRU • For an external modem, make sure Power on By Ring in BIOS Setup or Power Management is set to Enabled. For the PCI modem, make sure Wake up by PCI card is set to Enabled. • If a PCI modem - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series 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 AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 68
. • Something is wrong with the mainboard. BIOS damaged. Processor jump to boot block to execute the default procedure. CMOS checksum error 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 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 69
device from the computer. Performing a BIOS Recovery 1. Shut down the BIOS failed-computer. 2. Connect the USB storage device containing the "amiboot.rom" file to the failed computer. 3. Press the power button to turn on the computer. The system will now execute the BIOS recovery process. When the - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 70
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. 62 Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 71
power 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'. Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 72
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'. 64 Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 73
the 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 AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 74
the 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. 66 Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 75
System Architecture Chapter 5 This chapter shows the block diagram and board layout of the Aspire AX1400 computer. Block Diagram The core subsystems of the Aspire AX1400 computer are depicted in the following block diagram. Aspire AX1400 Service Guide 67 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 76
-pin slots ITE 8758 Standard 24-pin power connector Serial ATA connectors 12-pin DEBUG port 12-pin power cable header Front panel USB header Front panel card reader header Front panel audio jack header 4-pin connector Keyboard and mouse connectors Clear CMOS jumper 68 Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 77
Setting This section explains how to set the jumper for correct configuration of the main board. Jumpers with more than one pin are numbered. When setting a jumper, ensure that 1-2: Close (default) 2-3: Open Before clearing the CMOS, make sure to turn off the system. Aspire AX1400 Service Guide 69 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 78
3: USB2_XN 4: USB4_XN 5: USB2_XP 6: USB4_XP 7:GND 8: GND 9: KEY 10: GND 1: PORT-F_L 2: AUGND 3: PORT-F_R 4: FRONT_AUD_DET 5: PORT-E_R 6: MIC2_JD 7: AUGND 8: KEY 9: PORT-E_L 10: LINE2_JD 70 Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 79
17:GND 6:VCC 18:GND 7:GND 19:GND 8:ATX_PWRGD 20:NC 9:5VSB 21VCC 10:+12V 22:VCC 11:+12V 23:VCC 12:VCC3 24:GND Aspire AX1400 Service Guide 71 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 80
following for information on connecting the main board's optional devices: SATA1~2: Serial ATA connectors These connectors are used to support the new Serial ATA devices for the highest datatransfer rates (3.0 Gb/s), simpler disk drive cabling and easier PC assembly. It elimi-nates limitations of - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 81
USB_FP_P0+ 6 USB_FP_P1+ 7 GND 8 GND 9 Key 10 USB_FP_OC0 Function Front Panel USB Power Front Panel USB Power USB Port 0 Negative Signal USB Port 1 Negative Signal USB Port 0 Positive Signal USB Port 1 Positive Signal Ground Ground No pin Overcurrent signal Aspire AX1400 Service Guide 73 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 82
. 3. Connect the case switches and indicator LEDs to the LEDH1. 4. Connect the auxiliary case power supply connector to PWR1. CPUFAN1: CPU Cooling Fan Power Connector Pin Signal Name 1 GND 2 +12V 3 Sense 4 PWM Function System ground Power +12V Sensor PWM 74 Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 83
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 (+) Aspire AX1400 Service Guide 75 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 84
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you the FRU (Field Replaceable Unit) listing of the Aspire AX1400 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 X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 86
.001 FX.10100.003 MODEM CARD 56K PRO-NETS PRONETS VD56UL EXTERNAL USB REV 1.0 WIRELESS LAN BOARD 802.11BGN LITEON WN7600R WIRELESS LAN BOARD 802.11BGN PRONETS WU71RL USB WIRELESS LAN BOARD 802.11BGN 1X1 RALINK RT3090 LOW-PROFILE VGA CARD PCPARTNER 2881N141-A00AC NVIDIA GT315 512MB SDDR3 DVI+HDMI - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 87
160U AM3+ 1.8G IC CPU ATHLONII 250U AM3+ 1.6G IC CPU ATHLONII 260U AM3+ 1.8G Acer Part No. 33.SE301.001 60.SE901.001 60.SE201.002 60.SE901.002 33.SC101.002 60.SE201.004 KC.AT202.240 KC.AT202.215 KC KC.AE202.400 KC.AE202.405 KC.AU202.160 KC.AU202.250 KC.AU202.260 Aspire AX1400 Service Guide 79 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 88
014 HDD 640GB 3.5" 7200RPM HGST HDT721064SLA360 SATURN SATA HDD 640GB HGST HDT721064SLA360 KH.64007.001 HDD 640GB 3.5" 7200RPM SATA II 32MB HGST HDS721064CLA332 JUPITER HDD 640GB HGST HDS721064CLA332 ST31000528AS LF HDD 1TB SGT ST31000528AS 7.2KR KH.01K01.007 80 Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 89
.003 KH.15K08.001 KH.15K01.002 HI.10800.035 HI.10800.024 KB.PS203.284 KB.PS203.285 KB.PS203.286 KB.PS203.287 KB.PS203.288 KB.PS203.289 KB.PS203.290 KB.PS203.291 KB.PS203.292 KB.PS203.293 KB.PS203.294 KB.PS203.295 Aspire AX1400 Service Guide 81 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 90
KB-0759 PS/2 105K B KEYBOARD PS/2 105 KEY BLACK SPANISH LATIN W/O EKEY KB CHICONY KB-0759 PS/2 105K B Acer Part No. KB.PS203.296 KB.PS203.297 KB.PS203.298 KB.PS203.299 KB.PS203.300 KB.PS203.301 KB.PS203. KB.PS203.312 KB.PS203.313 KB.PS203.314 KB.PS203.315 KB.PS203.316 Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 91
BR NO EURO# KEYBOARD PS2 SK-9620 SG-30600 KEYBOARD PS2 SK-9620 SG-30600 KEYBOARD PS2 SK-9620 SG-30600 Acer Part No. KB.PS203.319 KB.PS203.320 KB.PS203.321 KB.PS203.322 KB.PS203.323 KB.PS203.328 .076 KB.PS20B.077 KB.PS20B.078 KB.PS20B.079 KB.PS20B.080 KB.PS20B.081 Aspire AX1400 Service Guide 83 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 92
PS2 SK-9620 SG-30600 KEYBOARD PS/2 105 KEY BLACK KAZAKH W/O EKEY KB SK-9620 105K KA NO EURO#NIW Acer Part No. KB.PS20B.082 KB.PS20B.083 KB.PS20B.084 KB.PS20B.085 KB.PS20B.086 KB.PS20B.087 KB. .099 KB.PS20B.100 KB.PS20B.101 KB.PS20B.102 KB.PS20B.103 KB.PS20B.104 Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 93
SG-30610-93W BLACK 30610-93W EN ENGLISH/CANADIAN FRENCH MAIN BOARD DA061L/ AMANALO WNMCP61PGBEM W/RTC BATTERY W/O CPU&MEMORY MB WNMCP61PGBEM DA061L/AMANALO Acer Part No. KB.PS20B.105 KB.PS20B.106 KB.PS20B.109 2GB07.002 DIMM 2G NT2GC64B8HA0NF-CG KN.2GB03.016 Aspire AX1400 Service Guide 85 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 94
PS2 OPT 910000849 LOGI MOUSE PS2 OPT SM9620 LITEON Acer Part No. MS.11200.013 MS.11200.017 POWER SUPPLY SCREWS SPEAKER POWER SUPPLY 220W NPFC 115V/230V LITEON PS-522106A1-ROHS EUP CHIAMAW 9M20A200-000 ACER LOGO LF 0810 SPEAKER ACER LOGO/ SP.10600.011 LF0810 86 Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 95
Aspire AX1400 Service Guide 87 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 96
MB Yes 65 W Item Series Model No. of cores Base frequency L2 cache DDR3 speed support Thermal design power Specification AMD Sempron 140 1 2.70 GHz 1.0 MB Yes 45 W AMD Athlon™ II (MCP78) BIOS Item BIOS chip Setup utility Specification AMI BIOS CMOS Setup Utility Aspire AX1400 Service Guide 88 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 97
install memory modules in any combination as long as they match the above specifications. Hard Disk Drive Item Controller Number of HDD bays Form factor Interface Supported capacities • WD - WD10EADS-22M2B0 • Seagate Brinks - ST31500341AS • WD - WD15EADS-22P8B0 89 Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 98
Card compatibility Specification 9-in-1 • Memory Stick (MS) - supports up to 32 GB • Memory Stick Micro (M2) - supports up to 32 GB • xD-Picture Card (xD) - supports up to 2 GB • Secure Digital (SD) - supports up to 2 TB • MultiMedia Card (MMC) - supports -in jacks Aspire AX1400 Service Guide 90 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 99
Power Supply Unit Item Vendor and Model Input Output Power Management Devices Power Button USB Keyboard/Mouse PME RCT WOR S1 V V Disabled Disabled Disabled S3 V V Disabled Disabled Disabled S4 V N/A Disabled Disabled Disabled S5 V N/A Disabled Disabled Disabled 91 Aspire AX1400 Service Guide - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 100
Aspire AX1400 Service Guide 92 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 101
options 1 specifications 90 D DIM checkpoints 50 disassembly procedures card reader assembly 38 expansion board 34 front bezel 25, 33 front I/O assembly 38 hard disk drive 29 HDD-ODD bracket 28 mainboard 43 memory 36 optical disc drive 29 power supply unit 36 side panel 24 tools 23 E environmental - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 102
20 side panel remove 24 software specifications antivirus 2 operating system 1 specifications audio 90 card reader 90 Ethernet 90 hard disk drive 89 memory 89 optical disc drive 90 power management 91 power supply unit 91 processor 88 system BIOS 88 system chipsets 88 Standard CMOS Features menu 11 - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 103
19 set 19 system time 11 system views rear view 5 system weight 3 T temperature monitoring 16 operating 3 troubleshooting BIOS checkpoints 46 BIOS recovery 61 BIOS update 62 clearing CMOS 66 component failure 56 hardware diagnostic procedure 45 POST error indicators 50 U undetermined problems 60 USB - Acer Aspire X1420 | Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 104
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