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Acer AT110 F2, Руководство по обслуживанию

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65

 

BIOS Beep Codes 

 

 

BIOS Beep Codes Table 

PEI Beep Codes 

 

# of Beeps 

Description 

1 Memory 

not 

Installed. 

1 

Memory was installed twice (InstallPeiMemory routine in PEI Core called twice) 

2 Recovery 

started 

3 

DXEIPL was not found 

3 

DXE Core Firmware Volume was not found 

4 Recovery 

failed 

4 

S3 Resume failed 

7 

Reset PPI is not available 

 

DXE Beep Codes 

 

# of Beeps 

Description 

1 

Invalid password   

4 

Some of the Architectural Protocols are not available 

5 

No Console Output Devices are found 

5 

No Console Input Devices are found 

6 

Flash update is failed 

7 

Reset protocol is not available 

8 

Platform PCI resource requirements cannot be met 

 

 

BIOS Recovery Instruction 

 

AMI has an embedded recovery technique. In the event that the BIOS becomes corrupt the boot block can be used to 
restore the BIOS to a working state. To restore your BIOS, please follow the instructions listed below:   

 

Recovery Instruction: 

 

1 

Prepare a bootable handy drive or floppy diskette   

2 

Copy the image file to the bootable hand drive or the bootable floppy diskette. 

3 

Rename the image file to "FLASHABL.ROM". 

Содержание AT110 F2

Страница 1: ...Acer AT110 F2 Service Guide PART NO PRINTED IN TAIWAN ...

Страница 2: ...made on Acer AT110 F2 service guide Date Chapter Updates Copyright Copyright 2009 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 otherwise without the prior written per...

Страница 3: ... bits and pieces of additional information related to the current topic WARNING Alerts you to any damage that might result from doing or not doing specific actions CAUTION Gives precautionary measures to avoid possible hardware or software problems IMPORTANT Reminds you to do specific actions relevant to the accomplishment of procedures ...

Страница 4: ...evices This type of damage may reduce the life expectancy of the device To prevent electrostatic damage Avoid hand contact by transporting and storing products in static safe containers Keep electrostatic sensitive parts in their containers until they arrive at static free workstations Place parts on a grounded surface before removing them from their containers Avoid touching pins leads or circuit...

Страница 5: ...I SERVER WARNINGS AND CAUTIONS III TABLE OF CONTENTS 1 MECHANICAL COMPONENTS 4 SYSTEM FRU LIST 6 SYSTEM COMPONENTS 9 SYSTEM SPECIFICATIONS 10 Hardware specification 10 Environmental specification 12 Mechanical specification 13 Power supply specification 14 APPEARANCE OF SYSTEM 16 Front view 16 Rear view 17 Internal Component 18 Switch and LED Indicators Introduction 19 ...

Страница 6: ...moval 27 Cooling Fan Installation Removal 28 Memory Installation Removal 29 PCI Expansion Card Installation Removal 30 Install the expansion card 30 Hard Disk Drive Installation Removal 31 Power supply installation Removal 32 Install a hot swap power supply module 32 CABLE ROUTING 33 Cable Routing image 33 BIOS SETUP 34 Main Menu 36 Advanced Menu 37 Processor Configuration 38 Memory Configuration ...

Страница 7: ...u 55 System Information 56 Event Log Configuration 57 Boot Option Menu 59 Boot Manager Menu 60 Exit Menu 61 TROUBLESHOOTING 62 Error Symptoms List 62 BIOS BEEP CODES 65 BIOS Beep Codes Table 65 PEI Beep Codes 65 DXE Beep Codes 65 BIOS Recovery Instruction 65 BIOS POST ERROR MESSAGES LIST 68 BIOS POST error message list 68 PEI Phase 68 DXE Phase 69 UNDETERMINED PROBLEMS 71 ...

Страница 8: ...tion 1 Right side cover 2 System support retainer 3 System bottom plate 4 System support retainer 5 System plastic stands 6 Hard drive cage 7 Hard drive bracket 8 Front door plate 9 Front bezel 10 Power button 11 Bezel lens 12 Power lens ...

Страница 9: ...ptical drive cage 14 USB bracket 15 USB bracket 16 Left side cover 17 Hard drive slider 18 Hard drive cage 19 Top cover 20 System top cover 21 CD ROM bracket patch 22 PCI retainer 23 Back cover 24 Rear window ...

Страница 10: ...6 System FRU List Item Photo Part number Chassis HS 31600 004 SATA ODD CABLE 7 PINS 500MM CA R4300 001 SATA HDD CABLE 7 PINS 500MM CA R4300 002 SAS HDD CABLE CA 31400 030 ...

Страница 11: ...7 Back I O SHIELD 33 R7H0L 001 FRONT BEZEL ASSEMBLY TZ R4700 001 SYSTEM FAN HI R4300 001 SYSTEM FAN SINK HI 10800 089 ...

Страница 12: ...8 Main Board MB R7H0A 001 FSP FSP450 60EP 450W POWER SUPPLY PY 45008 001 Mylar 47 R7G0L 001 ...

Страница 13: ...9 System components Item Description 1 Front Bezel door 2 Top cover 3 Power supply cage 4 Cooling fan cage 5 PCI card 6 Main board 7 Hard drive blank ...

Страница 14: ...Bridge DT H2 CPU Storage Controller Software RAID Integrated in Intel C202 VGA Controller XGI Volari Z9S with 64 MB RAM I O Subsystems PCI E1 PCI Express X16 line with 16 slot PCI E1 PCI Express X4 line with 8 slot PCI E1 PCI Express X2 line with 4 slot PCI 3 3V slot Memory Four DDR3 1066 1333MHz slots Support maximum 32GB I O Ports Front Panel Two USB Ports Rear Panel COM port Six USB Ports VGA P...

Страница 15: ...MM2A Two DIMM interleaving DIMM1A DIMM2A Four DIMM full memory configuration Memory Controller Integrated in Intel Sandy Bridge DT H2 CPU DIMM specifications Size Speed Type 1GB 2GB 4GB 8GB 1066 1333 MHz DDR3 Un buffered ECC DIMM Processor General processor specifications Items Description Manufacturing Technology 32 nm Thermal Design Power 95W Socket Type Sandy Bridge H2 ...

Страница 16: ...pressure level in full loading on bystander position 45 dBA Sound pressure level in idel mode on bystander position 35 dBA Sound pressure level in full loading on bystander position 40 dBA All temperature ratings shown are for sea level An altitude derating of 1 XC per 300 m 1 8 XF per 1 000 ft to 3048 m 10 000 ft is applicable No direct sunlight allowed Storage maximum humidity of 95 is based on ...

Страница 17: ...gy Extended System board dimensions Length Width 304 8mm 243 84mm System Dimensions Height Depth Width 358mm 180mm 450mm Server weight maximum configuration approximate Basic configuration excluding the keyboard and mouse Fully loaded configuration including the keyboard mouse and kits 8KG 12 2KG ...

Страница 18: ...n Model FSP300 60EP 1 Type 300W Dimensions Height Depth Width 86 mm 3 38 in 140 mm 5 5 in 150 mm 5 9 in Weight approximate 1 28 kg 2 82 lb Input requirements Rated input voltage Normal line voltage 100 127 VAC 220 240 VAC 115 VAC 230 VAC Line frequency 47 63 Hz Rated input current Load 7A at 100 127 VAC 3 5A at 220 240 VAC Inrush current No damage Power supply output power Rated steady state power...

Страница 19: ...ne voltage 100 127 VAC 220 240 VAC 115 VAC 230 VAC Line frequency 47 63 Hz Rated input current Load 8A at 100 127 VAC 4A at 220 240 VAC Inrush current No damage Power supply output power Rated steady state power Maximum peak power 450W 450W Operating conditions Temperature Humidity non condensing 5 50 C 41 122 F 5 95 at 55 C ...

Страница 20: ...16 Appearance of System Front view Item Component 1 USB connectors 2 LED indicator panel ...

Страница 21: ...power cord here 2 Serial port Connects to serial devices 3 Monitor port Connects to monitors 4 USB 2 0 ports Connects to USB devices 5 Gigabit LAN port Connects to an Internet or intranet network 6 PCI slot covers Protects to an Internet or intranet network 7 System fan Regulates the system airflow ...

Страница 22: ...18 Internal Component Item LED indicator 1 Release sliders for the HDD cages 2 Cooing fan assemblies 3 Power module bay 3 Cooing fan assemblies 4 PCI slot lock levers 5 Mainboard ...

Страница 23: ...ween system and network or no access Green Blink Network access 1 LAN Activity Off Disconnect Idle Green Blink HDD access 2 HDD Activity Off No HDD access 3 Power Green Solid On System is powered on Hard Disk Drive Sequence LED Description A drive activity LED indicator is mounted on the hot plug HDD carrier The table below lists the possible drive states Status Green Amber Description HDD access ...

Страница 24: ...scription Amber On GbE link network access Green On 100 Mbps link network access 1 Network speed top Off 10 Mbps link network access Green On Active network link Green Blinking Ongoing network data activity 2 Network connection bottom Off Off line network ...

Страница 25: ...21 System Block Diagram Socket LAN 82579LM PCH PCI E X 16 Slot Channel A 2 DDR3 Channel B 2 DDR3 SIO ITE 8728 PCI E X 8 PCI E X 4 PCI XGI TPM SATA Port X6 USB Port X10 COM Port SPI BOIS ...

Страница 26: ...therboard Placement and Jumper Setting Motherboard Component This section provides general information on changing jumper settings as well as specific jumper configuration for individual boards in the system ...

Страница 27: ...ctor 17 PWR_DET1 Power management connector 18 DIMM1B DIMM slot channel B 1 19 DIMM1A DIMM slot channel A 1 20 DIMM2B DIMM slot channel B 2 21 DIMM2A DIMM slot channel A 2 22 BAT1 Battery socket 23 P1 24 pin power connector 24 BIOS_JP1 BIOS recovery jumper 25 ME_F_JP1 ME recovery jumper 26 MFG_JP1 Manufacturing mode jumper 27 SA_JP1 SATA RAID enable jumper 28 PECI_JP1 PECI jumper 29 FLH_JP1 Flash ...

Страница 28: ...umper BIOS_JP1 1 2 Close Normal operation Default 2 3 Close BIOS recovery mode 3 ME Recovery Jumper MFG_F_JP1 1 2 Close Enable ME recovery Default 2 3 Close Disable ME recovery 4 Clear Password Jumper PWD_JP1 1 2 Close Normal operation Default 2 3 Close Clear password 5 Clear CMOS jumper CLR_CMOS1 1 2 Close Normal operation Default 2 3 Close Clear CMOS data ...

Страница 29: ... maintenance and troubleshooting To disassemble the Acer AT110F2 Server please pay attention to each section s instruction and tools needed NOTE The screws for the different components vary in size During the disassembly process group the screws with the corresponding components to avoid mismatch when putting back the components ...

Страница 30: ...rews located on the rear edge of the side panel 2 Press the side panel release button and slide the side panel toward the rear of the chassis to disengage it Removing the tower foot 1 Release the bezel door retention tabs from the chassis interior 2 Pull the bezel away from the chassis ...

Страница 31: ...rocessor make sure to back up all important system files Handle the processor and the HSF assembly carefully Damage to either may prevent the system from functioning properly NOTE A long nosed screwdriver is needed to remove install the HSF assembly 1 Release then lift up the load lever 2 Open the retention plate to expose the socket body 3 Insert the CPU with the correct orientation 4 Close the r...

Страница 32: ...le from mainboard 2 Use a long nosed screwdriver to loosen the four cooling fan mounting pins 3 Lift the cooling fan away from the mainboard 4 Lay down the cooling fan in an upright position with the thermal patch facing upward Do not let the thermal patch touch the work surface ...

Страница 33: ... used can differ with each slot Installation step 1 Insert the DIMM memory module vertically into the DIMM slot and push it down 2 Close the plastic clip at both edges of the DIMM slots to lock the DIMM module NOTE DIMM must be populated in order starting from DIMMA1 B1 socket For dual channel operation DIMMs must be installed in matched pairs 3 Reverse the installation steps when you wish to remo...

Страница 34: ...pansion slot 2 Pull out the slot cover and store it for reassembly later NOTE Do not discard the slot cover If the expansion card is removed in the future the slot cover must be reinstalled to maintain proper system cooling NOTE Remove the expansion card from its protective packaging handling it by the edges 3 Insert the card into the selected slot Make sure that the card is properly seated 4 Pres...

Страница 35: ...elease button and pull the blank out of the drive bay 3 Slide hard disk into blank 4 Make sure the HDD is seated securely in the HDD blank 5 Connect the necessary power cable To connect power cable Firstly remove the HDD carrier Note Make sure that the drive is properly inserted before pushing the handle back until it clicks into Place ...

Страница 36: ...supply module installed Install a hot swap power supply module 1 Remove the four securing screws from the back of system 2 Slide toward and lift to remove the power supply module from the system 3 To install a new power supply module please reverse the installation step 1and 2 4 After replacing a power supply module connect the necessary cables ...

Страница 37: ... Item Suggest Cable Item Suggest Cable 1 Front USB cable 2 Front switch cable Front LED cable 3 Case open intrusion cable 4 Serial port cable 5 Mini SAS cable 6 SATA cable onboard SATA to HDD 7 SATA cable onboard SATA to ODD 8 Power cable ...

Страница 38: ...edefining the communication ports to prevent any conflicts When modifying the power management configuration When changing the password or making other changes to the security setup When a configuration error is detected by the system and you are prompted Run Setup message to make changes to the BIOS setup NOTE If you repeatedly receive Run Setup messages the battery may be bad Ask qualified techn...

Страница 39: ...s Move between selections on the menu bar Up and Down arrow keys Move the cursor to the field you want PgUp and PgDn keys Move the cursor to the previous and next page of a multiple page menu Home Move the cursor to the first page of a multiple page menu End Move the cursor the last page of a multiple page menu and keys Select a value for the currently selected field only if it is user configurati...

Страница 40: ...p utility was created Processor CPU Type CPU Core Frequency CPU Count Technical specifications for the installed processor Memory Determines how much total memory is present during the POST System Date Set the date following the weekday month day year format System Time Set the system time following the hour minute second format ...

Страница 41: ...37 Advanced Menu The Advanced menu display submenu options for configuring the function of various hardware components Select a submenu item then press Enter to access the related submenu screen ...

Страница 42: ...38 Processor Configuration ...

Страница 43: ...sabled Intel EIST Support Enhanced Intel SpeedStep Technology Conventional Intel SpeedStep Technology switches both voltage and frequency in tandem between high and low levels in response to processor load Enabled Disabled P State Coordination In HW_ALL mode the processor hardware is responsible for coordinating the P state among logical processors dependencies The OS is responsible for keeping th...

Страница 44: ...is fetched Enabled Disabled CPU Speed The processor speed is the speed at which a microprocessor executes instructions Clock speeds are expressed in megahertz MHz with 1 MHz being equal to 1 million cycles per second The faster the clock the more instructions the CPU can execute per second EMT64 Displays Processor EMT64 support status Core Count Displays Processor core count information CPU Steppi...

Страница 45: ...memory detected during POST Memory Type Display information of installed memory type Memory Retest Select whether to delete the historical memory data log System memory will be retested on the next boot up Yes No DIMM Group 1 2 3 4 Status The size of memory installed on each of the DDR3 slots ...

Страница 46: ...ipset Configuration Parameter Description Option Intel VD d Technology Enable Disable Intel VD d Technology function Enabled Disabled Intel TXT Technology Enable Disable Intel TXT Technology function Enabled Disabled ...

Страница 47: ...uration Parameter Description Option HPET Support High Precision Event Timer Enable Disable HPET Support Enabled Disabled WHEA Support Windows Hardware Error Architecture Enable Disable WHEA Support Enabled Disabled ...

Страница 48: ...s and runs in the IDE emulation mode This is not allowed to access RAID setup utility RAID When set to RAID the SATA controller enables both its RAID and AHCI functions You will be allows access the RAID setup utility at boot time ACHI When set to AHCI the SATA controller enables its AHCI functionality Then the RAID function is disabled and cannot be access the RAID setup utility at boot time IDE ...

Страница 49: ...n enabled This setting will initialize the device expansion ROM for the related PCI E slot Enabled Disabled Onboard Graphics Controller When enabled the graphic controller will function normally Enabled Disabled Primary Graphics Select the primary video device that that the BIOS will use for output Add On Onboard Onboard LAN1 Controller When enabled the system will enable the onboard LAN devices E...

Страница 50: ...be initialized Enabled Disabled Onboard LAN1 I O ROM Option Select whether to enable the selected onboard LAN device When enabled device expansion ROM will be initialized PXE iSCSI PCI ROM Priority In case of multiple Option ROMs Legacy and EFI Compatible specifies what PCI option ROM to launch Legacy ROM EFI Compatible ...

Страница 51: ...on normally Enabled Disabled Legacy USB Support Enables or disables support for legacy USB devices Enabled Disabled Port 60 64 Emulation Enable I O port 60h 64h emulation support This should be enabled for the complete USB Keyboard Legacy support for non USB aware OS Enabled Disabled Mass Storage Reset Timeout Define USB Mass Storage Device Start Unit command timeout 10 sec 20sec 30 sec 40sec ...

Страница 52: ...ation for the serial port Enabled Disabled Device Settings Displays Serial Port 1 2 device setting information Change Settings Change Serial Port 1 2 device settings When set to Auto allows the server s BIOS or OS to select a configuration Auto IO 3F8 IRQ 4 IO 3F8h IRQ 3 4 5 6 7 10 11 12 IO 2F8h IRQ 3 4 5 6 7 10 11 12 IO 3E8h IRQ 3 4 5 6 7 10 11 12 IO 2E8h IRQ 3 4 5 6 7 10 11 12 ...

Страница 53: ...up the system when an RTC alarm is detected Enabled Disabled Restore on AC Power Loss Defines the power state to resume to after a sys tem shutdown that is due to an interruption in AC power When set to Last State the system will return to the active power state prior to shutdown When set to Stay Off the system remains off after power shutdown Last State Stay Off Power On ...

Страница 54: ...ty bit is0if num of 1 s the data bits is odd Mark parity bit is always 1 Space Parity bit is always 0 Mark and Space Parity do not allow for error detection None Even Odd Mark Space Stop Bits Stop bits indicate the end of a serial data packet A start bit indicates the beginning The standard setting is 1 stop bit Communication with slow devices may require more than 1 stop bit 1 2 Flow Control Flow...

Страница 55: ...rminal data Resolution 100x31 Enables or disables extended terminal resolution Enabled Disabled Legacy OS Redirection Resolution On Legacy OS the number of Rows and Columns supported redirection 80x24 80X25 ...

Страница 56: ...52 Hardware Monitor Press Enter to view the Hardware Monitor screen which displays a real time record of the CPU system temperature fan speed and voltage Items on this window are non configurable ...

Страница 57: ...a Administrator Password must first be set Parameter Description Option Administrator Password StatusThis parameter indicates whether a Administrator Password has been assigned Not Installed Enabled User Password Status This parameter indicates whether a user pass word has been assigned Not Installed Enabled Set Administrator Password Press Enter to configure the Administrator password Set User Pa...

Страница 58: ...ct a password parameter Set Administrator Password or Set User Password then press Enter 2 Type the original password then press Enter 3 Type a new password then press Enter 4 Retype the password to verify the first entry then press Enter again 5 Press F10 6 Select Yes to save the modified password and close the Setup Utility Removing a System Password 1 Use the up down keys to select a password p...

Страница 59: ...cription Option System Information Displays basic system ID information as well as BIOS version Press Enter to access the related submenu Event Log Configuration Displays Event Log advanced settings Press Enter to access the related submenu ...

Страница 60: ...56 System Information The System Management submenu is a simple display page for basic system ID information as well as System product information Items on this window are non configurable ...

Страница 61: ...mbios Event Log Displays Smbios Event Log Press Enter to View Smbios Event Log Erase Event Log Choose options for erasing Smbios Event Log Erasing is done prior to any logging activation during reset No Yes next reset Yes every reset When Log is Full Choose options for reactions to a full Smbios Event Log Do Nothing Erase immediately ...

Страница 62: ... Log OEM Codes Enable or Disable the logging of EFI Status Codes as OEM Codes Enabled Disabled Convert OEM Codes Enable or disable the converting of EFI Status Codes to Standard Smbios Types Enabled Disabled NOTE All values changed here do not take action until computer is restarted ...

Страница 63: ...ty Press Enter to configure the boot priority Optical Disk Drive Priority Press Enter to configure the boot priority Removable Disk Drive Priority Press Enter to configure the boot priority Network Device Priority Press Enter to configure the boot priority Quiet Boot Enable Disable Quiet Boot function Enabled Disabled Bootup NumLock Enable or Disable Bootup NumLock function On Off POST Error Pause...

Страница 64: ... message if the drive s specified is not bootable Parameter Description Option Built in EFI Shell Press Enter to configure the device as the boot up drive P3 WDC WD1001FAES 22W7A0 Press Enter to configure the device as the boot up drive P5 ATAPI DVD D DH16D5SH Press Enter to configure the device as the boot up drive ...

Страница 65: ...led Discard Changes Discards all changes made in the BIOS setup Enabled Disabled Load Default Values Loads the default settings for all BIOS setup parameters Setup Defaults are quite demanding in terms of resources consumption If you are using low speed memory chips or other kinds of low performance components and you choose to load these settings the system might not function properly Enabled Dis...

Страница 66: ... installed properly and the contact leads are clean before diagnosing any system problems Memory test failed 1 See Memory 2 Main board Incorrect memory size shown or repeated during POST 1 Insert the memory modules in the DIMM sockets properly then reboot the system 2 Memory module 3 Main board System works but fails to enter power saving mode when the Power Management Mode is set to Enabled 1 Ent...

Страница 67: ... and held 1 Disconnect all cables from CD DVD ROM drive except power cable then press eject button to try to unload the disk 2 CD DVD ROM drive power 3 CD DVD ROM drive CD DVD ROM drive does not read and there are no messages are displayed 1 CD may have dirt or foreign material on it Check with a known good disc 2 Ensure the CD DVD ROM driver is installed properly 3 CD DVD ROM drive CD DVD ROM dri...

Страница 68: ...eys on keyboard do not work 1 Keyboard Power Supply Pressing power switch does not turn off system Only unplugging the power cord from electrical outlet can turn off the system 1 Ensure the AC LINK in BIOS Setup of Boot Configuration is not set to Stay off 2 Power switch cable assembly Pressing power switch does not turn on the system 1 Ensure the power override switch situated at the back of the ...

Страница 69: ...t available 5 No Console Output Devices are found 5 No Console Input Devices are found 6 Flash update is failed 7 Reset protocol is not available 8 Platform PCI resource requirements cannot be met BIOS Recovery Instruction AMI has an embedded recovery technique In the event that the BIOS becomes corrupt the boot block can be used to restore the BIOS to a working state To restore your BIOS please f...

Страница 70: ...66 Figure 300 03 ...

Страница 71: ...and set recovery jumper Then system would enter BIOS Setup Menu You may see the page as the following figures shows 5 Enter Proceed with flash update page the system would recover the BIOS image automically 6 When recovery process is completed reset the system ...

Страница 72: ... CPU post memory initialization is started 0x33 CPU post memory initialization Cache initialization 0x34 CPU post memory initialization Application Processor s AP initialization 0x35 CPU post memory initialization Boot Strap Processor BSP selection 0x36 CPU post memory initialization System Management Mode SMM initialization 0x37 Post Memory North Bridge initialization is started 0x38 Post Memory ...

Страница 73: ...n of the South Bridge Runtime Services 0x63 CPU DXE initialization is started 0x64 CPU DXE initialization CPU module specific 0x65 CPU DXE initialization CPU module specific 0x66 CPU DXE initialization CPU module specific 0x67 CPU DXE initialization CPU module specific 0x68 PCI host bridge initialization 0x69 North Bridge DXE initialization is started 0x6A North Bridge DXE SMM initialization is st...

Страница 74: ...w 0xAB Setup Input Wait 0xAC Reserved for ASL see ASL Status Codes section below 0xAD Ready To Boot event 0xAE Legacy Boot event 0xAF Exit Boot Services event 0xB0 Runtime Set Virtual Address MAP Begin 0xB1 Runtime Set Virtual Address MAP End 0xB2 Legacy Option ROM Initialization 0xB3 System Reset 0xB4 USB hot plug 0xB5 PCI bus hot plug 0xB6 Clean up of NVRAM 0xB7 Configuration Reset reset of NVRA...

Страница 75: ...e isolated the problem FRU 4 Load default settings in setup 5 Check all main board jumper positions and switch settings 6 Check all adapter card jumper positions 7 Check all device jumper positions 8 Check all cables and connectors for proper installation 9 If the jumpers switches and voltage settings are correct remove or disconnect the following one at a time 10 Non Acer devices External devices...

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