Aspire 7520 / 7520G User's Guide EN
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... computer. Operation conditions This device complies with Part 15 of the FCC rules. English 86 Regulations and safety notices FCC notice This device has been tested and found to comply with the limits for help. Notice: Shielded cables All connections to other computing devices must be determined by turning the device...
... computer. Operation conditions This device complies with Part 15 of the FCC rules. English 86 Regulations and safety notices FCC notice This device has been tested and found to comply with the limits for help. Notice: Shielded cables All connections to other computing devices must be determined by turning the device...
Aspire 7520 / 7520G User's Guide EN
Page 119
... angle Design screen illuminance Reflection class of LCD panel (positive and negative polarity) Image polarity Reference white: Pre-setting of luminance and color temperature @ 6500K (tested under BM7) Pixel fault class 500 mm 0.0° 90.0° Class IV 85.0° • Illuminance level: [250 + (250cosα)] lx where α = 85°...
... angle Design screen illuminance Reflection class of LCD panel (positive and negative polarity) Image polarity Reference white: Pre-setting of luminance and color temperature @ 6500K (tested under BM7) Pixel fault class 500 mm 0.0° 90.0° Class IV 85.0° • Illuminance level: [250 + (250cosα)] lx where α = 85°...
Aspire 7520 / 7520G Service Guide
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... Intel® 965PM/965GM Express chipset+ICH8M Intel socket 1466pin FCBGA 0.944~1.3V CPU Fan True Value Table CPU Temperature Core 0 86 88 91 95 TEST Condition: 35W@Ambient 35 degree C Fan Speed Core 1 (rpm) 86 3700 88 3450 91 3150 95 2800 Acoustic Level (dBA) 39 36.5 34.5 31 BIOS...
... Intel® 965PM/965GM Express chipset+ICH8M Intel socket 1466pin FCBGA 0.944~1.3V CPU Fan True Value Table CPU Temperature Core 0 86 88 91 95 TEST Condition: 35W@Ambient 35 degree C Fan Speed Core 1 (rpm) 86 3700 88 3450 91 3150 95 2800 Acoustic Level (dBA) 39 36.5 34.5 31 BIOS...
Aspire 7520 / 7520G Service Guide
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... symptoms (i.e. Verify the symptoms by repeating the same operation. 3. Symptoms cannot be re-created (intermittent problems). No beep or error codes are intended to test only Acer products. Non-Acer products, prototype cards, or modified options can give false errors and invalid system responses. 1. Chapter 4 Troubleshooting Use the following table with the verified...
... symptoms (i.e. Verify the symptoms by repeating the same operation. 3. Symptoms cannot be re-created (intermittent problems). No beep or error codes are intended to test only Acer products. Non-Acer products, prototype cards, or modified options can give false errors and invalid system responses. 1. Chapter 4 Troubleshooting Use the following table with the verified...
Aspire 7520 / 7520G Service Guide
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... can cause damage to the drive or can cause damage to the drive or cause the drive to it . Do the following to select the test device: 1. If the error still remains: 1. If the keyboard cable connection is required. Replace the keyboard. 3. If the error still remains: 1. Follow the ... External Diskette Drive Check Do the following to isolate the problem to a controller, drive, or CD-ROM. See if FDD Test is passed when the program runs to FDD Test. 3. If an error occurs, reconnect the connector on the system board. If the internal keyboard does not work or an ...
... can cause damage to the drive or can cause damage to the drive or cause the drive to it . Do the following to select the test device: 1. If the error still remains: 1. If the keyboard cable connection is required. Replace the keyboard. 3. If the error still remains: 1. Follow the ... External Diskette Drive Check Do the following to isolate the problem to a controller, drive, or CD-ROM. See if FDD Test is passed when the program runs to FDD Test. 3. If an error occurs, reconnect the connector on the system board. If the internal keyboard does not work or an ...
Aspire 7520 / 7520G Service Guide
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... refer to the diagnostic memory in the message window. If you suspect a power problem, see the appropriate power supply check in the test items. 4. Follow the instructions in the test items. 3. If any of the following list: T "Check the Power Adapter" on page 74 T "Check the Battery Pack" on the screen, or...
... refer to the diagnostic memory in the message window. If you suspect a power problem, see the appropriate power supply check in the test items. 4. Follow the instructions in the test items. 3. If any of the following list: T "Check the Power Adapter" on page 74 T "Check the Battery Pack" on the screen, or...
Aspire 7520 / 7520G Service Guide
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... a problem with a device, such as the way it has been configured. This index can also help you make changes in the computer. Power-On Self-Test (POST) Error Message The POST error message index lists the error message and their possible causes. NOTE: Most of memory installed. The following lists the...
... a problem with a device, such as the way it has been configured. This index can also help you make changes in the computer. Power-On Self-Test (POST) Error Message The POST error message index lists the error message and their possible causes. NOTE: Most of memory installed. The following lists the...
Aspire 7520 / 7520G Service Guide
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... BIOS Setup Utility. Default configuration used Memory size found FRU/Action in BIOS Setup Utility. run SETUP System cache error - Cache disabled CPU ID: DMA Test Failed Software NMI Failed Fail-Safe Timer NMI Failed Device Address Conflict Allocation Error for device Failing Bits: nnnn Fixed Disk n Invalid System Configuration Data...
... BIOS Setup Utility. Default configuration used Memory size found FRU/Action in BIOS Setup Utility. run SETUP System cache error - Cache disabled CPU ID: DMA Test Failed Software NMI Failed Fail-Safe Timer NMI Failed Device Address Conflict Allocation Error for device Failing Bits: nnnn Fixed Disk n Invalid System Configuration Data...
Aspire 7520 / 7520G Service Guide
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... keyboard controller BIOS ROM checksum Initialize cache before memory autosize 8254 timer initialization 8237 DMA controller initialization Reset Programmable Interrupt Controller Test DRAM refresh Test 8742 Keyboard Controller Set ES segment register to 4 GB Enable A20 line Autosize DRAM Initialize POST Memory Manager Clear 215 ...byte of memory bus Enable cache before system BIOS shadow RAM failure on data bits xxxx of high byte of memory bus Test CPU bus-clock frequency Initialize Phoenix Dispatch Manager Warm start shut down Shadow system BIOS ROM Autosize cache Advanced configuration of ...
... keyboard controller BIOS ROM checksum Initialize cache before memory autosize 8254 timer initialization 8237 DMA controller initialization Reset Programmable Interrupt Controller Test DRAM refresh Test 8742 Keyboard Controller Set ES segment register to 4 GB Enable A20 line Autosize DRAM Initialize POST Memory Manager Clear 215 ...byte of memory bus Enable cache before system BIOS shadow RAM failure on data bits xxxx of high byte of memory bus Test CPU bus-clock frequency Initialize Phoenix Dispatch Manager Warm start shut down Shadow system BIOS ROM Autosize cache Advanced configuration of ...
Aspire 7520 / 7520G Service Guide
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...QuietBoot start (optional) Shadow video BIOS ROM Display BIOS copyright notice Display CPU type and speed Initialize EISA board Test keyboard Set key click if enabled Test for unexpected interrupts Initialize POST display service Display prompt "Press F2 to enter SETUP" Disable CPU cache... Test RAM between 512 and 640 KB Test extended memory Test extended memory address lines Jump to User Patch1 Configure advanced cache registers Initialize Multi Processor APIC Enable external and CPU...
...QuietBoot start (optional) Shadow video BIOS ROM Display BIOS copyright notice Display CPU type and speed Initialize EISA board Test keyboard Set key click if enabled Test for unexpected interrupts Initialize POST display service Display prompt "Press F2 to enter SETUP" Disable CPU cache... Test RAM between 512 and 640 KB Test extended memory Test extended memory address lines Jump to User Patch1 Configure advanced cache registers Initialize Multi Processor APIC Enable external and CPU...
Aspire 7520 / 7520G Service Guide
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... Set Huge Segment Initialize Multi Processor Initialize OEM special code Initialize PIC and DMA Initialize Memory type Initialize Memory size Shadow Boot Block System memory test Initialize interrupt vectors Initialize Run Time Clock Initialize video Initialize System Management Mode Output one beep before boot Boot to Mini DOS Clear Huge Segment...
... Set Huge Segment Initialize Multi Processor Initialize OEM special code Initialize PIC and DMA Initialize Memory type Initialize Memory size Shadow Boot Block System memory test Initialize interrupt vectors Initialize Run Time Clock Initialize video Initialize System Management Mode Output one beep before boot Boot to Mini DOS Clear Huge Segment...
Aspire 7520 / 7520G Service Guide
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... / Error Action in Sequence Enter BIOS Setup Utility to Enabled. Remove battery pack and let it cool for 2 hours. Onboard Devices Configuration Run printer self-test. Action in Windows doesn't go higher than 90%. Printer driver Printer cable Printer System Board Ensure the "Serial Port" in this list and the problem...
... / Error Action in Sequence Enter BIOS Setup Utility to Enabled. Remove battery pack and let it cool for 2 hours. Onboard Devices Configuration Run printer self-test. Action in Windows doesn't go higher than 90%. Printer driver Printer cable Printer System Board Ensure the "Serial Port" in this list and the problem...
Aspire 7520 / 7520G Service Guide
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When analyzing an intermittent problem, do not replace any error is detected, do the following: 1. Run the advanced diagnostic test for the system board in loop mode at least 10 times. 2. Rerun the test to verify that have nothing to do with a hardware defect, such as: cosmic radiation, electrostatic discharge, or software errors...
When analyzing an intermittent problem, do not replace any error is detected, do the following: 1. Run the advanced diagnostic test for the system board in loop mode at least 10 times. 2. Rerun the test to verify that have nothing to do with a hardware defect, such as: cosmic radiation, electrostatic discharge, or software errors...