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Memory test fails, same data line always

Memtest86+ shows the same bit error on bit 00400000 for many different addresses. It is always high when it should be low. Same result for different SIMM and in both connectors.

Is there a way to find the chip that's a problem?

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Most dell mobo have problems with memory check what dell recommends for the memory ( example : 1 Gb ddr sodimm pc2700 333 mhz 200 pin ) just check what memory goes in the mobo and try that mem and it will work

Posted on Jun 15, 2008

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Why there is 1024 bites in 1kilo bite... ?


because it is derived from binary base system and the data in the memory chip is either 0 or 1 for each bit. The memory is actually bytes this depends on the data bus used 8 bits = 1 byte on an 8 bit data bus. 16 bits - 1 byte on a 16 bit memory data bus.
each lot of bits being bytes sits at an address. So 1 kilo byte of memory is stored in 1024 memory addresses. this uses 10 address lines. If you add one more address line 2^11 you get 2048 memory stores . As the 11 th bit can be 1 or 0 but allows access to another 1024 memory addresses.

  • 2 ^0 =1
  • 2^1 =2
  • 2^2 = 4
  • 2^3 = 8
  • 2^4 = 16
  • 2^5 =32
  • 2^6 = 64
  • 2^7 =128
  • 2^8 =256
  • 2^9 =512
  • 2^10 = 1024 = 1 kb

Feb 17, 2016 | Cars & Trucks

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What is fatal error 762


Trying to test this plugin on XAMPP localhost test site. Nothing shows up so I looked for errors and found this: Warning: require_once(C:\Data\xampplite\htdocs\zinnia\wp\wp-content\plugins\blip-slideshow): failed to open stream: Permission denied in C:\Data\xampplite\htdocs\zinnia\wp\wp-content\plugins\blip-slideshow\blip.php on line 762 Fatal error: require_once(): Failed opening required 'C:\Data\xampplite\htdocs\zinnia\wp\wp-content\plugins\blip-slideshow' (include_path='.;C:\Program Files (x86)\xampplite\php\PEAR') in C:\Data\xampplite\htdocs\zinnia\wp\wp-content\plugins\blip-slideshow\blip.php on line 762 --------------- The code on line 762 is the require_once, but here's a few lines before // attempt to talk to WordPress $blog_header_path = preg_replace("/wp-content\/.*/", "wp-blog-header.php", getcwd()); if (file_exists($blog_header_path)) { require_once($blog_header_path); }

Feb 12, 2015 | Office Equipment & Supplies

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When i turn onToshiba Satellite M100-JG2, get black screen,and hear 2 bee sounds,computer won't start.


Two beeps a generally a memory parity error.

Use a test utility like memtest86 to check it. Youll need another computer with a CDRW to create a test disk from an ISO.
Then boot the computer with the cd in and it should run from CD.

Memtest86 Advanced Memory Diagnostic Tool

Jul 02, 2014 | Toshiba Satellite M100 Notebook

1 Answer

Dell m90 beeping codes


Dell BIOS Beep Codes: Beep Codes Possible Causes Corrective Action 1 - 2 No video card detected Reseat the video card 1 - 2 - 2 - 3 BIOS ROM checksum error 1 - 3 - 1 - 1 DRAM refresh error Reseat the memory modules 1 - 3 - 1 - 3 8742 Keyboard Controller error Reseat the keyboard connector 1 - 3 - 3 - 1 Memory defective or not present Reseat the memory modules 1 - 3 - 4 - 1 RAM failure on line xxx Reseat the memory modules 1 - 3 - 4 - 3 RAM failure on data bits xxx of low byte on memory bus Reseat the memory modules 1 - 4 - 1 - 1 RAM failure on data bits xxx of high byte on memory bus Reseat the memory modules

Mar 03, 2013 | Dell Computers & Internet

2 Answers

The PC does not start.Only it beeps and a red light blinks,also fen is not working.


here are some of the basic codes, depending on which BIOS you have...

Also you do not indicate which fan? I would guess you mean the main Power Supply (PS)? In which case it could just be you need to replace the PS.

Here is a link to some other codes as well...
http://www.computerhope.com/beep.htm

AMI BIOS ERROR BEEP CODES
  • 1 Beep - Memory Refresh Failure (check memory)
  • 2 Beeps - Memory Parity Error in first 64KB block (check memory)
  • 3 Beeps - Memory Read/Write Error in first 64KB block (check memory)
  • 4 Beeps - Motherboard timer not functioning (possible motherboard replacement)
  • 5 Beeps - Processor Error (may need replacement Processor)
  • 6 Beeps - Gate A20/keyboard controller failure (possible motherboard replacement)
  • 7 Beeps - Processor Exception Interrupt Error (may need replacement Processor)
  • 8 Beeps - Display Memory Read/Write Failure (reseat or replace video card)
  • 9 Beeps - ROM checksum Error (replace BIOS chip or motherboard)
  • 10 Beeps - CMOS shutdown Read/Write error (possible motherboard replacement)
  • 11 Beeps - Bad Cache Memory - test failed (replace cache memory)

Phoenix BIOS ERROR BEEP CODES
Phoenix BIOS beep codes are a series of beeps separated by a pause, for example:
beep --- beep beep --- beep --- beep beep would be 1-2-1-2
  • 1-1-4-1 - Cache Error (level 2)
  • 1-2-2-3 - BIOS ROM Checksum
  • 1-3-1-1 - DRAM Refresh Test
  • 1-3-1-3 - Keyboard controller test
  • 1-3-4-1 - RAM Failure on address line xxxx (check memory)
  • 1-3-4-3 - RAM Failure on data bits xxxx of low byte of memory bus
  • 1-4-1-1 - RAM Failure on data bits xxxx of high byte of memory bus
  • 2-1-2-3 - ROM copyright notice
  • 2-2-3-1 - Test for unexpected interrupts
I hope this helps.

Mar 29, 2011 | HP Computers & Internet

1 Answer

Beep codes


1 Long Beep: Memory problem
Explanation: There is a failure of some sort related to the system memory.
Diagnosis: The first bank of memory probably has a failure of some sort; this is usually just a physical problem such as an incorrectly inserted module, but may also mean a bad memory chip in a module. It is possible that there is a failure related to the motherboard or a system device as well.

Phoenix BIOS ERROR BEEP CODES
Phoenix BIOS beep codes are a series of beeps separated by a pause, for example:
beep --- beep beep --- beep --- beep beep would be 1-2-1-2
  • 1-1-4-1 - Cache Error (level 2)
  • 1-2-2-3 - BIOS ROM Checksum
  • 1-3-1-1 - DRAM Refresh Test
  • 1-3-1-3 - Keyboard controller test
  • 1-3-4-1 - RAM Failure on address line xxxx (check memory)
  • 1-3-4-3 - RAM Failure on data bits xxxx of low byte of memory bus
  • 1-4-1-1 - RAM Failure on data bits xxxx of high byte of memory bus
  • 2-1-2-3 - ROM copyright notice
  • 2-2-3-1 - Test for unexpected interrupts

May 14, 2009 | AOpen AX34-U Motherboard

1 Answer

While installing window in the middle a blue screen appear and dumping of memory occrued


Alot of times this is a memory error. If you can get to a computer with internet access, download a small program called memtest86. This is an ISO file that will create a bootable cd to test the RAM. It can be downloaded from:

http://www.memtest86.com/download.html

If that is not possible remove all but one stick of memory and try again. Swap memory around and continue to try it.

Hope this helps

Apr 30, 2009 | Computers & Internet

2 Answers

Graphics card failure


the error: (Under this test, results show Error code 5300: 0119, which different comments for different parameters) Msg: Detected a failure while writing and reading video memory. (e.g.) Video mode: Dh (320 x 200 16) Address A002Ch, expected to read Oh, but read 1Dh instead *

indicates the video card has failed and need to be replaced.

Apr 14, 2009 | Dell Inspiron 8500 Notebook

1 Answer

Dell dimension 3100 when turned on bleeps and no display on monitor


It depends on how many times it bleeps.

Beep Codes Possible Causes Corrective Action 1 - 2 No video card detected Reseat the video card 1 - 2 - 2 - 3 BIOS ROM checksum error 1 - 3 - 1 - 1 DRAM refresh error Reseat the memory modules 1 - 3 - 1 - 3 8742 Keyboard Controller error Reseat the keyboard connector 1 - 3 - 3 - 1 Memory defective or not present Reseat the memory modules 1 - 3 - 4 - 1 RAM failure on line xxx Reseat the memory modules 1 - 3 - 4 - 3 RAM failure on data bits xxx of low byte on memory bus Reseat the memory modules 1 - 4 - 1 - 1 RAM failure on data bits xxx of high byte on memory bus Reseat the memory modules

More info here: http://www.bioscentral.com/postcodes/dellbios.htm

Oct 28, 2008 | Computers & Internet

1 Answer

Wont boot correctly


Typically, a system that won't pass POST (Power On Self Test) will beep in a pattern indicating what the problem is. Here's the beep codes for Dell systems:

Beep Codes Possible Causes Corrective Action 1 - 2 No video card detected Reseat the video card 1 - 2 - 2 - 3 BIOS ROM checksum error 1 - 3 - 1 - 1 DRAM refresh error Reseat the memory modules 1 - 3 - 1 - 3 8742 Keyboard Controller error Reseat the keyboard connector 1 - 3 - 3 - 1 Memory defective or not present Reseat the memory modules 1 - 3 - 4 - 1 RAM failure on line xxx Reseat the memory modules 1 - 3 - 4 - 3 RAM failure on data bits xxx of low byte on memory bus Reseat the memory modules 1 - 4 - 1 - 1 RAM failure on data bits xxx of high byte on memory bus Reseat the memory modules

Jul 08, 2008 | Dell Dimension 4500 PC Desktop

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