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TWINX1024-4400C25 -- 1 stick gone bad


westsdad

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One stick of my TWINX1024-4400C25 (2x CMX512-4400C25 XMS4404v1.1 0531086-6) RAM has started to have memory errors causing WinXP SP2 BSOD's with page fault errors. I set my BIOS settings as shown below per Ram Guy Post ID # - 293466 and tested each stick seperately with memtest86+ v1.70. One stick ran without errors for 11 hours, while the second stick ran for 1 1/2 minutes with 8192 errors.

 

I noticed that this memory is no longer available and could be replaced with a different type if it cannot be repaired. I'm OC'ing at 225MHz/450MHz with 2T-3T-2T-5T settings @ 2.85V. Any idea of what the replacement memory would be? Should I send both sticks back since they are a matched memory pair?

 

Thanks,

Scott

 

System Info

=========

P4C800-E Deluxe

TWINX1024-4400C25

P4C 2.4GHz 800MHz

 

Ram Guy Post ID # - 293466

=====================

With the ASUS P4C800-E please try these settings after you load setup defaults :

AI Over Clock Tuner: Manual

CPU Freq: 200 MHz

Memory Frequency: 100%/DDR400

Dim Voltage to 2.75 Volts (but if you over clock 2.85 Volts)

Resulting Frequency: 200MHz/400DDR

Legacy USB: Disabled

SDRAM CAS Latency: 2T

SDRAM RAS to CAS Delay (tRCD): 3T

SDRAM Row Precharge (tRP): 2T

SDRAM Active to Precharge Delay (tRAS): 5T

Legacy USB: Disabled (Only when running any memory test)

Then test them one at a time with http://www.memtest.org to be sure.

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I would recommend retesting the "bad" module at 2.5-4-4-8 at 2.75 volts. If you still have problems, let’s get the set replaced. Please use the RMA request found in TSXpress or follow the link in my signature “I think I have a bad part!” and we will be happy to replace them or it!
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I retested the "bad" stick at 2.5-4-4-8 with 2.75V and it passes several hours of Memtest86+ v1.70. The problem is when I place this stick in any one of the 4 memory slots of the P4C800-E Deluxe motherboard, I have random BSODs, and other popup error messages. Yesterday, the computer went into a reboot loop. I've experienced months of no BSODs without this stick of memory installed -- its just slower with 512Mb of RAM instead of a 1Gb. This has been an ongoing problem but was "fixed" by removing the affending RAM several a few months ago.
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That might suggest some other problem, can you tell me the BIOS settings you have set for BOTh CPU and memory and what is the part# of all of the modules in this system and please list the complete system spec.
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Asus P4C800-E Deluxe Motherboard

Intel P4 2.4GHz / 800 CPU

Corsair TWINX1024-4400C25 (XMS4404v1.1 / Lot # 0531086-6)

ATI Radeon AIW 9800 Pro

Antec 400W Power Supply

Samsung S182BM DVD

Seagate 100GB HDD

Promise Ultra133TX

Seagate 300GB HDD

Seagate 300GB HDD

 

BIOS set to default with the following changes afterward:

Boot order changed to Floppy, CD-ROM, HDD

200MHz / DDR400

Memory set at 2.5-4-4-8 with 2.75V

Legacy USB disabled when running Memtest86+

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Since you are not over clocking I would set these settings and test them again with http://www.memtest.org.

AI Over Clock Tuner: Manual

CPU Freq: 200 MHz

Memory Frequency: 100%/DDR400

Dim Voltage to 2.75 Volts (but if you over clock 2.85 Volts)

Resulting Frequency: 200MHz/400DDR

Legacy USB: Disabled

SDRAM CAS Latency: 2T

SDRAM RAS to CAS Delay (tRCD): 3T

SDRAM Row Precharge (tRP): 2T

SDRAM Active to Precharge Delay (tRAS): 7T

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Since you are not over clocking I would set these settings and test them again with http://www.memtest.org.

AI Over Clock Tuner: Manual

CPU Freq: 200 MHz

Memory Frequency: 100%/DDR400

Dim Voltage to 2.75 Volts (but if you over clock 2.85 Volts)

Resulting Frequency: 200MHz/400DDR

Legacy USB: Disabled

SDRAM CAS Latency: 2T

SDRAM RAS to CAS Delay (tRCD): 3T

SDRAM Row Precharge (tRP): 2T

SDRAM Active to Precharge Delay (tRAS): 7T

 

I set the BIOS at the above settings and tested each stick of RAM seperately per your request:

 

1st Stick

2 hours 43 minutes

14 passes

0 errors

 

2nd Stick

7 hours 17 minutes

38 passes

1,179,648 errors

 

Were do we go from here?

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