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Bad TWINX1024-3200LLPT memory module


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My experience with computers is pretty good, and I got the urge to build my own PC. I purchased all the components from online retail stores, and assembled my PC after reading the motherboard manual. I have experienced some problems mainly with my computer rebooting on its own after I installed the operating system, and issues with blue screens appearing that freeze up my PC. I have spoken with several friends who I consider computer experts. They insisted that I have a driver issue or a hardware problem. I decided to format the C: drive, and start over loading software. Every time I installed Windows XP Professional, it seemed to not load smoothly. I had to reset the PC during install several times and dealt with blue screens after install. Most of the time a blue screen appeared after I restarted the PC, then I had to hit the reset button to get Windows to load. One of my friends recommended running Memtest86 to verify that my RAM is good. The rest of this thread will be about PC hardware and memory test.


Hardware Configuration

Motherboard: ASUS P4C800-E Deluxe 800 MHz FSB

Processor: Intel P4 Prescott Series 3.0 GHz 800 MHz FSB

Memory: Corsair TWINX1024-3200LPT 400 MHz 1 GB DDR Dual Channel

Hard Drive: Hitachi 160 GB with 8MB cache

Video Card: Leadtek GeForce FW Winfast A380


Memtest86 Summary


I first ran memtest86 with both sticks of RAM (1024MB) because that is the way they were installed when I had issues with blue screens. The memory passed all test except TEST 5. Every time this test came around it failed. See settings below:


Settings: RAM: 199 MHz (DDR398) / CAS 2.5-3-2-6 / Dual Channel (128 bits)


Next I decided to test each memory stick individually. I removed the memory from DIMM2, and tested the memory in DIMM1 only. Memtest86 passed all test with no issues.


Settings: RAM: 199 MHz (DDR398) / CAS 2.5-3-2-6 / Single Channel (64 bits)


Last I needed to test the other piece of RAM, so I removed the memory from DIMM 1, and replace it with the memory that was in DIMM2 during the first test. The computer was powered on and fans were running, but the monitor remained blank with the light blinking like the power on the PC was off. I tried to push the power button off on the PC, but it did respond. The only way to turn the PC off was to kill the power supply. I removed the cover and reset CMOS, then tried testing the memory again, but the same thing happened.


I then decide to switch memory sticks to see if the other one that passed all test would allow the PC to boot up. The out come was the PC booted up and metest86 started running like expected, and returned the same results.


At this point I am assuming that one stick of 512MB memory is bad. I am no computer expert, just my thoughts. Please reply back with suggestions, comments, or solutions that will help me solve this problem. Thanks for you support, and Merry Christmas.

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