Ram upgrade Windows\System32\Config\System

Asus K8u-x motherboard
October 16, 2010 at 18:47:46
Specs: Windows XP
I have an ASUS K8U-X motherboard currently with 512 RAM (2x256MB Kingston). I searched the Crucial website to find appropriate memory for an upgrade and purchased 2 Crucial CT12864Z40B 1 GB 184-PIN Unbuffered DIMM memory sticks.

When I booted up the pc, I had several different things happen, it cycled through a couple of powerdowns, then told me that CMOS was incorrect. I went into the BIOS and saved the provided settings, it recognized the 2048 MB of memory, also verified the settings per the user manual. 2048 MB is the max memory allowed for this motherboard. When windows tried to start I received a Windows\System 32\Config\System is corrupt error, instructing me to use the Windows CD to reload or fix the file.

I shut down and replaced the old memory and the computer fired up like normal. I double checked the Crucial website and this memory was guaranteed for this motherboard.

I tried several more times, same issue.

My Bios version is American Megatrends inc. 0808, 12/05/2005

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October 16, 2010 at 19:08:59
Try with just a single 1gb stick first.

Goin' Fishin' (Some day)

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October 17, 2010 at 06:10:47
I tried 1 new stick and windows would not come up, Made it through the bios screens fine and errored at the point of windows start up.

I tried several variations, 1 new stick, 1 old stick, made it to the windows screen to select user, selected user and received an error SAS Window: winlogon.exe: the instruction at "0x5ad76a4e" referenced memory at 0x0000fcb8". The memory could not be read.

I tried this with a combination of both new memory sticks and both old memory sticks, tried both new sticks by themselves and didn't get as far as 1 new and 1 old stick. With any variation of new stick alone, I get a Windows\system 32\config\system missing or corrupt message.

When I put both old memory sticks in, windows starts normally after going through a message about the system shuting down unexpectedly and providing options of starting in safe mode or normally. I chose to start normally and it came up. Then I received error report messages (Windows has recovered from a serious error) that I reported to microsoft.

Does Windows store memory size? Would it be storing files that are needed for start up on the memory sticks?

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