blue screen problem.

Hi there,

After successfully installing Windows 7 Home Premium 64-Bit on my new system I seem to have ran into a bit of a problem running it with a certain BIOS configuration.

Basically, whenever I change my integrated graphics 'UMA frame buffer size' in the BIOS to 1024MB, I get a blue screen of death as I'm trying to log into Windows. This blue screen is nearly always "PFN_LIST_CORRUPT" as the error, but sometimes it will be "MEMORY_MANAGEMENT" as the error.

When the integrated graphics frame buffer size is anything but 1024MB (auto, 32, 64, 128, 256 or 512MB) I can log into Windows fine with no BSOD and my system has no problems. I would like to be able to always have the frame buffer set as 1024MB in the BIOS, but it just refuses to work. I can't get past the login screen without my monitor showing a quick distortion of pixels or a frozen Welcome screen.

Here are some of my system specs:

Board: Biostar A780L3C Socket AM3

Chipset: AMD 760G

CPU: AMD Sempron 145 "Sargas" @ 2.8GHz

RAM: Kingston HyperX Blu 8GB DDR3 (2x4GB Kit)

Monitor: Hanns-G HL198DPB

OS: Windows 7 Home Premium 64-Bit with SP1

Anyone have any idea what is going on, or why I'm unable to use 1024MB FB size?

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  1. i think it's because you cant go over 512mb.
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