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Video Bios editing

December 11, 2012 5:24:16 PM

OK. Time to poll the audience.

I'm working on upgrading an old Sony SZ laptop. It comes with an 8400M GS gpu and 64mbytes of video memory.
I've replaced the 2x32mbyte memory chips with 2x128mbyte chips but the bios is still reporting only 64mbytes.
I've extracted the video bios from the system bios and have the tools to reprogram everything. I just need to know what to change.

So. Does anyone know of any bios editing guides that might allow me to find the offending hex location?

Thanks.

And No I don't need a link to nibitor. There be real monsters here.

M.

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