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edit bios with a hex editior ??


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#1 starcraftmaster

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Posted 07 November 2009 - 10:22 AM

hey guys

i want to change a few things in a intel motherboard
problem is that intel don't give much options

but i notice in my bios it says ::: Extended configuration [Not Used]
and its grayed out

so i was hoping i could hex editor(not good at this editing stuff) or some thing to make that ungrey

this is the bios update files
P21-0039.bi1 :64.1kb
P21-0039.bi2 :64.1kb
P21-0039.bi3 :64.1kb
P21-0039.bi4 :64.1kb
P21-0039.bi5 :64.1kb
P21-0039.bio :64.1kb
P21-0039.sig :1.22kb
Bios.rec :64.1kb
Iflash.exe :212kb
Beep.com :32 bytes
Autoexec.bat :14 bytes

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#2 starcraftmaster

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Posted 08 November 2009 - 04:08 AM

also i was hoping that you can make it accept more then 512mb of ram

#3 Andrew

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Posted 08 November 2009 - 05:07 AM

I highly, highly doubt that it's possible and would caution you that attempting to do so would likely brick the board.

#4 Platypus

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Posted 08 November 2009 - 05:28 AM

Mmm, I think the short answer is no.

A longer answer is if you understand machine code, or at least assembly language, and the possible BIOS related functions of that motherboard, and by disassembling the BIOS code could determine whether there are in fact any extended functions that could be accessed by activating a menu, then maybe something could be done without turning the board into a doorstop. But not just by accessing files with a hex editor.

Whether the memory capacity of a board can be increased with a BIOS modification depends on where the limit occurs. If it is determined by the BIOS itself, then a change in the BIOS can remedy it. If the limit is set by the design of the support chipset, ie the memory controller, or the motherboard design, ie the number of address lines existing, the BIOS cannot alter that.

Edited by Platypus, 08 November 2009 - 05:28 AM.

Top 5 things that never get done:

1.


#5 starcraftmaster

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Posted 08 November 2009 - 06:33 AM

hmm
well i got a gigabyte board lying around(old like this)

i just see if i can get a full atx box
thanks for the help




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