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Asus GM501GS
#1
I’m trying to add the overclock menu to my bios. I can see and edit it in amibcp
Can’t flash it using afuwin or dos, so, plugged in my ch341a and got a dump of the bios chip,
It’s not matching with what i pulled off the chip with afuwin or matching with the stock bios size.
I’ve tried to compare the files in hex editor and can’t find any similarities.
How would i be able to convert a stock bios image to a flashable bin after modification?
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#2
I don't fathom out what you're thinking about ,you own a spi programmer(ch341a) and able to use it to dump bios.
Why don't you directly to edit this bios dump?? then re-write via programmer again?

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#3
(03-18-2021, 03:18 AM)genius239 Wrote: I don't fathom out what you're thinking about ,you own a spi programmer(ch341a) and able to use it to dump bios.
Why don't you directly to edit this bios dump?? then re-write via programmer again?

Well, let me explain the reason why and what i waould like to be able to do.
the laptop i have is limited, cpu or gpu voltages can't be changed, cpu multiplier can't be changed, intel xtu or throttlestop won't are greyed out.
I used amibcp to view the bios that i'd downloaded from asus that i believe to be a cap file, i was also able to view the save i made using afuwin. both of these file sizes are totally different, i used my chip programmer to backup the bios, again a different size. also unable to view this using amibcp can view with HxD but can't find what i need to in order to activate the overclocking menu in the bios.
If i edit the bios files that i downloaded from asus or got from afuwin, i'm unable to flash these as my asus bios reports they are not uefi bios files.
So the only option i have is using the chip programmer and i have no idea what to do to edit the bios dump that i got with it or how i'd convert the asus bios file to flash to the chip using the programmer.
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#4
1. Don't you know processor can't overclock in laptop platform?? Neither intel platform nor AMD platform ,so it can't changes multiplier is very normal .Even if there are options in the bios ,it still unavailable. But tweak memory freq is feasible from many user's feedback.(load xmp profile or changes freq)

2. If you wanna adjust configuration for Nvidia graphic ,what utilities you should to use is like msi afterburner , bios no such as options exist ,and it can't control nvidia graphic.

3. There is contain capsule protection in asus bios ,so you can't flash back the modified bios is normal ,and afuwin also is not a reliable tool especially when you do bios mod.

4. If the file size of bios dump from spi programmer is not 16mb ,it mean that you choose a wrong chip to made dump or there is a problem with your ch341a. Using the dump from programmer to do mod is the most reliable method i thought.

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#5
(03-28-2021, 08:20 PM)genius239 Wrote: 1. Don't you know processor can't overclock in laptop platform?? Neither intel platform nor AMD platform ,so it can't changes multiplier is very normal .Even if there are options in the bios ,it still unavailable. But tweak memory freq is feasible from many user's feedback.(load xmp profile or changes freq)

2. If you wanna adjust configuration for Nvidia graphic ,what utilities you should to use is like msi afterburner , bios no such as options exist ,and it can't control nvidia graphic.

3. There is contain capsule protection in asus bios ,so you can't flash back the modified bios is normal ,and afuwin also is not a reliable tool especially when you do bios mod.

4. If the file size of bios dump from spi programmer is not 16mb ,it mean that you choose a wrong chip to made dump or there is a problem with your ch341a. Using the dump from programmer to do mod is the most reliable method i thought.

Thank you for clarifiing and confirming a few things for me, just the advice i needed.
msi afterburner isn't allowing voltage control on the gtx1070, just speeds, ideally i want to reduce the power on both cpu and gpu.
the 4th point you've made claifies the most for me as the bios i downloaded from asus is 16mb, the afuwin dump being 12mb and what i assumed was the bios chip after finding the video bios chip was giving me 1mb. so i'm reading the wrong chip lol. Still learning here. Thank you again.
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#6
The size of chip in 1mb should is ec ,it's not bios.
I think you could find a chip name x25x128xx near the south bridge ,it's actual bios chip. (128Mbits = 16Mbyte )


Why the bios dump from utilities only has 12mb? As it only is a bios region ,it didn't include descriptor region ,MEI region ,gbe region..etc.
These region usually are locked.

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#7
Ok, found the correct chip, it's an mx25L12873F
Just done a bios read and saved the file, 16mb as you said, and I've been able to view and change it with amibcp, changed the overclock menu to supervisor from default, it has xtu support disabled and hidden, just about to flash the changed bios ROM
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#8
So, i've changed the menu listings from default to supervisor, I've flashed the chip, but no changes in the bios menu.
I did similar to my other Asus gl702vm and that worked without any issues. Am I missing something?
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