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[REQUEST] Unlock Advanced Menu for Asus 4X4 BOX-4800U
#1
It would be great if it would be possible to access the hidden Advanced Menu from the 4X4 BOX-4800U. I really want to access the IOMMU section of the BIOS. This is the device: ASRock Industrial - 4X4 BOX-4800U
The bios can be downloaded from the same page. 

With AMIBCP I can see that there is some top level "Advanced" folder that is not accessible (See attached image) (Perhaps some key combination? Or is this a secondary bios? Anybody knows?). The bios entries itself seem to be all enabled and visible. Any body know what could be going on here?


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#2
HI! guy
Could you do a test for flashing bios at first?? Edit official bios via amibcp and save ,then try flash this modified bios via built in instant. Let me know the result.

My page>>>click
My bios unlock >>> click
donate me >>>click


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#3
Unable to flash. Getting an "Secure Check Failed" error. Does that mean the BIOS is signed?
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#4
I think so. So if you wanna modify bios of amd platform ,
you might need a spi programmer.

Please also try to flash this bios. If it still meet the same message and can't re-flash , i think spi programmer is necessary for mod.
https://katfile.com/hy2695o8we55/4X440001.30.html

My page>>>click
My bios unlock >>> click
donate me >>>click


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#5
Same error "Secure Flash check fail!". I'll report back once I get my hands on a SPI programmer then.
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#6
(03-03-2021, 10:13 AM)rhp07 Wrote: Same error "Secure Flash check fail!". I'll report back once I get my hands on a SPI programmer then.
Ok!

My page>>>click
My bios unlock >>> click
donate me >>>click


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