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06-27-2020 03:24 AM
bardlam Figured it out. Leaving this here for posterity, in case anyone else stumbles upon it who is new to BIOS editing and wants bifurcation on a Z10PE-D16 WS.

Confirmed: USB Flashback checks for a signed BIOS image, and will fail if it isn't signed.

Details: the first 2048 bytes (or 0x800) of the BIOS image CAP file are the capsule file header, which contains the signature info. The remainder of the file is raw ROM data, and Flashback never verifies the signature against the ROM contents, so the ROM data can be altered without causing a signature check to fail.

Solution: Use UEFITool (on github) to extract the ROM body of a stock BIOS image from ASUS (I used version 4101) into a ROM file. (Or use any other tool to copy out all of the bytes of the CAP file after offset 2048, because the 2048 bytes of header information are the only difference between a CAP file and the ROM itself.) Edit the extracted stock ROM using AMIBCP. (I don't know how to do this by hand yet, being my first foray.) I modified IIO -> IIO 1 -> IOU 0 (IIO PCIe Port 2) to be x4x4x4x4 in order to get bifurcation working on physical slot #5 on my board. Save the modified ROM to a new file. Use a hex editor or something (I used python) to copy the contents of the modified ROM file back into the original stock CAP file, leaving the first 2048 bytes intact. This is your newly modded CAP file, ready to be flashed.

USB Flashback worked as expected and successfully flashed my modified BIOS CAP file onto my motherboard. My system can now use all of the NVMe drives in my Hyper m.2 x16 card, instead of only seeing one of them.

FWIW, I believe the IIO/IOU mappings in AMIBCP to physical slots are:
Slot #1: IIO 1 / IOU2
Slot #2: IIO 0 / IOU0
Slot #3: IIO 0 / IOU2
Slot #4: IIO 0 / IOU1
Slot #5: IIO 1 / IOU0
Slot #6: IIO 1 / IOU1

Cheers!

Edit: Forgot to add this link, which was essential to figuring this out: https://www.win-raid.com/t4779f16-AM...Z-PE-D-WS.html
06-25-2020 02:36 PM
bardlam
Flashback checking signature?

Does USB Flashback check to see if a BIOS image is signed now?

* Using flashback, I just re-flashed using BIOS version 4101 from ASUS without a problem.
* Using the same USB device (and filename "Z1016WS.CAP"), I tried flashing a BIOS image I modified using AMIBCP, but it fails: three blinks on the flashback button LED and then solid.

It isn't a USB compatibility issue, so I assume flashback is checking for a signature and stopping when it doesn't find it. Has anyone else encountered this?

Background:
I'm attempting to bifurcate a PCIe slot on my Z10PE-D16 WS for the first time, in order to use a Hyper M.2 x16 card for 4 NVMe drives.

I'm continuing to read other forum posts and look for ways to maintain a valid signature after switching one of my x16 slots to x4,x4,x4,x4 (aiming for slot #5), so if anyone has any advice they'd like to throw in my direction, that'd be great.
05-26-2020 05:50 AM
Questionario
Quote: Originally Posted by s.anastasiou View Post
Thanks for the quick reply. I was able to push to 3.5Ghz by shutting down the TDP Config as mentioned by another user here.


So how do I go about doing this hack? I have the latest version of bios installed. As far as I know I have to do something among the lines of this:


https://www.win-raid.com/t3874f16-GU...bo-Unlock.html


is this "THE" guide? Or do I need to do some other trick(s)?


If I am successful I am going to post a full tutorial here so everyone can do it. These things are so cheap in ebay that not buying one now is a sin
If you try that let me know if it works and if you were able to do it via ikvm (i use ESXi as OS), all core boost sure would be nice

EDIT: nvm just read that this only works for v3 CPUs... I have a v4 CPU ^^
05-24-2020 03:10 PM
s.anastasiou Off topic: does anyone here know the best settings for optimal single core frequency under advanced PM tuning? There are three settings with 0 explanation in the manual whatsoever..


Averaging Time Window ( max 255 )

P0 TotalTimeThreshold Low ( max 63 )

P0 TotalTimeThreshold High ( max 63 )
05-22-2020 04:13 AM
redot Thats what i did in some ways ... when i need to restart im just sliding off up until splash screen pops up then sliding back but i can not leave hanging as its not a soft tubing its hard tubing plus i don't want to shorten out something so i have to slide it back lol.
05-21-2020 02:12 PM
s.anastasiou Just remove the GPU from the PCI slot.. leave it hanging.. I did that when I was trying to find out why the hell my board wouldn't boot up with a enterprise class samsung ssd. i.e. don't remove the card from the water loop, just unplug it from the PCIE.. And use onboard to check bios etc.
05-19-2020 04:16 PM
redot
Quote: Originally Posted by kovyrshin View Post
I was running cards in all the slots. That makes no difference.
Currently have videocard in PCIE 5 (from the top) and SSD/HBA in PCIE 1 and 2.
I know what you mean... i just tested with single slot GPU and it still does not power on to splash screen, still B2 which means if one GPU is faulty and does not matter which slot - B2 will be on and no chance to start PC unless there is a way ...

Oh, and that's how it looks like ... all parts sprayed. but not finished... as i want to change PU color and fix cut off`s .
4 heat sensors, a mixture of 16mm and 13mm PETG tubing, some lighting for tubes ( still needs to be connected ) Front has been tortured due to 360 rad and 2x140mm fans ( i done this as i had extra 360 rad lol ) Rear fan sprayed the same color as rest of the fittings and made myself custom sleeved cables. No RG lighting due to Linux and no rgb headers for mobo lol. the reservoir will be topped up a bit later as still some work to do.

Just to show others how hard tubing and Asus dual cpu looks like for some ideas.
Wanted something else's, i got inspired by Linux terminal color theme PIPES but lack of pipes and fittings does not look like what i wanted but still happy enough until i get myself another case ( dreaming about dual motherboard one so i can put Xbox inside ) and i need to add RAM coolers but Corsair 750D case is a bit to small for my setup ... kinda tight for such a big mobo and water-cooling.
P.S.S. gonna try to add raspberry pi for monitoring, lighting as currently, i have fan controller but not happy how it shows temperature )
05-19-2020 02:08 PM
kovyrshin
Quote: Originally Posted by redot View Post
Sorted with my fan - the fan was faulty.
Now a long shot: is there a way to ignore the first GPU slot? Why I'm asking? I water-cooled my system and i have faulty GPU ( water-cooled ) and its second slot from the top, then I have another GPU but its dual-slot one and I'm getting B2 error and in my understanding, its the first card which shows video right? I was trying to check BIOS but there are no options ... so I'm trying my luck.
P.s. I can not remove that water-cooled GPU atm and i knew its faulty and I added for one purpose - to swap with my new one when I get one.
I was running cards in all the slots. That makes no difference.
Currently have videocard in PCIE 5 (from the top) and SSD/HBA in PCIE 1 and 2.
05-19-2020 10:34 AM
redot Sorted with my fan - the fan was faulty.
Now a long shot: is there a way to ignore the first GPU slot? Why I'm asking? I water-cooled my system and i have faulty GPU ( water-cooled ) and its second slot from the top, then I have another GPU but its dual-slot one and I'm getting B2 error and in my understanding, its the first card which shows video right? I was trying to check BIOS but there are no options ... so I'm trying my luck.
P.s. I can not remove that water-cooled GPU atm and i knew its faulty and I added for one purpose - to swap with my new one when I get one.
05-19-2020 03:20 AM
s.anastasiou
Quote: Originally Posted by kovyrshin View Post
Hm.. Stepping 2 is retail or at least QS and x36 is max multi. Nothing stops you from getting 3.6 with two cores.



It's fine.. I used HW Info and I indeed get the correct boost with single core.. I was running XTU but I guess it is not as precise.
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