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[REQUEST] Asus x99-a 3.1 4x4x4x4x bifurcation
#11
HOLY Ship I GOT IT TO WORK WITH GRUB!!!!!!!!!

(01-09-2022, 11:50 PM)genius239 Wrote: @PPA

1. Why do you need use flashback to re-write the modified bios? Because it will not verify the cap bios again. As long as you have edit it anything it's impossible keep the signed  and it can't be re-write by ez-flash ai3 ,this is why i want you to use flashback to flash the mod.
Its original feature is revert bios when you got bricked.

Also ,i'm hope you try intel fpt tool.

2. Below is i thought AMIBCP options correspond to the actual pci-e slot. Not sure ,but you could try it.
IOU0 (IIO PCIe Port 2) >> no.4 pci-e slot
IOU1 (IIO PCIe Port 3) >> no.1 pci-e slot
[Image: B20zFQ3G_o.png]

3. You can also change variable via GRUB without bios modification.
Cpu type
[Image: LzaJ4nbl_o.png]

[Image: yF3lg7Xc_o.png]

If you use i often use Grub version and for example ,if you want to change IOU1 (IIO PCIe Port 3) to x4x4x4x4 ,command lines look like below.

setup_var IntelSetup 0x537 0x0

4. Use ru.efi to change variable is also a good chooice.
find
quote
#12
@PPA

1. Wow~it's a good news! Does it did a correct pci-e bifurcation and now you can see the all four nvme devices?

2. Change variable under Grub is only change current bios setting value ,it's not a bios modification. As long as you load the bios default then all will revert to the default.

3. Did you only typed one command line setup_var IntelSetup 0x537 0x0 then it's work?

find
quote
#13
Yep, I ran that exact command and rebooted. After I did that I saw all 4 NVME drives (top PCI slot). I put them in raid 0 and am now getting over 8 GBs Reads.

Thank you!!

(01-10-2022, 10:26 PM)genius239 Wrote: @PPA

1. Wow~it's a good news! Does it did a correct pci-e bifurcation and now you can see the all four nvme devices?

2. Change variable under Grub is only change current bios setting value  ,it's not a bios modification. As long as you load the bios default then all will revert to the default.

3. Did you only typed one command line setup_var IntelSetup 0x537 0x0  then it's work?
find
quote
#14
@PPA

Ok~thanks for the feedback.

find
quote
#15
(01-09-2022, 11:50 PM)genius239 Wrote: @PPA

1. Why do you need use flashback to re-write the modified bios? Because it will not verify the cap bios again. As long as you have edit it anything it's impossible keep the signed  and it can't be re-write by ez-flash ai3 ,this is why i want you to use flashback to flash the mod.
Its original feature is revert bios when you got bricked.

Also ,i'm hope you try intel fpt tool.

2. Below is i thought AMIBCP options correspond to the actual pci-e slot. Not sure ,but you could try it.
IOU0 (IIO PCIe Port 2) >> no.4 pci-e slot
IOU1 (IIO PCIe Port 3) >> no.1 pci-e slot
[Image: B20zFQ3G_o.png]

3. You can also change variable via GRUB without bios modification.
Cpu type
[Image: LzaJ4nbl_o.png]

[Image: yF3lg7Xc_o.png]

If you use i often use Grub version and for example ,if you want to change IOU1 (IIO PCIe Port 3) to x4x4x4x4 ,command lines look like below.

setup_var IntelSetup 0x537 0x0

4. Use ru.efi to change variable is also a good chooice.

Hello! I want to do this thing via GRUB on my asus rog strix x99 or asus sabertooth x99 with 40lane i7 6950x, and want to know where to see commands to get #1 PCIx16 or #2 PCIx16 to work x4x4x4x4, cold you help me a bit?
find
quote


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