Based on stock BIOS : Sabertooth Z87 version 2302


Features :
+Added NVME support(via NvmExpressDxe_4)
+Updated old Microcode : CPU306C3 V19 ===> V28
+Updated old drivers :
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EFI GOP Driver Haswell - 5.0.1036 ===> EFI GOP Driver HSW-BDW - 5.5.1034
EFI Intel PRO1000 UNDI - 5.4.19 ===> EFI Intel Gigabit UNDI - 0.0.29
OROM Intel Boot Agent GE - 1.5.43 ===> OROM Intel Boot Agent CL - 0.1.16
EFI Realtek UNDI Driver - 2.020 ===> EFI Realtek UNDI Driver - 2.053
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What remain unchanged :
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EFI Intel RST for SATA - 12.7.0.1936
OROM Intel RST for SATA - 12.7.0.1936
RAW GOP VBT HASWELL - 177
OROM VBIOS Haswell - 2179
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How to use :
1.Extract the zip file to get "Z87ST.CAP" file
2.Put "Z87ST.CAP" into root of a FAT32 format USB
3.Use USB BIOS flashback flash it.
###Note : make sure to unplug other HDDs when you try to install any operating system on your NVME SSD.###



BIOS updated : 2020/07/17
Although the previous one works, the pad file above Microcode was missing. Thanks @Lost_N_BIOS for pointing out.
This BIOS has been tested with [I7-4770K + Intel 760p SSD + ASUS HYPER M.2 X4 MINI CARD], works perfect.


Hope this can help other Sabertooth Z87 users

Edit by Fernando: Thread title shortened

@evilhawk00 - Thanks for sharing your mod BIOS with others!
Why don't you simply rename the file to Z87ST.CAP, then zip and attach?
Pad file missing above microcodes in x2 PEI volumes, lucky this did not brick on you, but since it's tested by you and confirmed OK that means this is not an issue for this BIOS
This happens with certain methods of updating microcode, just means you need to use other method instead.

Zitat von Lost_N_BIOS im Beitrag #2

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@evilhawk00 - Thanks for sharing your mod BIOS with others!
Why don't you simply rename the file to Z87ST.CAP, then zip and attach?
Pad file missing above microcodes in x2 PEI volumes, lucky this did not brick on you, but since it's tested by you and confirmed OK that means this is not an issue for this BIOS
This happens with certain methods of updating microcode, just means you need to use other method instead.

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Is it also able to flash via EZ-Flash Tool, directly from the UEFI?

@evilhawk00 - Since it was OK first time around, it's probably OK on this system to leave that way, some BIOS don't mind.
But yes, this is something to always check, then work around so it doesn't happen when you see it, because some BIOS this = instant brick.
Great you sorted it out and re-updated BIOS for others, thanks

@attica1284 - mod BIOS for Asus, when board has USB Flashback you must use that, when it does not you have to mod BIOS on case by case basis and use FPT dump of users BIOS so mod BIOS in those cases can't be shared between users or you loose your system specific info.
So, use USB Flashback to flash in this mod BIOS, as mentioned at post #1 "how to use"

I asked sonix about the missing pad in old days:
-[Discussion] UBU Tool related Questions, Reports and Suggestions (45)

The answer is that the pad file missing is not a critical problem for 8-9 series motherboards and BIOS Aptio 4.

In my z97 motherboard also i use use a modded bios without the pad.

Excellent post, I have a question, I try to install directly from USB and it doesn't and in the Asus EZ Update tool it marks an error, hasn't something like this happened to you?

Zitat von amagsa im Beitrag #7

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Excellent post, I have a question, I try to install directly from USB and it doesn't and in the Asus EZ Update tool it marks an error, hasn't something like this happened to you?

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Hi guys, I had a problem and I don't know how to fix it, I bought a M2 and an adapter for my computer with z87 sabertooth motherboard, I installed the bios mod from this thread but now my computer doesn't detect my 2 hard drives connected by SATA.

It only detects my SSD...

Could someone please give me a hand?

EDIT:

I just swapped the SATA cables and apparently it is not that the HDD drives are not working but that only one of the SATA cables is working.


@Lost_N_BIOS

U dont see them in Bios? How were they set before the mod? RAID or Standard AHCI/IDE? How many drive total in system? Wot ports were/are connected to?