Asus Z97-Pro (WiFi ac) bios update fail

My Asus Z97-Pro (WiFi ac) have bios v2303:

So I load the new bios (all the more recent bioses anyway) on USA flash:

I picked up the latest one (v2702) and tried…

…to upload it, then I get "not a proper BIOS" message:

NONE of the bioses I tested (v2401, v2501, v2601 and v2702) worked. All I download directly from Asus site:
http://www.asus.com/cz/Motherboards/Z97PROWiFi_ac/HelpDesk_Download/
…so could SOMEBODY tell me, what is going on?!

Next thing - let's try the mainboard function of USB BIOS Flashback - I put into the proper port (page 2-14 "bottom port supports USB BIOS Flashback") USB drive with file in the root directory, renamed by the BRenamerl.exe utility to "Z97P.CAP")

After power up, I hold the BIOS_FLBK button for 3+ seconds and I expected to see 3 blinks of the LED and beggining of the flash proces, but ABSOLUTELY NOTHING HAPPEND.

The last attempt to flash bios update on Asus Z97-Pro (WiFi ac) was my attempt to boot from USB flash. Formated as DOS bootable device (or DrDOS) and in both attempts failed. Even afer disconnecting both SATA devices (HDD + DVD).

So the mainboard works, but it did not see the Samsung SM951 (MZ - HPV1280) M.2 128G SSD is not seen as device in bios or HDD prep programs like Mini Tool Partition Wizard Pro. Any help is need:

…perhaps it is just me, doing something wrong?

have you tried fat32 ?

I tried to image a few system bios's and could not get them to install unless I had it fat32

thanks

format fat32
put only the bios file on the stick

Yes, the flash USB drive is FAT32… But I made my fail:

Now I finally have the bios updated! I completely forget, that my mainboard is not "Asus Z97-PRO (WiFi ac)", but a "Asus Z97-PRO (WiFi ac)/USB 3.1" and that means, that I tried different BIOSes. Witch end up with the "impossibility to update" the bios.

Now I running at bios v2702, yet the M.2 SSD (Samsung SM951) is still "not present" in bios, or for HDD prep program (Mini Tool Partition Wizard Professional) or visible for Windows 7 install:
http://rog.asus.com/forum/showthread.php?81308-Asus-Z97-Pro-%28WiFi-ac%29-not-see-my-M-2-SSD-drive

I wanted to install the Win7 on the M.5 Samsung 951 and I failed 😞 I tried this:
How to Install Windows on an M.2 SSD 960 Pro, 950 Pro, SM951 – 03:20
— TrickMasterPC

As this method looks very promising, however it fail to work on Asus Z97-Pro (WiFi ac)/usb 3.1 - with Samsung SM951 M.2 SSD. Rufus easily create the USB boot install Win7 Pro drive, no problemo there. However when I use the recommended bios setup, it ALWAYS reset the computer right after the "Starting Windows" message on screen appears. After that, the Asus board tell me, that it adjusted my bios settings to make the problem "go away" (it re-enable the CSM!) and then the install works, however it did not see single drive 😞 (all except M.2 are unpluged)

Latest bios are now used. Asked Asus support and get funny message, that basically says, that Asus only support following M.2 SSD drives it list there: http://www.mediafire.com/?tgzauc1phpnu21w
And the best part of the message is: "Asus do not guarantee functionality of this manboard with other that listed M.2 SSD drives." WTF …

Any help will be greatly appreciated.

I tried different bios settings regarding the CSM, but the rule seems to be that disabled CSM lead to reboot 😞

The guide is basically about that for the first part of Win install on M.2 SSD drive, you need to:

  • completely disable CSM (Boot/CSM)
  • select Secure Boot to "Other OS"
  • select Key Management to "Clear Secure Bootkeys"

...install Win thru first reboot, then...

Secure Boot: Windows UEFI Mode (instead of completely disabling CSM)
Key Management: Install Default Secure Boot Keys

So it was sound reasonable, however it failed completely 😞

Asus support tell me, that they ONLY support the M.2 SSDs, mentioned in this pdf:
http://dlcdnet.asus.com/pub/ASUS/mb/LGA1150/Z97-PRO%28Wi-Fi_ac%29_USB_31/Z97-PRO-WiFi-AC-USB31_Devices_Report.pdf

Therefore only supported (according to Asus) M.2 SSDs in Asus Z97-Pro(WiFi ac/USB 3.1 mainboard are:

Apacer:  T60 A200-M 128G
Intel:  530 SSDSCKGW080A401 80GB
Liteon:  LITEON-LGT-256M6G-2280-256GB
Kingston:  RBU-SNS6100S3/128GC-2260-128GB and RBU-SNS6100S3/256GC-2260-256GB
Sandisk: X110-2260-128GB and X110-2260-256GB
Samsung:  MZ-NPD1280-2280-128GB (Support on ISRT 13.1)

None of these SSDs are particulary interesting in terms of speed…

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