Major GIGABYTE BIOS Vulnerabilities


Stigg

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GIGABYTE owners are being advised to update their BIOSes due to major vulnerabilities.
It appears that it affects both Intel and AMD systems. There are articles about it everywhere.

This is the BIOS update description for my motherboard.
Major vulnerabilities updates. Customers are strongly encouraged to update to this release at the earliest.
Credits to "Assaf Carlsbad and Itai Liba from SentinelOne"
Introduce capsule BIOS support starting this version.
Customers will NOT be able to reverse to previous BIOS version due to major vulnerabilities concerns.

I'm a bit concerned not being able to reverse to previous versions as I see some people are having problems.
Also, this BIOS archive file contains different files to previous ones. Normally, I just use Q-Flash, or to a lesser extent @ BIOS.

I've attached the PDF file that comes with it. Maybe someone can make sense of it for me.
 

Attachments

  • efiflash SOP_MElock.pdf
    56.2 KB · Views: 5
Last edited:

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geneo

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From what I found in the threads about this, they are probably are these two Intel vulnerabilities:


FWIW, both require local access to your computer to exploit. What "local access" means is that an attacker requires prior access to the vulnerable system. So there has to be another means to get access to your system first. So it requires an additional network or physical exploitation.
 

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Stigg

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From what I found in the threads about this, they are probably are these two Intel vulnerabilities:


FWIW, both require local access to your computer to exploit. What "local access" means is that an attacker requires prior access to the vulnerable system. So there has to be another means to get access to your system first. So it requires an additional network or physical exploitation.
On the GIGABYTE Support Forum, a forum member posted a reply from GIGABYTE Technical Support Team which appears to indicate that it also affects AMD systems.

 

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geneo

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Yeah, I was aware of that, but didn't have a reference for the AMD side.
 

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Stigg

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I guess my biggest query is, why have they instructed a different BIOS update method for this particular BIOS update?

Over the years, I have updated GIGABYTE BIOSes on numerous motherboards and laptops, and the procedure has always been the same. But this particular BIOS update includes flash.nsh and an EFI sub-folder containing BOOTX64.EFI and startup.nsh along with specific instructions (attached in opening post).

And apart from that, it's irreversible according to GIGABYTE.
 

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geneo

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Well, I have some theories I was going to post, but I am not going to speculate. But perhaps their BIOS update delivery was the vulnerability that gives the initial access, IDK.
 
Last edited:

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    2560x1600

RFS

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I have updated my Z370 BIOS with this update and have had no problems at all with it.
 

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    16 GB
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    Philips 27 inch
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    Intel i3-8100
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    Gigabyte Z370 D3
    Memory
    16 Gb
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    Nvidia GT 720
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    Motherboard default
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    Philips 27-inch
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    1920x1080
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    Samsung 960 NVMe SSD 256 Gb
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Stigg

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I have updated my Z370 BIOS with this update and have had no problems at all with it.
What update method did you use?
Did you follow the included PDF instructions?
 

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    CPU
    Intel Core i9-10900X
    Motherboard
    GIGABYTE X299X DESIGNARE 10G
    Memory
    Corsair 64 GB (4 x 16 GB) CMW64GX4M4C3000C15 Vengeance RGB Pro 3000Mhz DDR4
    Graphics Card(s)
    GIGABYTE GeForce GTX 1660 Super Mini ITX 6 GB OC
    Sound Card
    Realtek ALC1220
    Monitor(s) Displays
    Samsung 27" FHD LED FreeSync Gaming Monitor (LS27F350FHEXXY)
    Screen Resolution
    1920 x 1080
    Hard Drives
    Samsung 970 Pro Series 1TB M.2 2280 NVMe SSD
    Western Digital Red Pro WD8003FFBX-68B9AN0 8 TB, 7200 RPM, SATA-III
    Western Digital Red Pro WD8003FFBX-68B9AN0 8 TB, 7200 RPM, SATA-III
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    N/A
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    Logitech BRIO 4k Ultra HD USB-C Webcam
  • Operating System
    Windows 10 Pro
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    Laptop
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    ASUS ROG Zephyrus M GM501GS
    CPU
    Core i7-8750H
    Motherboard
    Zephyrus M GM501GS
    Memory
    SK Hynix 32 GB (2 x 16 GB) HMA82GS6CJR8N-VK 16 GB DDR4-2666 DDR4 SDRAM
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    NVIDIA GeForce GTX 1070
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    Realtek ALC294
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    AU Optronics B156HAN07.1 [15.6" LCD]
    Screen Resolution
    1920 x 1080
    Hard Drives
    Samsung MZVKW512HMJP-00000 512 GB, PCI-E 3.0 x4
    Samsung SSD 860 QVO 4TB 4 TB, SATA-III
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    N/A
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    N/A
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    PC/AT Enhanced PS2 Keyboard (101/102-Key)
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bikemanI7

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Updated the Day it came out for my Gigabyte B460M_DS3H, ((PC Used Daily, various tasks, no problems seen here)) Used daily for a good 12-16 hours, gaming, listening to music, little video work, system maintenance tasks, streaming audio sometimes at night to bluetooth headset
 

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    Intel I7 10700
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    Gigabyte B460M_DS3H Rev 1.0
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    16GB DDR4 2400mhz
    Graphics Card(s)
    EVGA Geforce 1660 Super
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    Onboard Audio
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    Asus VG245H
    Screen Resolution
    1920x1080
    Hard Drives
    M.2 Samsung 970 Evo Plus 500GB Boot
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    Western Digital Black 4TB Storage Drive

    External
    Western Digital Elements 500GB
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    EVGA G3 650 Watt
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    Intel Stock CPU Cooler, 3 Front Intake Fans, 1 120 Exhaust in rear of case
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    Extreme 600Mbps/20Mbps upload
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Stigg

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I am back from the BIOS update.

I updated using the recommended EFI shell mode method. It all went well.
Although the computer restarted about five times before it completed.
 

My Computers

System One System Two

  • OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Stigg's Build
    CPU
    Intel Core i9-10900X
    Motherboard
    GIGABYTE X299X DESIGNARE 10G
    Memory
    Corsair 64 GB (4 x 16 GB) CMW64GX4M4C3000C15 Vengeance RGB Pro 3000Mhz DDR4
    Graphics Card(s)
    GIGABYTE GeForce GTX 1660 Super Mini ITX 6 GB OC
    Sound Card
    Realtek ALC1220
    Monitor(s) Displays
    Samsung 27" FHD LED FreeSync Gaming Monitor (LS27F350FHEXXY)
    Screen Resolution
    1920 x 1080
    Hard Drives
    Samsung 970 Pro Series 1TB M.2 2280 NVMe SSD
    Western Digital Red Pro WD8003FFBX-68B9AN0 8 TB, 7200 RPM, SATA-III
    Western Digital Red Pro WD8003FFBX-68B9AN0 8 TB, 7200 RPM, SATA-III
    PSU
    Corsair HX1200 1200W 80 Plus Platinum
    Case
    Fractal Design Define 7 Black Solid Case
    Cooling
    Noctua NH-D15 Chromax Black
    Keyboard
    Razer Ornata V2
    Mouse
    Razer DeathAdder Essential
    Internet Speed
    FTTN 100Mbps / 40Mbps
    Browser
    Mozilla Firefox
    Antivirus
    N/A
    Other Info
    Logitech BRIO 4k Ultra HD USB-C Webcam
  • Operating System
    Windows 10 Pro
    Computer type
    Laptop
    Manufacturer/Model
    ASUS ROG Zephyrus M GM501GS
    CPU
    Core i7-8750H
    Motherboard
    Zephyrus M GM501GS
    Memory
    SK Hynix 32 GB (2 x 16 GB) HMA82GS6CJR8N-VK 16 GB DDR4-2666 DDR4 SDRAM
    Graphics card(s)
    NVIDIA GeForce GTX 1070
    Sound Card
    Realtek ALC294
    Monitor(s) Displays
    AU Optronics B156HAN07.1 [15.6" LCD]
    Screen Resolution
    1920 x 1080
    Hard Drives
    Samsung MZVKW512HMJP-00000 512 GB, PCI-E 3.0 x4
    Samsung SSD 860 QVO 4TB 4 TB, SATA-III
    PSU
    N/A
    Case
    N/A
    Cooling
    N/A
    Mouse
    Razer DeathAdder Essential
    Keyboard
    PC/AT Enhanced PS2 Keyboard (101/102-Key)
    Internet Speed
    FTTN 100Mbps / 40Mbps
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    N/A
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    USB2.0 HD UVC Webcam

RFS

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What update method did you use?
Did you follow the included PDF instructions?

I used the Q-FLASH method. Put the update file on a FAT32 USB stick, and booted the PC holding down the END key. All pretty simple from there.

You need to bear in mind that when you update the BIOS, it returns to standard defaults. So I had to re-enable secure boot, TPM etc and also turn off fast boot.

See instructions here.
 

My Computers

System One System Two

  • OS
    Windows 11 Home
    Computer type
    PC/Desktop
    Manufacturer/Model
    Self-build
    CPU
    Intel I3-10100
    Motherboard
    MSI H410M-PRO
    Memory
    16 GB
    Graphics Card(s)
    Nvidia GT 1030
    Sound Card
    Motherboard default
    Monitor(s) Displays
    Philips 27 inch
    Screen Resolution
    1920x1080
    Hard Drives
    Samsung EVO 970 NVMe SSD 256 Gb
    Samsung QVO 870 SATA SSD 2 Tb
    PSU
    ATX 450W
    Keyboard
    Logitech
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    930 Mb down / 120 Mb up
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    Microsoft Office 2016 Home and Business
  • Operating System
    Windows 11 Home
    Computer type
    PC/Desktop
    Manufacturer/Model
    Self-build
    CPU
    Intel i3-8100
    Motherboard
    Gigabyte Z370 D3
    Memory
    16 Gb
    Graphics card(s)
    Nvidia GT 720
    Sound Card
    Motherboard default
    Monitor(s) Displays
    Philips 27-inch
    Screen Resolution
    1920x1080
    Hard Drives
    Samsung 960 NVMe SSD 256 Gb
    Seagate 2 Tb HDD
    PSU
    ATX 450W
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    930 Mb down / 120 Mb up
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Stigg

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I used the Q-FLASH method. Put the update file on a FAT32 USB stick, and booted the PC holding down the END key. All pretty simple from there.

You need to bear in mind that when you update the BIOS, it returns to standard defaults. So I had to re-enable secure boot, TPM etc and also turn off fast boot.

See instructions here.
I usually use Q-Flash too. But the reason I went with EFI Shell Mode is because this BIOS update included specific instructions and extra files, including an EFI sub-folder. I attached the instructions in my opening post. I have never seen this before in previous updates. Did your BIOS update not have these specific instructions, extra files and EFI sub-folder?

By the way, the previous BIOS update last month addressed the TPM issue and enabled it as the default setting.
1. Change default status of Intel® Platform Trust Technology (Intel® PTT) to Enabled for addressing basic Windows 11 requirements (Enable TPM 2.0 on your PC)
2. Enable Resizable Base-Address Register (Resizable-BAR) option to enhance GPU performance
3. Enhance RAID AIC compatibility
4. Addresses Intel voltage-based overclocking functionality on new Intel® Core™ X-series 10000 processors (see more: https://www.intel.com/content/www/us/en/ support/articles/000055751/processors/intel-core-processors.html)
5. Improve 4000MHz memory compatibility
 
Last edited:

My Computers

System One System Two

  • OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Stigg's Build
    CPU
    Intel Core i9-10900X
    Motherboard
    GIGABYTE X299X DESIGNARE 10G
    Memory
    Corsair 64 GB (4 x 16 GB) CMW64GX4M4C3000C15 Vengeance RGB Pro 3000Mhz DDR4
    Graphics Card(s)
    GIGABYTE GeForce GTX 1660 Super Mini ITX 6 GB OC
    Sound Card
    Realtek ALC1220
    Monitor(s) Displays
    Samsung 27" FHD LED FreeSync Gaming Monitor (LS27F350FHEXXY)
    Screen Resolution
    1920 x 1080
    Hard Drives
    Samsung 970 Pro Series 1TB M.2 2280 NVMe SSD
    Western Digital Red Pro WD8003FFBX-68B9AN0 8 TB, 7200 RPM, SATA-III
    Western Digital Red Pro WD8003FFBX-68B9AN0 8 TB, 7200 RPM, SATA-III
    PSU
    Corsair HX1200 1200W 80 Plus Platinum
    Case
    Fractal Design Define 7 Black Solid Case
    Cooling
    Noctua NH-D15 Chromax Black
    Keyboard
    Razer Ornata V2
    Mouse
    Razer DeathAdder Essential
    Internet Speed
    FTTN 100Mbps / 40Mbps
    Browser
    Mozilla Firefox
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    N/A
    Other Info
    Logitech BRIO 4k Ultra HD USB-C Webcam
  • Operating System
    Windows 10 Pro
    Computer type
    Laptop
    Manufacturer/Model
    ASUS ROG Zephyrus M GM501GS
    CPU
    Core i7-8750H
    Motherboard
    Zephyrus M GM501GS
    Memory
    SK Hynix 32 GB (2 x 16 GB) HMA82GS6CJR8N-VK 16 GB DDR4-2666 DDR4 SDRAM
    Graphics card(s)
    NVIDIA GeForce GTX 1070
    Sound Card
    Realtek ALC294
    Monitor(s) Displays
    AU Optronics B156HAN07.1 [15.6" LCD]
    Screen Resolution
    1920 x 1080
    Hard Drives
    Samsung MZVKW512HMJP-00000 512 GB, PCI-E 3.0 x4
    Samsung SSD 860 QVO 4TB 4 TB, SATA-III
    PSU
    N/A
    Case
    N/A
    Cooling
    N/A
    Mouse
    Razer DeathAdder Essential
    Keyboard
    PC/AT Enhanced PS2 Keyboard (101/102-Key)
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    FTTN 100Mbps / 40Mbps
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    N/A
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    USB2.0 HD UVC Webcam

Dru2

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GIGABYTE owners are being advised to update their BIOSes due to major vulnerabilities.
It appears that it affects both Intel and AMD systems. There are articles about it everywhere.

I'm a bit concerned not being able to reverse to previous versions as I see some people are having problems.
Also, this BIOS archive file contains different files to previous ones. Normally, I just use Q-Flash, or to a lesser extent @ BIOS.

Gigabyte Z390 Aorus Xtreme motherboard - I updated my BIOS; my system didn't blow up though it did appear to clear my TPM. Outside of that all good.

Also, if you have a dual BIOS setup up, you can always revert to the backup. When I did my BIOS update, I was asked if I wanted to update the backup and I chose no.

Anyway, just used Q-Flash to update the BIOS. Didn't get/see any extra instructions for extra stuff.
 
Last edited:

My Computers

System One System Two

  • OS
    Windows 11 Pro 21H2 (22000.613)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom built
    CPU
    Intel i9-9900K
    Motherboard
    Gigabyte Aorus Z390 Xtreme
    Memory
    32G (4x8) DDR4 Corsair RGB Dominator Platinum (3600Mhz)
    Graphics Card(s)
    Radeon VII
    Sound Card
    Onboard (ESS Sabre HiFi using Realtek drivers)
    Monitor(s) Displays
    NEC PA242w (24 inch)
    Screen Resolution
    1920 x 1200
    Hard Drives
    5 Samsung SSD drives: 2X 970 NVME (512 & 1TB), 3X EVO SATA (2X 2TB, 1X 1TB)
    PSU
    EVGA Super Nova I000 P2 (1000 watt)
    Case
    Cooler Master H500M
    Cooling
    Corsair H115i RGB Platinum
    Keyboard
    Logitech Craft
    Mouse
    Logitech MX Master 2S
    Internet Speed
    500mb Download. 11mb Upload
    Browser
    Microsoft Edge Chromium
    Antivirus
    Windows Security
    Other Info
    System used for gaming, photography, audiophile media center, work.
  • Operating System
    Win 11 Pro Dev build 22454.1000
    Computer type
    Laptop
    Manufacturer/Model
    Lenovo ThinkPad Yoga X1
    CPU
    Intel i7-7600U
    Motherboard
    Intel
    Memory
    16igg
    Graphics card(s)
    Intel HD 620
    Sound Card
    Onboard
    Monitor(s) Displays
    14.0 WQHD OLED Touch
    Screen Resolution
    2560 x 1440
    Hard Drives
    1TB NVMe Drive (OEM)
    PSU
    laptop
    Case
    laptop
    Cooling
    Laptop cooling
    Mouse
    Logitech MX Anywhere 2S
    Keyboard
    Laptop
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    100MB
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    Edge Chromium
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    Windows Security

Stigg

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Gigabyte Z390 Aorus Xtreme motherboard - I updated my BIOS; my system didn't blow up though it did appear to clear my TPM. Outside of that all good.

Also, if you have a dual BIOS setup up, you can always revert to the backup. When I did my BIOS update, I was asked if I wanted to update the backup and I chose no.

Anyway, just used Q-Flash to update the BIOS. Didn't get/see any extra instructions for extra stuff.
The specific instructions, extra files and EFI sub-folders are these posted below. The PDF instructions are in my opening post.
As I have previously said, I have never had these specific instructions, extra files and EFI sub-folders in any previous BIOS update. My guess is it was designed to clear the vulnerabilities.

GIGABYTE X299X DESIGNARE 10G (Rev. 1.0) BIOS vF3j.pngGIGABYTE X299X DESIGNARE 10G (Rev. 1.0) BIOS vF3j_.png

I am glad yours worked without any problems. :)
 

My Computers

System One System Two

  • OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Stigg's Build
    CPU
    Intel Core i9-10900X
    Motherboard
    GIGABYTE X299X DESIGNARE 10G
    Memory
    Corsair 64 GB (4 x 16 GB) CMW64GX4M4C3000C15 Vengeance RGB Pro 3000Mhz DDR4
    Graphics Card(s)
    GIGABYTE GeForce GTX 1660 Super Mini ITX 6 GB OC
    Sound Card
    Realtek ALC1220
    Monitor(s) Displays
    Samsung 27" FHD LED FreeSync Gaming Monitor (LS27F350FHEXXY)
    Screen Resolution
    1920 x 1080
    Hard Drives
    Samsung 970 Pro Series 1TB M.2 2280 NVMe SSD
    Western Digital Red Pro WD8003FFBX-68B9AN0 8 TB, 7200 RPM, SATA-III
    Western Digital Red Pro WD8003FFBX-68B9AN0 8 TB, 7200 RPM, SATA-III
    PSU
    Corsair HX1200 1200W 80 Plus Platinum
    Case
    Fractal Design Define 7 Black Solid Case
    Cooling
    Noctua NH-D15 Chromax Black
    Keyboard
    Razer Ornata V2
    Mouse
    Razer DeathAdder Essential
    Internet Speed
    FTTN 100Mbps / 40Mbps
    Browser
    Mozilla Firefox
    Antivirus
    N/A
    Other Info
    Logitech BRIO 4k Ultra HD USB-C Webcam
  • Operating System
    Windows 10 Pro
    Computer type
    Laptop
    Manufacturer/Model
    ASUS ROG Zephyrus M GM501GS
    CPU
    Core i7-8750H
    Motherboard
    Zephyrus M GM501GS
    Memory
    SK Hynix 32 GB (2 x 16 GB) HMA82GS6CJR8N-VK 16 GB DDR4-2666 DDR4 SDRAM
    Graphics card(s)
    NVIDIA GeForce GTX 1070
    Sound Card
    Realtek ALC294
    Monitor(s) Displays
    AU Optronics B156HAN07.1 [15.6" LCD]
    Screen Resolution
    1920 x 1080
    Hard Drives
    Samsung MZVKW512HMJP-00000 512 GB, PCI-E 3.0 x4
    Samsung SSD 860 QVO 4TB 4 TB, SATA-III
    PSU
    N/A
    Case
    N/A
    Cooling
    N/A
    Mouse
    Razer DeathAdder Essential
    Keyboard
    PC/AT Enhanced PS2 Keyboard (101/102-Key)
    Internet Speed
    FTTN 100Mbps / 40Mbps
    Browser
    Mozilla Firefox
    Antivirus
    N/A
    Other Info
    USB2.0 HD UVC Webcam

Dru2

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Windows 11 Pro 21H2 (22000.613)
The specific instructions, extra files and EFI sub-folders are these posted below. The PDF instructions are in my opening post.
As I have previously said, I have never had these specific instructions, extra files and EFI sub-folders in any previous BIOS update. My guess is it was designed to clear the vulnerabilities.

View attachment 17562View attachment 17563

I am glad yours worked without any problems. :)

Yeah, I used to check the files, but just extract and update now. Gigabyte usually notifies on the download page you if "special precautions" are needed for an update.
 
Last edited:

My Computers

System One System Two

  • OS
    Windows 11 Pro 21H2 (22000.613)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom built
    CPU
    Intel i9-9900K
    Motherboard
    Gigabyte Aorus Z390 Xtreme
    Memory
    32G (4x8) DDR4 Corsair RGB Dominator Platinum (3600Mhz)
    Graphics Card(s)
    Radeon VII
    Sound Card
    Onboard (ESS Sabre HiFi using Realtek drivers)
    Monitor(s) Displays
    NEC PA242w (24 inch)
    Screen Resolution
    1920 x 1200
    Hard Drives
    5 Samsung SSD drives: 2X 970 NVME (512 & 1TB), 3X EVO SATA (2X 2TB, 1X 1TB)
    PSU
    EVGA Super Nova I000 P2 (1000 watt)
    Case
    Cooler Master H500M
    Cooling
    Corsair H115i RGB Platinum
    Keyboard
    Logitech Craft
    Mouse
    Logitech MX Master 2S
    Internet Speed
    500mb Download. 11mb Upload
    Browser
    Microsoft Edge Chromium
    Antivirus
    Windows Security
    Other Info
    System used for gaming, photography, audiophile media center, work.
  • Operating System
    Win 11 Pro Dev build 22454.1000
    Computer type
    Laptop
    Manufacturer/Model
    Lenovo ThinkPad Yoga X1
    CPU
    Intel i7-7600U
    Motherboard
    Intel
    Memory
    16igg
    Graphics card(s)
    Intel HD 620
    Sound Card
    Onboard
    Monitor(s) Displays
    14.0 WQHD OLED Touch
    Screen Resolution
    2560 x 1440
    Hard Drives
    1TB NVMe Drive (OEM)
    PSU
    laptop
    Case
    laptop
    Cooling
    Laptop cooling
    Mouse
    Logitech MX Anywhere 2S
    Keyboard
    Laptop
    Internet Speed
    100MB
    Browser
    Edge Chromium
    Antivirus
    Windows Security
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