Rename the file msi.rom then stick in the usb slot that says flash bios. I attached a link to ASUS, USB BIOS Flashback - Republic of Gamers Motherboards? Yes, this is the only way to "flash" a BIOS without a CPU. So I have to update bios without CPU and RAM. Then attach the 24pim cable as well as the processor power 1 cable. I have read that some MSI motherboards are able to update via USB without a CPU installed by "M-Flash". There is a bios flash back button on some of MSI mainboards, then you can easily update bios without CPU, display … So the question is, How do i update my motherboard's BIOS without the need to have a processor in it. This feature also works on a complete system. 11 Oct 2020 at 13:49 #3. mickyflinn. This problem can be avoided by buying a motherboard with BIOS Flashback feature that allows you to update the motherboard BIOS without the need of any processor, graphics card and RAM. The problem is that; when the computer starts no display is seen. Once flashing stops bios … This is a very nifty feature but comes in select motherboards from MSI and ASUS. The BIOS Flash button is a special feature that lets you flash the BIOS without having a CPU, RAM, or video card installed. Indeed you can. Hi, CHarlie. ... (X570/B550) that have the capability of flashing the bios without a CPU installed? Power your psu and press the flash bios button next to the usb port. ?USB BIOS Flashback. Most reputable manufacturers are willing to ship to you an updated BIOS EEPROM chip provided you are competent enough to use a $10 PLC Extractor bought from Radio Shack to pull out the old chip and put in the new one. I am making the switch to AMD for the 5900x but as this will be my only board and CPU… In about 5sec the board powers up and a led will flash. Download bios, store it on a usb stick. I have done some looking around and have not found any clear indication whether or not I will be able to even update the BIOS to use my Kaby Lake CPU. Here is a list with all AM4 boards, only those with a check in the BIOS Flashback row will allow you to update without CPU. Capodecina. Bios Flash with or without cpu and ram Hello, I just bought and put together an MSI B550 -A PRO mobo with a Ryzen 5 5600x and 16g ram, my question is, can i use the bios flashback button with the cpu and ram installed or do i have to remove it to do it correctly, also on which usb slot do i have to insert the stick, does it matter? The most common reason you would want/need to do this is if you had a new CPU that was not supported by the existing BIOS version on the … The Crosshair VII, and some MSI boards with BIOS Flashback will work, forget about Asrock,Gigabyte and all other Asus boards. I can not update the bios beacuse I do not have an old 2000 series AMD CPU. Tomorrow my MSI Z170A SLI (non-plus) version comes in the mail, along with my 7700k.. 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