B450 Steel Legend BIOS Update from 2.3 to 3.7

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   Some things to make sure.
1. You downloaded the correct BIOS file.  B450 Steel Legend is different from B450M (EMMMM) Steel Legend.  For B450 Steel Legend, the file name is B45STL_4.60
2. You unzipped the file onto the ROOT DIRECTORY of the USB flash drive.  That is, not in any sub-directory.
3. USB isn't disabled in the BIOS.
4. I think they also recommend USB2 device, but USB3 devices will behave like USB2 device if plugged into a USB2 port (black), so I don't think it's critical.  Just try different USB port.

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eccential Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 10 Oct 2022 Location: Nevada Status: Offline Points: 5095	Post Options Post Reply Quote eccential Report Post Thanks(0) Quote Reply Topic: B450 Steel Legend BIOS Update from 2.3 to 3.7 Posted: 31 Jan 2023 at 6:49pm
	Some things to make sure. 1. You downloaded the correct BIOS file. B450 Steel Legend is different from B450M (EMMMM) Steel Legend. For B450 Steel Legend, the file name is B45STL_4.60 2. You unzipped the file onto the ROOT DIRECTORY of the USB flash drive. That is, not in any sub-directory. 3. USB isn't disabled in the BIOS. 4. I think they also recommend USB2 device, but USB3 devices will behave like USB2 device if plugged into a USB2 port (black), so I don't think it's critical. Just try different USB port.

drubis Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 25 Jan 2023 Status: Offline Points: 70	Post Options Post Reply Quote drubis Report Post Thanks(0) Quote Reply Posted: 31 Jan 2023 at 11:38am
	I am getting the message in the BIOS NO IMAGE FILE Detected. I have reformated my USB to FAT32.

bjlockie Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 17 Nov 2015 Status: Offline Points: 1394	Post Options Post Reply Quote bjlockie Report Post Thanks(0) Quote Reply Posted: 29 Jan 2023 at 4:40am
	Flash it right before you change the CPU. It should still boot with the old CPU but ASRock doesn't test it.
	ASRock B450M Pro4 16 GB DDR4, 500 watt PS, AMD Ryzen-5 5600, NVidia GTX-1050, 5.70 BIOS

drubis Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 25 Jan 2023 Status: Offline Points: 70	Post Options Post Reply Quote drubis Report Post Thanks(0) Quote Reply Posted: 28 Jan 2023 at 4:19am
	Thank you I was hoping that I would be able to just Flash it But not 100% sure.

eccential Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 10 Oct 2022 Location: Nevada Status: Offline Points: 5095	Post Options Post Reply Quote eccential Report Post Thanks(1) Quote Reply Posted: 26 Jan 2023 at 7:46pm
	I don't see any restrictions listed in the BIOS page for B450 Steel Legend. So if I were you, I'd just go straight to the latest (4.60), and then swap the CPU to 5800x. I believe there will be a AGESA 1.2.0.8 coming soon, so once that comes out, I'd flash one more time. That way, you can be sure the whole ROM is updated, since, apparently, pre-Matisse CPUs can't address the whole ROM space, or something like that.

drubis Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 25 Jan 2023 Status: Offline Points: 70	Post Options Post Reply Quote drubis Report Post Thanks(0) Quote Reply Posted: 26 Jan 2023 at 2:38am
	I am Upgrading my CPU from a Ryzen 5 2600 to a Ryzen 7 5800x. What are the steps I need to take to Upgrade my BIOS? Do I need to load the previous BIOS before 3.7?