Asrock b450m pro4 bios 3.60 issue

Ej24

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Jun 11, 2016
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Having some issues with v3.60 agesa 1.0.0.3abb

Background :
Just slapped a Ryzen 9 3900x in my b450m pro4to replace a 2700. Worked ok with bios 3.30 (earliest bios to support Ryzen 3xxx). But the post time was like 2 minutes. Its run a case fan (just one of them) at full speed for a full minute. Then everything else would come to life. No clue if the cpu was sitting there just getting needlessly hot or what, at any rate it was annoying.

Updated to v3.60 with agesa 1.0.0.3abb. Some people reported better boost clocks and lower voltage (Hopefully lower temps) as well as faster POST. So I gave it a shot.

Problem :
Still agonizing post time. Same behavior. But now it only let's me access the UEFI menu if I clear cmos. I get an asrock splash screen with press del for menu, f6 for flash, f11 for boot options like normal. If I don't touch it, it boots to Ubuntu fine. If I smash del to enter UEFI, the screen goes black and that's it. Never comes up.

Anyone else experienced this? Should I go ahead and update to bios 3.90 with agesa 1.0.0.4b? Roll back to 3.50 or 3.30?
 

Denpepe

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Iirc you would need bios 1.0.0.4b to avoid some issues with certain software so I would at least give that a go and see what happens, you can still go back if needed.
 

Ej24

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Jun 11, 2016
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Iirc you would need bios 1.0.0.4b to avoid some issues with certain software so I would at least give that a go and see what happens, you can still go back if needed.
Alright, I'll give 1.0.0.4 a try. Gotta say the first boot with 1.0.0.3abb was nerve racking, definitely thought it bricked. So upgrading again makes me nervous.
 

Ej24

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I realized bios 3.60 also wasn't saving any bios settings. Nothing survived each reboot. That may have been contributing to the slow POST. Updating to 3.90 fixed the problem. POST is still a little slow, but not nearly as bad. Settings in bios seem to stick now too. Also gained new voltage and clock adjustment options in the OC menu with bios 3.90
 

mda

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POST time was 'fixed' in 1004 for 3xxx CPUs. Not intel fixed but anywhere from 25 to 100pct better depending on the board.
 

Ej24

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POST time was 'fixed' in 1004 for 3xxx CPUs. Not intel fixed but anywhere from 25 to 100pct better depending on the board.
Post time was totally normal with the 2700. So I figure it's got to be related to pcie 4.0. Or some other technology related to the new 3xxx cpu's. In my experience with Intel boards in the past if you disabled unnecessary things like com ports, disable Lan boot, or specify the pcie version it'd speed up post a good bit. It'd be nice to be able to disable whatever is slowing down Ryzen 3xxx post.
 

mda

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Mar 23, 2011
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Post time was totally normal with the 2700. So I figure it's got to be related to pcie 4.0. Or some other technology related to the new 3xxx cpu's. In my experience with Intel boards in the past if you disabled unnecessary things like com ports, disable Lan boot, or specify the pcie version it'd speed up post a good bit. It'd be nice to be able to disable whatever is slowing down Ryzen 3xxx post.
Noticed the same thing with my X470 when I moved the CPU on it from a 2700x to a 3700x. The 2700x took far shorter to boot. It still does on its current B450 board compared to the 3700x/x470
 
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