Bootloop Asrock B450M Pro4

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   Hi...

Since a few weeks I have a
Asrock B450M Pro 4
Ryzen 7 2700X
4 times G.Skill F4-3200C 16D-32GIS DDR4 3200 CL 16-18-189-38 @1.35Volts
The RAM is Intel XMP 2.0 ready
Works well on the board from beginning on
With dual boot WIN 7Pro and WIN 10Pro

Last Friday i tested XMP Profile in BIOS of the Board.
Since than the Board never boot right and loop or do nothing according to whether I use 1,2,3 ore 4 RAM Modules
Change to another RAM do not help.
In some cases the Boar beeps 3 times
C-MOS clear do not work ...

Any Idea?

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Jack Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 19 Jul 2020 Status: Offline Points: 5	Post Options Post Reply Quote Jack Report Post Thanks(0) Quote Reply Topic: Bootloop Asrock B450M Pro4 Posted: 21 Jul 2020 at 5:24pm
	Hi... Since a few weeks I have a Asrock B450M Pro 4 Ryzen 7 2700X 4 times G.Skill F4-3200C 16D-32GIS DDR4 3200 CL 16-18-189-38 @1.35Volts The RAM is Intel XMP 2.0 ready Works well on the board from beginning on With dual boot WIN 7Pro and WIN 10Pro Last Friday i tested XMP Profile in BIOS of the Board. Since than the Board never boot right and loop or do nothing according to whether I use 1,2,3 ore 4 RAM Modules Change to another RAM do not help. In some cases the Boar beeps 3 times C-MOS clear do not work ... Any Idea?

kschendel Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 21 Aug 2018 Status: Offline Points: 86	Post Options Post Reply Quote kschendel Report Post Thanks(0) Quote Reply Posted: 22 Jul 2020 at 12:39am
	A full cmos reset should take you back to factory defaults. Check your manual on how to do that properly. If that doesn't work I'd say the board is broken.

Jack Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 19 Jul 2020 Status: Offline Points: 5	Post Options Post Reply Quote Jack Report Post Thanks(0) Quote Reply Posted: 22 Jul 2020 at 4:39am
	I have tried every regular Bios and C-MOS reset Methodes. They dont work. But how is it possible that a simple and legal setting of parameters in BIOS destroy the Board? I have found a very tiny SPI connector on board. I think it is used to program the BIOS Chip. Has somebody any informations about this programming? Maybe under the Use of a Raspberry or Arduino? Or any other Eprom programmer? If everything does not help, I will probably have to make use of the warranty