Athlon X4 950 in a Asrock AB350M Pro4

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   I realize this isn't a high end setup, but I need to get these two working as a temporary rig.   I've tried the CPU in the MB but it won't post at all.   Lights and fans come on but nothing beyond that.   The case fan does "pulse" a couple of minutes after I try to get it to boot.   These two should be compatible, correct?    Any hints on what could be wrong?   Thanks.

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Big Al Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 17 Sep 2017 Status: Offline Points: 21	Post Options Post Reply Quote Big Al Report Post Thanks(0) Quote Reply Topic: Athlon X4 950 in a Asrock AB350M Pro4 Posted: 11 Oct 2017 at 2:31am
	I realize this isn't a high end setup, but I need to get these two working as a temporary rig. I've tried the CPU in the MB but it won't post at all. Lights and fans come on but nothing beyond that. The case fan does "pulse" a couple of minutes after I try to get it to boot. These two should be compatible, correct? Any hints on what could be wrong? Thanks.

wardog Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 15 Jul 2015 Status: Offline Points: 6447	Post Options Post Reply Quote wardog Report Post Thanks(0) Quote Reply Posted: 11 Oct 2017 at 3:39am
	You are using a dedicated GPU inserted into the PCIe slot, right? A series have an iGPU but the 950 you have does not and req's a GPU card.

Big Al Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 17 Sep 2017 Status: Offline Points: 21	Post Options Post Reply Quote Big Al Report Post Thanks(0) Quote Reply Posted: 11 Oct 2017 at 5:23am
	Correct. I had a separate GTX 1050 in the pcie slot. If the motherboard was previously used for a Ryzen CPU would it recognize that a different CPU was inserted and automatically voltages and other parameters accordingly. I'm concerned that I didn't clear CMOS when switched CPU's and may have toasted the Athlon.

datonyb Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 11 Apr 2017 Location: London U.K. Status: Offline Points: 3154	Post Options Post Reply Quote datonyb Report Post Thanks(0) Quote Reply Posted: 11 Oct 2017 at 5:41am
	have you still got the ryzen if so try that and see what happens
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Big Al Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 17 Sep 2017 Status: Offline Points: 21	Post Options Post Reply Quote Big Al Report Post Thanks(0) Quote Reply Posted: 11 Oct 2017 at 5:53am
	Yes, Ryzen still works when it's inserted.

datonyb Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 11 Apr 2017 Location: London U.K. Status: Offline Points: 3154	Post Options Post Reply Quote datonyb Report Post Thanks(0) Quote Reply Posted: 11 Oct 2017 at 6:00am
	latest bios (that states its got code for the athlon ?) and set the bios to default before removing the ryzen remember the new cpu and bios will take a minute at least to boot first time
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datonyb Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 11 Apr 2017 Location: London U.K. Status: Offline Points: 3154	Post Options Post Reply Quote datonyb Report Post Thanks(0) Quote Reply Posted: 11 Oct 2017 at 6:02am
	another quick thought ? the apu's dont support fast ram does anyone know if the athlon actually does ? e.g. is your ram NOW incompatable ?
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Big Al Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 17 Sep 2017 Status: Offline Points: 21	Post Options Post Reply Quote Big Al Report Post Thanks(0) Quote Reply Posted: 11 Oct 2017 at 11:09am
	I have the latest bios and there's only a couple of athlon's that are listed, but from what I can tell it's supported. My memory is DDR 2400 which is what it's supposed to support up to also. As far as graphics it says right on the box that discrete graphics is required. When it says APU they actually define that as Athlon Process Unit on the side of the box even though it doesn't have graphics capabilities.

parsec Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 04 May 2015 Location: USA Status: Offline Points: 4996	Post Options Post Reply Quote parsec Report Post Thanks(0) Quote Reply Posted: 11 Oct 2017 at 11:27am
	If you change to a different CPU in any board, you MUST clear the BIOS and also remove the board's battery to clear the BIOS/CMOS memory. Have you ever done this before? Be sure to remove all power from the PC, and leave the battery out for at least five minutes. An X4 950 should be compatible with your board and any UEFI/BIOS version, according the the CPU Support list. The specs say nothing about memory speed with Athlon X4 processors, so I would keep it at 2133 for the first couple boots into Windows, and then try increasing it a little at a time. Edited by parsec - 11 Oct 2017 at 11:29am


Big Al Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 17 Sep 2017 Status: Offline Points: 21	Post Options Post Reply Quote Big Al Report Post Thanks(0) Quote Reply Posted: 12 Oct 2017 at 10:14am
	Pulled the battery and jumped the cmos jumper for around 5-10 minutes and still no post. Only the cpu and chasis fans but no beeps (yes, I have a speaker). I'm thinking either it's incompatible or the cpu is toast.