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Author Topic: R7 260X - Stuck on 150Mhz unless 2 monitors are plugged in?  (Read 760 times)
adaseb
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June 26, 2014, 02:59:31 AM
 #1

With the X11/X13 algo, I noticed my R7 260X is stuck at 150Mhz memory clock speed without any monitors being plugged in. If I plug in 2 monitors to both ports then it runs perfectly.

It doesn't do this on Scrypt or Scrypt-N

When I unplug the monitors, it downclocks the memory clock. It does this in Windows and Linux


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June 26, 2014, 02:18:27 PM
 #2

With the X11/X13 algo, I noticed my R7 260X is stuck at 150Mhz memory clock speed without any monitors being plugged in. If I plug in 2 monitors to both ports then it runs perfectly.

It doesn't do this on Scrypt or Scrypt-N

When I unplug the monitors, it downclocks the memory clock. It does this in Windows and Linux



im not wuite sure why this is happening to you , but the easyest fix would be 2 "dummyplugs" to simulate connected monitors.
you can browse instructions easily here on forum.
i have some 270x, but dont have any problems what so ever, are you sure you are on latest catalyst ?

cheers
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June 27, 2014, 08:03:09 AM
 #3

With the X11/X13 algo, I noticed my R7 260X is stuck at 150Mhz memory clock speed without any monitors being plugged in. If I plug in 2 monitors to both ports then it runs perfectly.

It doesn't do this on Scrypt or Scrypt-N

When I unplug the monitors, it downclocks the memory clock. It does this in Windows and Linux



I suspect its the driver problem.

adaseb
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July 07, 2014, 12:15:59 AM
 #4

I upgraded the drivers and it fixed the problem in Windows actually but not linux

Any suggestions?


Works fine with Scrypy and N-Scrypt

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