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Topic: AMD update kills Hash rate - page 2. (Read 4551 times)

newbie
Activity: 32
Merit: 0
January 10, 2012, 05:37:32 PM
#5
Just ran the AMD update.  Have 3 5850's running clocked at 900/300 1088volts and have been getting 325Mh consistently.  Now....all 3 cards are running under 250Mh. 

WTF?

No need to roll back the whole driver. Run the uninstaller for Opencl only, then extract your old driver and install just the old file.

Only downside  (of it is one) is that further uninstalls and updates may fail to remove the old cl SDK unless you keep the original installation file.

Was 11.12 the introduction of 2.6? So, I would just need to extra the SDK from the 11.11 drivers?
legendary
Activity: 1134
Merit: 1005
January 10, 2012, 01:10:26 PM
#4
How do i check the SDK version?
I've uninstall the new OpenCL from the 11.12 driver pack.
Then, installed OpenCL from the 11.7 driver pack.
Hash rate is still low.
Then, I rolled back the driver to 11.7, still low hash rate.
full member
Activity: 140
Merit: 100
January 09, 2012, 03:47:40 PM
#3
Just ran the AMD update.  Have 3 5850's running clocked at 900/300 1088volts and have been getting 325Mh consistently.  Now....all 3 cards are running under 250Mh. 

WTF?

No need to roll back the whole driver. Run the uninstaller for Opencl only, then extract your old driver and install just the old file.

Only downside  (of it is one) is that further uninstalls and updates may fail to remove the old cl SDK unless you keep the original installation file.
legendary
Activity: 1344
Merit: 1004
January 06, 2012, 05:25:28 PM
#2
its called 2.6 sdk. roll back to 2.5 and you'll get your speeds back. search the forums on how.
newbie
Activity: 21
Merit: 0
January 06, 2012, 03:52:53 PM
#1
Just ran the AMD update.  Have 3 5850's running clocked at 900/300 1088volts and have been getting 325Mh consistently.  Now....all 3 cards are running under 250Mh. 

WTF?
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