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Author Topic: Unable to get multi-card setup working : 7870 + 5830  (Read 919 times)
elite.mafia (OP)
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December 15, 2013, 09:36:24 AM
 #1

Can't seem to get my new rig working.. I am running a 5830 in one slot and a 7870 in the other slot. The 5830 is the primary card and si mining as expected. The 7870 is showing up but I keep seeing this error:
https://i.imgur.com/IAGbcPP.png

I can't figure this out. This is the .BAT file I am using...

Code:
setx GPU_MAX_ALLOC_PERCENT 100
setx GPU_USE_SYNC_OBJECTS 1
C:\cgminer\cgminer.exe --scrypt -o stratum+tcp://coinotron.com:3334 -u elitemafia.mafia -p password -I 19 --device 0 --gpu-engine 1050 --gpu-memclock 1200 -g 2 --gpu-fan 100 -w 256 --thread-concurrency 15360

and the bat for the 5830 is like this:

Code:
C:\cgminer\cgminer.exe --scrypt -o stratum+tcp://world.wemineltc.com:3335 -u dyingdreams.5830 -p 1 -I 18 --device 1 --shaders 1120 --thread-concurrency 5600 --gpu-engine 925 --gpu-memclock 1000 -g 1


Any ideas? Note that I am hosting hte 5830 for a buddy and that's why the pools are different..

This is a fresh install of win7 64 bit. I have installed the AMD catalyst 13.11 beta v8 drivers, amd APP-SDK 2.9 and cgminer 3.7.2 - nothing else.

Could this be related to only installed 2 gigs of ram>??
vm1990
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December 15, 2013, 06:44:49 PM
 #2

its because there 2 different generations of cards. the odds are they will never work together.
its why you never see mix and match mining rigs there impossibly hard to get to work together and even harder to get it stable.

dyingdreams
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December 15, 2013, 07:23:55 PM
 #3

I was just running the same 5830 in a box with a 7850 and they both ran fine.

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