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Author Topic: Having issues with my Radeon 5850  (Read 902 times)
declensions
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July 20, 2012, 05:31:53 PM
 #1

Hey guys, I'm totally new to this.

I'm wanted to try this for fun and installed GUI miner. However, I found that my radeon 5850 only produces 150 mhash/s or less. Any idea how to fix this?
Any useful guides for a first-timer?

Running ati sdk stream v2.7
catalyst vers 12.6

computer specs:

i2600k
16gb ram
win 7 64 bit
ati radeon 5850
650w xfx psu

C2.1: CfAMDL4FJomN8bLpsPKZz3mBtdQVg7Sgbp
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July 20, 2012, 07:01:10 PM
 #2

Have you added "-v -w128" to the flags?
are you using OpenCL miner?
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July 20, 2012, 11:49:36 PM
 #3

It sounds like you haven't added the flags as Rlx160 pointed out.  You can also use the "-f#" (ex: -f1) to indicate how much GPU power will be used.  The default is 30.
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July 21, 2012, 12:54:18 AM
 #4

Install SDK 2.1   Smiley

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July 21, 2012, 01:13:37 AM
 #5

sweet, 280 mhash now. xD yea adding the flag worked. thanks!

btw, removing the flag doesn't do anything after adding it, how does this work? Do I have to press enter everytime i type something in the gui?


is radeon 5830/5850 still the best bang for the buck?  

C2.1: CfAMDL4FJomN8bLpsPKZz3mBtdQVg7Sgbp
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July 21, 2012, 01:22:38 AM
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You can reach close to 390Mhash/s with that card...

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July 21, 2012, 03:01:58 AM
 #7

so, what else do i have to change? it's running stock.

C2.1: CfAMDL4FJomN8bLpsPKZz3mBtdQVg7Sgbp
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July 21, 2012, 02:20:34 PM
 #8

Quote
btw, removing the flag doesn't do anything after adding it, how does this work? Do I have to press enter everytime i type something in the gui?
You have to stop the miner and start it again if you type a new flag.

Quote
so, what else do i have to change? it's running stock.
Downclock the GPU memory to 300 or less

Quote
is radeon 5830/5850 still the best bang for the buck?  
Popular mining cards :
https://en.bitcoin.it/wiki/Mining_hardware_comparison#Popular_Mining_Cards

Look at MH/$ and MH/J. The higher, the better.

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LTC : LgmYvXsYXc4xdjsMKXJWqtagxVvioK6iaw
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July 21, 2012, 02:50:51 PM
 #9

Also you may want to OC and OV to obtain that hashrate, I'm currently running at 935MHz core and 305MHz memory, 1.175Vcore, temps 70ºC. Sapphire Extreme HD5850.

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