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Other => CPU/GPU Bitcoin mining hardware => Topic started by: kamizie on January 19, 2013, 04:16:36 AM



Title: [Guide] How to underclocking memory by using MSI AB automatically at startup.
Post by: kamizie on January 19, 2013, 04:16:36 AM
[Guide] How to underclocking memory by using MSI AB automatically at startup (Windows only).

Hello every bitcoin's member,
Today I will introduce a method to underclocking memory automatically at boot using the MSI AB. If, as this article before, I apologize for writing again because I have not found anything like it.

My testing conditions:
-4 VGA: 2x Saphhire HD 6950, 2x Gigabyte HD 7950
-Windows 7
-AMD VGA driver 12.6+
-MSI After Burner 2.2.1


Let starting:
1. Install MSI After Burner.
2. Edit the afterburner config text according to this thread (http://"http://forums.guru3d.com/showthread.php?t=338906") and set unofficial overclocking mode to 2.
3. Run MSI AB for the first time. choose "yes" and restart MSI AB, then close it.
4. Go to "C:\Program Files\MSI Afterburner\Profiles", you will see new config VGA files (except MSIAfterburner.cfg) , open each file and start editing with notepad with content.

Code:
[Defaults]
Format=2
MemClk=249000

If it have any thing like: [startup] module, [Defaults] module, [profiles] module before, just erase all then save it.

5. Start MSI AB after edit all config files.
You can edit voltage, mem clock, gpu clock as you want. Apply it and check "apply at startup".
You have rig with auto overclock GPU and underclock memory right now.

//if you have installed MSI AB before and replaced the cards. Just remove all config files in "C:\Program Files\MSI Afterburner\Profiles" and start from step 3.

This is my first post, if any mistakes or do not understand please comment. Sorry for my bad English.


Title: Re: [Guide] How to underclocking memory by using MSI AB automatically at startup.
Post by: witherworth on January 19, 2013, 07:04:24 PM
This should be pretty common knowledge for anyone on windows, but it should be noted that the men clock is still important to some degree. With my 5850s, if I set men to below 500, I started losing MH/s. I've seen people clock it pretty low, which is fine, but just be aware that it's possible to lose some efficiency if not careful.


Title: Re: [Guide] How to underclocking memory by using MSI AB automatically at startup.
Post by: ssateneth on January 20, 2013, 01:25:06 AM
This should be pretty common knowledge for anyone on windows, but it should be noted that the men clock is still important to some degree. With my 5850s, if I set men to below 500, I started losing MH/s. I've seen people clock it pretty low, which is fine, but just be aware that it's possible to lose some efficiency if not careful.

You must be running bad SDK (2.6 or higher). My memory speeds vary and is usually about (core speed * 0.22)-10 for my 5850 and (core speed * 0.1985)+1 for my 5870 and 5970. Works great, get 347.7 mhash from a 5970 core @ 750 MHz, 481 mhash from a 5870 core @ 1035 mhz, and 328 mhash from a 5850 core @ 785 MHz