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RBE - General information and discussion

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Explain. How far did you increase the limit? What was the effect?
 
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Explain. How far did you increase the limit? What was the effect?

AT 840/1200 all ok, but any higher and the CCC Overdrive stops working, and the overclock speeds have no affect and the card runs at the default speeds.
 
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Which max overdrive values did you use above 840/1200 ?
 

BAGZZlash

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For a 3870, there should be no problem using method one. It spends lots of overdrive headroom.
 
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Powercolor PCS bios - no powerplay option

Hi there,

It was recommended that i post my stock Powercolor PCS Extreme Bios for the powers that be to look at and maybe find a way to enable powerplay on this board in the next version of RBE

This card is a non reference 4870 which cannot be flashed with other bios's due to the hardware differences and does not allow powerplay to be enabled (greyed out)

I hope this bios helps in finding a solution
 

Attachments

  • Powercolor 4870 PCS Extreme.zip
    43.6 KB · Views: 294

BAGZZlash

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Hi there,

It was recommended that i post my stock Powercolor PCS Extreme Bios for the powers that be to look at and maybe find a way to enable powerplay on this board in the next version of RBE

This card is a non reference 4870 which cannot be flashed with other bios's due to the hardware differences and does not allow powerplay to be enabled (greyed out)

I hope this bios helps in finding a solution

Good news: This BIOS' powerplay functionality will be supported in the next release of RBE. Until then, use the one attached. It's just the BIOS you attached with enabled powerplay, so I just did what the next RBE version will be capable of. Please keep me updated if it worked. :)

View attachment Powercolor 4870 PCS Extreme - Powerplay.zip
 

fulch

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Good news: This BIOS' powerplay functionality will be supported in the next release of RBE. Until then, use the one attached. It's just the BIOS you attached with enabled powerplay, so I just did what the next RBE version will be capable of. Please keep me updated if it worked. :)
Happy to report back that your mod's on this bios work fine on my Powercolor PCS Extreme.

Ati tray tools now allows 1.083 as the lowest voltage and GPU-Z reports VDDC Current of 5.4A instead of the previous 9.0A with core @ 550 and memory @ 225.

I'm sorry but I don't have any other tools to measure wattage or current drawn but hopefully the above results do prove that powerplay is now functional on this board.

Many thanks to you BAGZZlash for all your excellent work !!!
 

AsRock

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:):)
I think he understood well because he declares to be located in Germany.
However, you did translate this into english using an automatic translation, didn't you? :eek:

Yeah lol :p..
 
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Need some help understanding how to edit the BIOS right

I have an HD 4850, the BIOS file to it, and Radeon BIOS Editor installed. What I would like to do is increase fan speed, and also raise voltage to try to get better overclocking. Um, I've tried RBE and don't know what to do to edit these thing into the BIOS file. How do I do it?
 

BAGZZlash

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I have an HD 4850, the BIOS file to it, and Radeon BIOS Editor installed. What I would like to do is increase fan speed, and also raise voltage to try to get better overclocking. Um, I've tried RBE and don't know what to do to edit these thing into the BIOS file. How do I do it?

Please read the tutorial, it should answer all of your questions.
 
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see the tpu fourms go to graphic card's and go to the ati , im read too much thread's about this
 
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Good news: This BIOS' powerplay functionality will be supported in the next release of RBE. Until then, use the one attached. It's just the BIOS you attached with enabled powerplay, so I just did what the next RBE version will be capable of. Please keep me updated if it worked. :)

View attachment 18071

Thanks BAGZZlash

The new bios is working great

Looking forward to the next version of RBE!
 

EastCoasthandle

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Is there a way to increase the clock rate for the Stream Processors?

The new 4870 1Gig cards are coming in at:
-GPU 800MHz
-Mem 3600
-SP 800MHz

The current 4870 512M cards come in at:
-GPU 750MHz
-Mem 3600
-SP 750MHz

Is there a way that RBE can gain access to the SP to increase the clock rate?
 

alexp999

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afaik only nvidia cards can have independant clock rates for SP's.
Doesnt the clock rate for SP's increase with core clock rate anyway?
 

EastCoasthandle

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Hmm, that's something I would like to know. Is the clock rate for the SPs on 4800 series card dynamic?
 

jimmyz

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nafets

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If you want to increase the SP's speed, just OC the Gpu Core. Simple...
 

EastCoasthandle

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So the SP is dynamic then, thanks. But there is no way to increase SP clock rate higher then core clock rate.
 

Sonido

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For ATI cards, the SP's are locked in with the core speed, as the gentleman before you stated. nVidia, on the other hand, are capable to changing those speeds individually. Why do you think there are so many different versions of the same card. They edit a few settings here and there and call it a new release, which is smart actually. For the current 4870 512 MB editions, OC the card to 800/900 to get the same "performance". I use performance like that because of the frame buffer.
 

Arska

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I've never done a video card bios flash before (mobo bios flashing is familiar to me) so I have some questions.

Is it a problem if I set boot-up clocks to lower values than ccc limit? I don't have ccc installed. Normally I use 300/250 (core/mem) with ATT for desktop. I wouldn't need to go that low for boot-up, but maybe something like 400/400? I'm not happy with my 4870 running at 80 C before ATT takes over at the end of boot-up.

Is it a problem to set spin up cycle to 30-40? I assume this helps with the occasional high speed spinning. And if I use the fan spin up fix, is there any point to changing spin up cycle?

The card is a fully standard MSI 4870 (yet).
 

BAGZZlash

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Is it a problem if I set boot-up clocks to lower values than ccc limit?
No, should be no problem.

Normally I use 300/250 (core/mem) with ATT for desktop. I wouldn't need to go that low for boot-up, but maybe something like 400/400?
If 300/250 is stable for you for desktop, it should be stable for boot up as well.

I'm not happy with my 4870 running at 80 C before ATT takes over at the end of boot-up.
That is no problem at all. The 4870 can take even much higher temperatures. Anyway: Setting low clocks during boot up should be no problem. :)

Is it a problem to set spin up cycle to 30-40?
Yes as the maximum value the controller (and thus RBE) allows is 7.

I assume this helps with the occasional high speed spinning.
No. There's a dedicated spin up fix option in RBE.

And if I use the fan spin up fix, is there any point to changing spin up cycle?
No.
 

Arska

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Thanks for the answers.

Arska said:
Is it a problem to set spin up cycle to 30-40?

Yes as the maximum value the controller (and thus RBE) allows is 7.

There's a setting in RBE, Spin up cycle (%). It's 84 in my default bios. Did you perhaps mean some other setting?
 

BAGZZlash

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Thanks for the answers.



There's a setting in RBE, Spin up cycle (%). It's 84 in my default bios. Did you perhaps mean some other setting?

I see. I was referring to "Spin up time". Sorry, my bad.
In that case, you can change the setting to some other value. This might make the spin up bug vanish, but maybe not. It should be safer to use the spin up bug fix for this.
 

Arska

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Yes, you're right. I guess with the fan fix the cycle % would only matter during boot (and maybe a driver reload).
 
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