What is the best way to overclock the ATI 5850?

can you upload the bios??? maybe hp downclocked or lower the voltage on their cards. or it could just be that the hp cards are not up the par as the dell cards are.

 

I think the biggest problem with the HP 5850 is it uses DDR3 not DDR5 like the Dell's. They probably have to downclock the card due to the memory bandwidth.

 

never knew that, guess you solved it.

 

wow, thx for the prompt reply!!))

I've attached the bios and made a copy of gpu-z



Just to make more clear, i downgrade of HP note bios, havent made any videocard bios changes yet.

Thank you for your time and help.

p.s. GDDR5) 0,9V..

 

Here's the "old" vbios (Broadway.bin) that you are currently using, with 0.9v for all clock info modes, so Inap is probably right that the voltage is too low to support the overclock for 3d clocks (Clock Info 00).

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It would be easy enough to change Clock Info 00 to 625/1000/1.0v and see if that works. This vbios uses Clock Info 07 for Boot settings, so do not modify those settings to avoid getting frozen out. However, I would be reluctant to use this vbios as your base where a new vbios has been issued. There are reasons for a new vbios that may not be limited to lower Vram clocks. If you would post a copy of the newer vbios, we could check for other changes. That's the one you'll want to use as a base if you decide to reflash the card.

 

Thank you, The Revelator!

I updated my bios, and yes, new version of vbios is included there. see attached file. Can I go with this ver of vbios to modify clock info 00 to 625/1000/1.0v..?

edited.
strange, no clock info 007 in the new vbios. I won't do anything without your comments))))

 

nvm, the rev explained it much much better, hehehe

 

The newer HP vbios uses Clock Info 00 for both boot clocks and high performance (3d) mode, which is the same as the Dell 5850 vbios. As you have seen, if we want to o/c the Dell 5850/5870, we just modify the clocks and voltage settings in Clock Info 00. We know from past experience that the Dell 5850 can accept up to 1.15v and with that voltage (or 1.05v or 1.10v) we can test for higher clock levels using driver level utilities like AMD GPU Clock Tool or Afterburner. If we go too high, it just crashes, and we can reboot into the original settings. The problem is we don't know what voltage the HP 5850 will accept, so blindly raising Clock Info 00 to 1.0v or more, which is necessary for higher clocks, carries with it the risk that you would be unable to boot. Unlikely probably, but there.

I couldn’t find anything in the HP forums where anyone has even tried increasing voltage. The few o/cer’s over there seem to consider 550/950 a heavy o/c for the 5850. Since you are on uncharted ground, the safest course would be to use the older vbios (that uses Clock Info 07 for the boot settings) and then modify the voltage to 1.0v in Clock Info 00 (3d mode under that scheme). Then, load GPU-Z and go to sensors tab so you can watch changes to clocks and voltage. Then load and run Furmark (just 800x600, Stability Test, no bells and whistles) to force the card into 3d clocks. You should see clocks go to 500/1000 (or whatever) and voltage to 1.0v. If it switches and runs, the card can handle the higher voltage; if instead it crashes, it won’t. If it works, then increase the voltage for Clock Info 00 (boot + 3d) in the newer vbios, reflash and use AMD Clock Tool to test clock increases and temps. I gather from the HP forums that heat is a real issue with the Envy and is probably the reason for the undervolting/underclockng used on the HP 5850.

If you have any questions or don’t understand what I tried to say, ask. You could go straight to modifying the new vbios, but this way is safer.

 

Thank you. ready to test!

Final questions - what is max acceptable temp of GPU not to kill it?)))

 

Strange!!!

first, i did everything as you said and written on this post http://forum.notebookreview.com/6482227-post1731.html

1)
This pic is what i have in gpu-z from the beginning and 300/400 w V wan't change in any way.. I even started the game, still the same clock..

2) amd gpu tool - I tried to modify clock, but "setclock faild".

Im going to back to stock vbios..any ideas?

ps just in case i attached my modified vbios..and yes, I can start windows with it..

 

You need to enable PowerPlay in CCC. The 300/400 clocks is what happens when PP is disabled. Without PP, the card can't shift between clocks based on different uses or states.

 

I flashed again. So i disabled PP, and after i can't enable it in CCC. What should i do? did i miss something in vbios?

 

Just check the box and for Plugged in, select Maximize Performance. The vbios looks OK. certainly nothing that should interfere with PP.

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strange %(

do the same, but when i push apply button - it doesn't become grey!
when i push ok - the windows closes, then open again and PP is disabled.
i can't launch it...

 

I don't know what the problem is, Dubiki. Maybe something unique to HP. Let me think about it. Perhaps some of our wiser members can help us out here.

 

Try this. Let's work with the "older" vbios (500/1000/0.9v in Clock Info 00) you started with. We know PowerPlay was working there. Change the Clock Info 00 settings to 500/900/1.0v and reflash. See if PP is enabled or can be enabled. If so, then do the GPU-Z/Furmark routine and see whether it switches to the 00 clocks/voltage. Let us know.

 

New tries!~)

1. I did as you wrote - same thing. PP isn't working
2. I decided to try something more. I took "new" vbios, and modify all Clock info to 1.0V - same!!! gpu-z shows me 300/400 0.9V !! %(

 

Bummer. HP must have a trap programmed into the vbios or system bios that simply rejects efforts to increase video card voltages and disables PP to prevent workarounds. Sorry, but I have no idea how to circumvent the restriction. Maybe someone in the HP forums has figured it out.

 

looking for a way to modify HP bios.... anyway, it would be nice to get dell vbios.. for my experimental. thank you in advance

 

Here's a copy of the stock M15x Dell 5850m A02 vbios (625/1000/1.0v) for your review. I would not even consider flashing this vbios to your HP 5850; it is highly likely to brick your card.

 

^^^ i second this, flashing it with dell bios may brick it. i know i tried to flash a dell bios on a clevo card and bricked it.

 

Hi,
I just flashed my card to 750/1050 1.1v and running prime 95 and furmark at the same time and it throttles heavily (I think even more heavily than 260M with old BIOS )and very quickly (right after starting). However, I flashed it back to 1.05v 750/1050 and it is very hard to get it throttling and almost no throttling when throttlestop is turned on. I am using 720QM so I am just wondering whether everyone get throttling at 1.1v with DELL 5850m

 

so what is throttling???? cpu or gpu or both??? do you have logs????

 

I did not use realtemp to log CPU. However, GPU-Z definitely shown 5850 throttling. I did not take the picture but I am sure the GPU throttled very heavily. The clock changed back to 300/400 and impossible to keep it at 750/1050 for a second. Inap, Is your 5850 thottling when running furmark and prime95 ? You flashed your card to 1.15v right ?

 

lat time i've check it didn't throttle. yeah i flash to 1.15 on many occasions. does it throttle in games????? if not then i would worry about it too much.

but did you update the vbios of the 5850 yet????

 

I believe it will thottle in GTA IV just like 260M if I keep it at 1.1V. But since 1.05v handles 750/1050 pretty well, I do not need 1.1V yet. Just to make sure everyone gets throttling otherwise something may be wrong with my M15x.

 

yeah at your current clocks 1.1v is not needed. also what were your temps when running prime/furmark. high temps can also trigger thermal throttling also.

 

I ran furmark and prime95 for 10 minutes at 1.05V and the max temp was 76* C. When I was at 1.1V, the temp did not even reach 60*C since it throttles up and down very fast. However, After one run of 3D Mark 11 at 1.1V, the max GPU temp was only 65*C. I dont think it s too hot that it will trigger throttling right ?

 

no that shouldn't trigger it at those temps. hmmm seem strange are you using the latest vbios for the 5850???? those are really awesome temps too.
were you using gpus-z to get all 3 temps zones. really wished you had a t-stop and gpu-z log, would make thing much easier to figure out.

 

You really shouldn't see throttling with a 5850M at 750/1050/1.10v.

 

Hi rev, my setting in furmark is different. I used 8x AA and full screen at 1600x900, which makes my GPU Load 99% instead of 73% like in your pic. Can you try that to see if it throttles. Thanks

 

If I run it full screen, I can't see or take a screenshot of GPU-Z or the other monitoring utilities while Furmark is running. I'll try 8x later, but I don't have time at the moment to reflash the card. FWIW, here's another shot from the old days with 99% GPU load.

 

I just flashed it to 1.1V to test it at 800x600 with no AA but It still throttles...Any ideas ?

 

wow that looks bad. did you use amd clock tools to set for voltage to run at 1.1v???

 

Try enabling PowerPlay in CCC and setting to Max Performance when plugged in. You're operating at about 50% power. No wonder it's throttling.

 

I just tried at 700/1000 1.1V and the result is quite weird. The clock stays constant but the GPU load is like throttling...

 

I did use CCC to set Max Performance

@inap: I flashed the bios to 1.1V

 

yeah but i think you still need to enable the 1.1v in amd tools, not really sure you need to but i've always done it that way.

 

You are right inap, if I use AMD tool to force the clock then there is no throttling but if not, it will throttle so I think AMD tool is just like the tweak with riva tuner so I lose the power play feature as well
Rev, did u use AMD tool to force the clock ?

 

No, after I flash the revised vbios with boot clocks at 750/1000/1.10v, it automatically switches to 1.10v when using 3d clocks and drops back to 0.9v at idle/2d clocks (100/150) or at video clocks (500/1000). If I further o/c with AMD Clock Tool, it usually (but not always) stays at the new o/c settings, regardless of what it's doing, i.e., it doesn't drop back to 100/150/0.9v at the desktop until I click Restore Default Clocks in AMD Tool. I used to have to increase the voltage to the highest level (1.1v) before o/c in AMD Tool, but lately, if I enter higher clocks (like 800/1075), VDDC in AMD Tool automatically jumps to the higher voltage. I don't know what changed, probably the driver, because it's the same version of AMD Clock Tool I've been using forever.

 

AMD tool did the same to me. If I set the clock high enough, it will automatically set it to highest voltage in the bios (here is 1.1V), but since it turns off power play, the card has no way to go down anymore so it must stay constant which seems to stop throttling. What I meant is if you dont use AMD tool and let power play handles everything then does it throttle for you ? If it does not then there must be something wrong with my laptop right ? What can it be ? Faulty 5850 maybe ?
Also, I tried 625/1000 at 1.1V and no throttling at all. At 700/1000 the situation is like one of my pics above: the clock stays constant but the GPU load is still going up and down and at 750/1050 its throttling constantly.

 

You keep getting these weird clocks in GPU-Z (300/400 and 405/1000). Those are available States under the A02 vbios, but should never be in play with the standard configuration when PowerPlay is enabled and set to Max Performance. Check again. PowerPlay should look like this:

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If your PP looks exactly like that, then your vbios may be corrupted. If so, I will send you a 750/1050/1.1v vbios that is working correctly. Let me know about your PP settings.

Edit: I do not get throttling when using PowerPlay, which I use nearly all of the time (in fact, virtually all of the time unless disabled when forcing clocks with AMD Clock Tool).

 

My CCC looks exactly like yours. I am using 10.11 driver. It would be helpful if you can send me your bios so I can give it a try. Thanks

 

Here you go. Hope it helps. UPShare.me

Rename to 750_1050.rom. Flash using: "atiflash -p 0 750_1050.rom"

 

For overclocking the GPU the way want anytime without going through the cumbersome task of a bios flash, you would need to follow the GPU overclocking guide I've written up. You can find the guide in the M17x-Wikia (see link in sig) and the key difference would be that you will need a 5850m rom in place of the 5870m rom that I used. Other than that, the instructions are identical and you will be able to use Rivatuner. Remember to change the registry entries for "EnableULPS" as well.

 

what is the "EnableULPS"? I just flash my 5850 to 5870 specs.

 

I used your bios but still throttling...Any ideas ?

 

try using a different driver, try thr dell drivers out and see if the problem still occurs.

 

There's something strange going on. I still don't throttle at 750/1050/1.10v, but my temps have suddenly jumped 10-15C, with the core up to 83C and VRAM topping out at 94C. I've never seen temps that high on this M15x. Using the 10.11/10.12Beta set. Rolled back to ATI 10.10 drivers. Same deal. Then flashed the card to 750/1000/1.0v to see whether I got the same behavior that Chituan has been seeing. Same deal, no throttling per se, but high temps, but this time when the VRAM hit about 85C, it triggered Stealth Mode, turned the WLAN card off and kicked down to 300/400 clocks! Same clocks as Chituan saw earlier. Checked CCC, and PowerPlay was still enabled and set to MaxPerf. If you stop Furmark, the clocks drop to 100/150, but if 3d clocks started, increases to 300/400. When Stealth Mode disabled, 3d clocks go back to 750/1050. Makes my head spin. Drivers don't seem to matter. The only major change lately has been installation of 3dMark11 and several re-installations of Futuremark SysInfo in connection with that. I don't understand all I know here. WTH is going on?





Edit: More or less back to normal, with the 5850 @ 750/1050/1.05v for the moment. Appears that my heat problem was caused by the bootleg pre-beta 10.12 driver set I was using, which somehow screwed up the GPU fan settings. After some registry cleaning, and a return to the mobility modded 10.10e Hotfix set, temps and performance are better, but still higher than I would prefer.

 

Fraps shows FPS count during gaming. On the other hand, what is the free software that displays GPU temperature during gaming? Thanks for the help.