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5870 going insane. And taking me with it!

Your Pc fails with the new GFX card because all of a sudden it's fitment has increased Loads on the PSU , Loads on the Cpu and motherboard and thermal loads on everything.

More so than the exact same card that was fitted before hand?

Lot's of people fall into the same trap...It was fine before, card is "bricked" RMA
In Your case the chances of all 3 cards being "bricked" is next to impossible !

next to, but not impossible. Hence why I came to the forums looking for some suggestions as to how to single out a decent testing method that would actually pinpoint whether the GFX is definitely duff or not. Baring in mind that I bought the original card Xmas 2009, and that the replacement was issued in April, and thus there being a fair amount of time between cards. (The first being considerably different to the others)

What we know thus far is it's the motherboard/settings or PSU not coping with full load, we have to assume the GFX card is OK

Right, so why? I'm not trying to argue, its just that so far all you've done is said "Do this.... Do that...." and I've no real idea as to what for.
 
More so than the exact same card that was fitted before hand?

Wow, Now that's the bombshell, Why did You not mention it ?
I like most assumed it was a new card replaced twice !


next to, but not impossible. Hence why I came to the forums looking for some suggestions as to how to single out a decent testing method that would actually pinpoint whether the GFX is definitely duff or not. Baring in mind that I bought the original card Xmas 2009, and that the replacement was issued in April, and thus there being a fair amount of time between cards. (The first being considerably different to the others)

Totally fair point. Had You shared all the information in the first place !


Right, so why? I'm not trying to argue, its just that so far all you've done is said "Do this.... Do that...." and I've no real idea as to what for.

I basically don't know weather to laugh or cry :D ...Why were You doing 10 passes of memtest, Why did Overclockers tell you to do so ? If all you had changed was to a replacement Identical card which was fine with the system.

Here's the rub, I'm now speculating that something changed in the PC "miraculously, or otherwise) that started the chain, and a good chance the original GFX card was fine.. but that's history.

Regarding the "do this, do that" I would not have approached the fault finding any differently with more information on the problems history and I'm sure I always tell people why i would try testing this or that....normally ;)

When you have Your own business You kinda learn to read between the lines with customers problems :)

Anyway is it all ok now ?
 
JAKUS seriously dude, everyone appreciates your help, but the guy obviously needs help and not you to call him a kid, if you cant handle his questions, would you kindly stfu.

Firenze, good luck. Feel sorry you got this issue.

:D I just read back a couple of My short reply posts... Your right they can be taken the wrong way :D
 
I basically don't know weather to laugh or cry :D ...Why were You doing 10 passes of memtest, Why did Overclockers tell you to do so ? If all you had changed was to a replacement Identical card which was fine with the system.

Here's the rub, I'm now speculating that something changed in the PC "miraculously, or otherwise) that started the chain, and a good chance the original GFX card was fine.. but that's history.

Regarding the "do this, do that" I would not have approached the fault finding any differently with more information on the problems history and I'm sure I always tell people why i would try testing this or that....normally ;)

When you have Your own business You kinda learn to read between the lines with customers problems :)

Anyway is it all ok now ?

Not really. Battlefield no longer crashes to desktop like it did, but there is still flashes of artifacting on the screen as it changes map. I'm worried that there is something still wrong somewhere in the system and that it is going to get worse, or even take other components with it if it does...

Any suggestions?
 
Not really. Battlefield no longer crashes to desktop like it did, but there is still flashes of artifacting on the screen as it changes map. I'm worried that there is something still wrong somewhere in the system and that it is going to get worse, or even take other components with it if it does...

Any suggestions?

Yeah load's, I'm the grumpy expert remember:D

I don't have that game, but have had plenty of ATI Cards and some of the newer ones "flicker the screen" as "Powerplay" ramps up the memory clocks.

Unlock overclocking in CCC and crank up the core and memory 50/50 if the card won't do it try less, if it won't go at least 20mhz on the core it needs more voltage, worry about that later.

The only things likely to damage the PC are Heat and a faulty power supply.

By the way are we still friends :)
 
cranked up the core and memory by 50/50 seemed alright, then bugged a little as usual when changing maps, then corrupted textures in the next map, and caused the computer to crash when I tried to exit the game..
 
cranked up the core and memory by 50/50 seemed alright, then bugged a little as usual when changing maps, then corrupted textures in the next map, and caused the computer to crash when I tried to exit the game..

Sounds a little dodgy, try underclock 50mhz on core in overdrive, and or You could try the stability test if You really want.

Someone did say the XFX cards had a dodgy bios
 
nothing, just frustrated.

Just literally tried a game of battlefield with some friends, all on stock settings etc, and the hung completely on the map change, no flicker of artifacting or anything, just screen froze, audio on a horrible noise and system became completely unresponsive.

So although I thought it was at least better after sorting the CPU volts a bit, it appears its not.
 
I've had the exact same thing with a XFX card that I recently had back after an RMA, it wont run at stock clocks, all my research has suggested that it needs more volts, prolly a bad batch of cards. I'm quite fed up of of the 5870 too, had problems with XFX, never going to buy that brand again

Currently the only way I can keep the GPU stable is to underclock to 825mhz on the core...I should just RMA it again, as it wont run at its default clock and advertised speed

If the core voltage is "stock ati specs" Yes, if it's lower, find another bios and flash or edit the bios. If Your not happy with later get Your money back.
 
nothing, just frustrated.

Just literally tried a game of battlefield with some friends, all on stock settings etc, and the hung completely on the map change, no flicker of artifacting or anything, just screen froze, audio on a horrible noise and system became completely unresponsive.

So although I thought it was at least better after sorting the CPU volts a bit, it appears its not.

TBH, I am more confused than You, Faults are never to be considered found/fixed if you can't replicate them.
how long were You running that CPU at 1.5volts ?

You need to find the loaded stability margins of Cpu and GFX card and run below them.
Sounds like the CPU failed locking video and audio to me.
 
I'll be honest, I've no idea how long the CPU has been running at 1.5v, I've never had any issues, and haven't played with it really, the CPU was a prize at i32, and I built the rest of the PC to hold it.

Got to visit Sheffield on Wednesday for a job interview, so I'll try and see a friend and try it in their PC and see if it works... If it does, its upgrade time, if not, its RMA time.
 
I'll be honest, I've no idea how long the CPU has been running at 1.5v, I've never had any issues, and haven't played with it really, the CPU was a prize at i32, and I built the rest of the PC to hold it.

Got to visit Sheffield on Wednesday for a job interview, so I'll try and see a friend and try it in their PC and see if it works... If it does, its upgrade time, if not, its RMA time.

Well, You gave it a shot, more than many do I suppose, sorry We didn't fix it!
 
I've run every benchmarking program on Guru3d today, and not one of them seems to have had a problem, loaded up battlefield, completed a round, got to the map change and it broke on me again. There's obviously something wrong somewhere, will have to try the card in another PC to make sure, but I am quite confident the problem is elsewhere..
 
@Jakus - you may want to evaluate your inter-personal skills a bit ;)

@Firenze, from all the to'ing and fro'ing I could make out on here, your CPU voltage seemed higher than normal, and when underclocked your system was fine and played the games fine, just the odd bit of artifacting on-screen?

You've sailed through memtests and those have turned out fine from what I read above, so check that off the list. If you can, any chance you could check the voltage running through your 5870, and the corresponding core and memory clocks. Personally, I think as mentioned somewhere in the mess above, you may have a little bit of a "naff" card that might need either a) more volts pumped through or b) underclocking a little bit, more-so on the memory rather than the core.

Let us know how you get on.

And JAKUS is like tequila, take it with a pinch of salt ;)
 
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