• Competitor rules

    Please remember that any mention of competitors, hinting at competitors or offering to provide details of competitors will result in an account suspension. The full rules can be found under the 'Terms and Rules' link in the bottom right corner of your screen. Just don't mention competitors in any way, shape or form and you'll be OK.

Help with 4850 woes...

Levirginien

Levirginien

Levirginien

Associate
Joined
27 Jun 2008
Posts
335
I recently tried an upgrade from my 7900GS to one of the new ATI breeds...
The 4870 was awfully noisy and now the 4850, even at stock speed with fan at 75% with the latest catalyst driver(8.10) causes multiple reboots and most the time,boots with a blank screen. After 3days search on the forum, 4 fresh re-installs of windows I am still back to square one...:(
with my old 7900 GS the system was stable with a 3.6 overclock. but with the 4850 (HIS IceQ4 Turbo 512mb) no overclock is possible and overall system is noticeably slower...Is there a bottleneck somewhere? (system spec in my sig.)
Your help will be much appreciated..
 
Levirginien said:
I recently tried an upgrade from my 7900GS to one of the new ATI breeds...
The 4870 was awfully noisy and now the 4850, even at stock speed with fan at 75% with the latest catalyst driver(8.10) causes multiple reboots and most the time,boots with a blank screen. After 3days search on the forum, 4 fresh re-installs of windows I am still back to square one...:(
with my old 7900 GS the system was stable with a 3.6 overclock. but with the 4850 (HIS IceQ4 Turbo 512mb) no overclock is possible and overall system is noticeably slower...Is there a bottleneck somewhere? (system spec in my sig.)
Your help will be much appreciated..
Click to expand...

Very good chance it's Your PSU and or rest of the System, reliable Overclocks when the system is not pushed seem to catch lots of people out when they fit a more powerful GFX card and it all falls over ! If Your system is solid and the card fails , with ATI it will go the the GFX recovery screen, Black and Blue screens are usually something else.
 
Big.Wayne said:
Theres a very good chance it could be a substandard PSU

@Levirginien: How old is the Jeantech?
Click to expand...

the PSU is roughly a year old now:(

tbh, my gut instinct is leading me in this direction even though it seems to be working flawlessly...The digital watt meter indicates that is drawing between 106 and 128 watts in idle or low level tasks and around 285 at peak...
In any case, Overclockers have agreed in principle to refund the 4850 so that I can go along with the GTX260. If that change does not improve things I think I would have no other choice than ordering a more efficient PSU, (maybe a 850 watt corsair, be quiet or any well known brand)
 
Last edited:
Levirginien said:
the PSU is roughly a year old now:(

tbh, my gut instinct is leading me in this direction even though it seems to be working flawlessly...The digital watt meter indicates that is drawing between 106 and 128 watts in idle or low level tasks and around 285 at peak...
In any case, Overclockers have agreed in principle to refund the 4850 so that I can go along with the GTX260. If that change does not improve things I think I would have no other choice than ordering a more efficient PSU, (maybe a 850 watt corsair, be quiet or any well known brand)
Click to expand...
That change may not help at all as the GTX260 probably draws more power than the 4850 as it has a lot more onboard ram!! You could try this:

1: Turning your pc off and unplug the main lead.
2: Unplugging your dvd drive.
3: Unplug any hardware like case fans, usb devices & extra hard drives so that you are left with just the basics. Even remove 2GB Ram as 4GB uses more power.

Then leave the case side off power your pc back on and see if it improves or not.

What you are doing with this is giving your gfx card more power to draw and eliminate if its a card issue or PSU not being strong enough.
 
AWPC said:
That change may not help at all as the GTX260 probably draws more power than the 4850 as it has a lot more onboard ram!! You could try this:

1: Turning your pc off and unplug the main lead.
2: Unplugging your dvd drive.
3: Unplug any hardware like case fans, usb devices & extra hard drives so that you are left with just the basics. Even remove 2GB Ram as 4GB uses more power.

Then leave the case side off power your pc back on and see if it improves or not.

What you are doing with this is giving your gfx card more power to draw and eliminate if its a card issue or PSU not being strong enough.
Click to expand...

Thanks for this suggestion. I'll now wait for the weekend to start fiddling around again...In the meantime however, I am about to order an Enermax Infiniti 720W EIN720AWT ATX2.2 Modular SLI Compliant PSU just to cover my back:D
 
I have a PowerColor 4850 PCS+ running on a Seasonic 430w PSU no problem. Along with E6750, 2GB Corsair, 1 DVD drive, 1 80gb OS drive, 2x250gb Seagates in raid 1, a Pci>Firewire card, Focusrite external firewire soundcard and 3x 120mm case fans.

Not had a single crash or anything since i installed it, have played Fallout 3, Far Cry 2, Company of Heroes etc.. for hours on end with no trouble. PSU fan is still spinning on lowest setting and puts out very little heat at all.

I'm not saying your problem is not PSU related since i have no idea what the Jeantech's are like, but from my experience the 4850 is not a power hungry card at all.
 
Last edited:
You must log in or register to reply here.
Back
Top Bottom