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PSU playing up?



Okay geeks, I need a bit of advice. Some of you might recall I've been having issues with my new soundcard. More specifically just the headphone output on the front box. Well, I've managed to completey cure this by giving the box a better supply of power (not sharing with my DVD drive) and the crackling headphone problem has virtually vanished. Still very slight but vastly improved, and it only seems to do it when the machine is under heavy load.

Iv'e also jst been playing HL2 Episode 1, and the game crashed. Restarted the game and Windows crashed. This was during a pretty heavy action scene that would have been working the 7950GX2 pretty fookin' hard. So I reduced my board overclock slightly and then the game managed to get through the tough bit.

Now, this points to a power problem. Do you all agree? It's a 520w Gloabalwin ATX (not ATX2) and it's powering one optical, one SATA HDD, 7950GX2, X-Fi and the odd case fan. I'm thinking this slight showing of instablity is most likely my PSU. It should easily power that lot I would have thought, but I'm unsure of the ATX2 implications and perhaps it's jusst on it's way out anyway.
 
  Monaro VXR
Good possibility to be honest i probably would have gone with a 600w+ psu with that hardware likely to need the extra juice with that card. Remember seeing a review somewhere when i was researching what to buy showing the 7800gtx's could use over 250w on there own you have 2 in there.
 
wozzaa said:
Good possibility to be honest i probably would have gone with a 600w+ psu with that hardware likely to need the extra juice with that card. Remember seeing a review somewhere when i was researching what to buy showing the 7800gtx's could use over 250w on there own you have 2 in there.

Yeah, I already had this PSU from the last build though mate, so buying a new one is no biggie. BTW according to the BIOS the 12v is 11.9v and the 5v is 4.9v - I would have thought they should be slighty over, not under?
 
  Polo + Micra
this then?

i got a 420w one in mine but it's only running 6 HDD's and two opticals and about 7 case fans but been rock solid and a nice 3 year warranty
 
Dink said:
this then?

i got a 420w one in mine but it's only running 6 HDD's and two opticals and about 7 case fans but been rock solid and a nice 3 year warranty

Hmmm pretty sweet. Cheers. I'll check out some reviews. 700w should be more than enough. And if I still get any stability issues then this fookin' X-Fi is going back
 
  Focus ST-2
lol roy you really should have touched wood eh! 700 watt should be more than enough power like mate. the computer is now running fine with the 650 watt psu. scoring 7990 on 3d mark 2006 and 29,500 on 2003. think there pretty good scores like.
 
Aberclio182 said:
lol roy you really should have touched wood eh! 700 watt should be more than enough power like mate. the computer is now running fine with the 650 watt psu. scoring 7990 on 3d mark 2006 and 29,500 on 2003. think there pretty good scores like.


7990 is a good score but not as good as mine ;)
 
  Focus ST-2
Roy Munson said:
7990 is a good score but not as good as mine ;)

lol i might try and tweak the settings, see if i can get past the 8,000 like yours.

it was the cpu tests that were piss, very slow. where yours?

running a 4600+ am2
 
You'll easily crack 8k mate. The 7950 is CPU bound on my setup (same CPU as yours), open up the CPU a bit and you will see big gains in '06

Remember it's all about the games though. You don't need to get any more power out of that rig for any current game, so I wouldnt bother stressing anything too far. I'm happy at 8140 knowing there is a lot of room for improvement when the need arises :eek:
 
I thought FEAR had a wide aspect mode? You can force whatever res you like in the config file although without a wide aspect mode it would get stretched
 
Just been speaking to Rasclart about this very subject on MSN. When you edit the config file to reflect the resolution you want to run at, F.E.A.R. automatically adjusts the aspect ratio. So you can play it in true widescreen glory. Sorted :)
 
Well it seems all my X-Fi sound issues were definitely due to unstable power. The new PSU is in, and the machine is rock solid. Overclocked to 2.6Ghz, a nice 8130 in '06, and more importantly, no crackling headphones when gaming :approve:

Might start OCing the 7950 just for kicks ;)
 


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