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Old 09-02-04, 11:44 PM   #193
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Default Re: GeForce 6800 power supply questions

I had a Antec 430w Truepower and it says it has 26amps on the 12v line,but I kept getting reboots and the game would lock up,But when I got a 470w OCZ PowerStream everthing works great.I would have got the 520w OCZ but they were out of stock and the 470w has the same amps on the 12v line as the 520w does,so I figured since my main concern was the 12v line I would be OK,and so far so good.
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Old 09-03-04, 10:47 AM   #194
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Default Re: GeForce 6800 power supply questions

Quote:
Originally Posted by john19055
I had a Antec 430w Truepower and it says it has 26amps on the 12v line,but I kept getting reboots and the game would lock up,But when I got a 470w OCZ PowerStream everthing works great.I would have got the 520w OCZ but they were out of stock and the 470w has the same amps on the 12v line as the 520w does,so I figured since my main concern was the 12v line I would be OK,and so far so good.

My 520W OCZ power supply is coming in today. The difference in price between the 470 and the 520 was, I think, about $15, so I thought what the heck?

I have not heard about the OCZ power supplies at all.

But, here is my experience about searching for a new power supply. I looked high and low and I settled on this:
Power supply #1
Power supply #2

Don't get me wrong, it was my mistake thinking the PS1 was a 'true' 550 but it was not even rebranded and I can get it overnighted (PS2) to me from Newegg.com for $36 less than it cost to but PS1??! Ack.
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Old 09-03-04, 12:05 PM   #195
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Default Re: GeForce 6800 power supply questions

If you ordered a OCZ 520 powerstream, it is by far a better PSU then either of the 2 links you listed. Within this topic thread, I have listed many of the features of the OCZ line of PSU's and greatly recommend them over everything else including PCp&c psu's. The price is alot better and the quality is just as good as PCp&c's OCZ's are very similiar to Tagan's internally.

Newegg has OCZ's in stock: the 520 lists at $125.

Yes there are PSU's less expensive then OCZ in the same wattage range. However, OCZ's rated wattage is for underload at 40C and not what 99% of all other makers list their ratings at using only 25C degrees. I checked around quite alot before buying my OCZ and the reason I went with OCZ was:
1)OCZ has dedicated sata power lines...most PSU's do not have this..but instead include an adapter off a regualr molex line.
2)OCZ has TWO seperate dedicated vga lines No other psu maker offers this. There are like only 2 psu makers that also offer anything like this and those that do will say vga line, but all it that is, is another molex line with a split molex connector that has sleaving. OCZ's vga lines are shielded with rfi filters. No other PSU maker offeres this.
3)OCZ has Adjustable rail voltages from OUTSIDE the unit. The few other adjustable psu's , you have to take the cover of the PSU off to do it meaning you cant adjsut anything will the PSU is in use. The OCZ you can and has led lights to monitor them.
4)BTX compliant for future use. Includes an ATX adapter for today's mobo's.

If im not mistaken, the OCZ's also have a pci-express power connector as well.
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Old 09-06-04, 09:18 AM   #196
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Default Re: GeForce 6800 power supply questions

Has anyone tried installing a second ps? I have a big antec case w/ antec TP 480w powering 4 optical and two sata drives as well as everything else. I have a 6800 Ultra on order and will have hard time coming up with 2 dedicated feeds. I also have a new antec 300 p/s that I'm thinking about modding the case and installing it sideways in the lower front so the exhaust fan, power cord and on/off switch exit the right side, outside the case. I can mount my radiator right on top of it and use it to power all my fans and drives . Comments?
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Old 09-06-04, 03:18 PM   #197
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Default Re: GeForce 6800 power supply questions

any1 have this PSU? ModRight X-Connect 500W Ultra Modular Titanium ATX Power Supply with UV Cable Kit or know that will work with a 6800gt?

+3.3V 28A
+5V 30A
+12V 34A
-12V 0.8A
-5V 0.8A
+5VSB 2A
+3.3V, +5V 160W Max
Total Output 500W Ma

http://www.frozencpu.com/cgi-bin/frozencpu/psu-94.html
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Old 09-06-04, 04:25 PM   #198
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Default Re: GeForce 6800 power supply questions

Quote:
Originally Posted by self0
any1 have this PSU? ModRight X-Connect 500W Ultra Modular Titanium ATX Power Supply with UV Cable Kit or know that will work with a 6800gt?

+3.3V 28A
+5V 30A
+12V 34A
-12V 0.8A
-5V 0.8A
+5VSB 2A
+3.3V, +5V 160W Max
Total Output 500W Ma

http://www.frozencpu.com/cgi-bin/frozencpu/psu-94.html
Of course it will work 34a on the +12 rail is more then adequate. The thing that concerns me is that it COMES with only 2 molex lines. If you want more, you have to purchase more and those are made by OCZ technology.
So by comparison, if you pay $99 for that PSU and need to add more power lines such as a vga line to the GT, that costs an additional $15.http://www.frozencpu.com/cgi-bin/frozencpu/cab-38.html So now your at $114. Well simply stated, it doesnt compare to the OCZ 520 powerstream for $125(newegg) which HAS same amount of molex lines, EXCEPT it already has TWO vga lines(seperate) as well as seperate power line for SATA. Dont get me wrong, that PSU you linked to is a nice looking one and I considered it. But the OCZ is far better. yes its cool that you only plug in the connections you want, but your losing some power efficiency by having the power leads go through a set of connectors(back of PSU) and then further loss on the connectors that come out from the back of the PSU to your parts in the case. If you dun have much in your case, yes that PSU is decent. But you will be forever bound by having to buy cables to add conenct into the back of that PSU if you need to add more stuff in your case later down the road.

OCZ 520 powerstream
http://www.newegg.com/app/ViewProduc...104-152&depa=0
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SPECS:
Alienware
3.4 p4 /200FSB NO overclock
OCZ pc3500 performance 2 gig memory
OCZ 520 watt PSU
Asus p4c800deluxe-e motherboard
2 x 80g Sata HD's / 1 x 60g IDE / 1 x 40 g IDE
1 x DVD / 1 x lite on cdrw
7 case fans plus vantec dual fan pci card
BFG 6800 Ultra OC 456/1.28 Stock air
3.2P4(no OC)3dmark03 score :13570
http://service.futuremark.com/compare?2k3=3195131
3.2 p4 @3.472 217FSB 6800u@ 425/1.28 3Dmark03: 13738
http://service.futuremark.com/compare?2k3=3195221
WIFES PC: 3.2P4/BFG 6800GT/1 gig pc 3200
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Old 09-08-04, 10:16 AM   #199
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Default Re: GeForce 6800 power supply questions

Well,
I just put in the OCZ 520 with my BFG 6800 Ultra OC, and I can say one thing-- Sweet! The power supply has two individual rails for video cards.

I'd recommend it to anyone.
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Old 09-08-04, 04:16 PM   #200
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Default Re: GeForce 6800 power supply questions

Today i tryed Doom3 windowed mode, and had aida32 running in the background showing the voltages

i normally have around 11.67 to 11.61V on the +12V line
and while gaming it dropped down to 11.55 and 2 times to 11.49

I have read that the ATX V2 specs are minimum 11.4 V !!!

I am running a 450W TSP power supply
http://www.pc-cooling.de/catalog/art...oducts_id=4398
Has 22A on the +12 Line, should be enough somehow ?

And i have 1 seperate Molex line with 2 12V plugs on a Gainward 6800 Ultra GS 430/1200 (nothing else attached)
Besides i run a AMD XP Mobile 2600+ , 1 DVD-Rom and 3 SCSI harddrives. (on the other Molex line of the psu)

Could that be "too low" Voltage , i had about 3-5 crashes in various games ??

Or would it be better if i take one 12V plug from the other line to the 6800 Ultra ?

Please help.
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Old 09-09-04, 04:42 AM   #201
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Default Re: GeForce 6800 power supply questions

I have an 431Watts enermax. 20a on the 12 Rail 44A on the 5V Rail.
With my XP @2.3ghz and all the fans hds and drives plus a X800 XT PE the system runs stable (at 2.4ghz as well) but my 5v rail drops as low as 4.55 sometimes. I know this is very low but i get this drops as well if i underclock my CPU a lot and underclock the graphics card as well.
I think this PSU is fluctuating anyways. I haven't had a freeze or reboot at all so it is stable.
I am planning to throw in an ULTRA in this system soon: Do you think it will run stable? (Power needs of the ultra is only 10 Watts more than a XT PE according to Xbit)

Is it true that the ULTRA sucks more on the 12v rail and the XT PE more on the 5v rail? This would be good since my 12volt rail is solid (at 11.8 only but not moving wich is fine).
I'd hate to replace this PSU since it was expensive and does itS' job well for quite some time now.
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Old 09-09-04, 04:54 AM   #202
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Default Re: GeForce 6800 power supply questions

I have this PSU: http://www.buypcbits.co.uk/acatalog/...c_PSUs_46.html

Scroll down to the 550 W ATX TruePower Acrylic Transparent Power Supply with Blue LED's.

Will this be ok for my 6800 Ultra???
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Old 09-09-04, 10:32 AM   #203
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Default Re: GeForce 6800 power supply questions

Quote:
Originally Posted by DJMONDY
I have this PSU: [url]
Scroll down to the 550 W ATX TruePower Acrylic Transparent Power Supply with Blue LED's.
550W for 32 quid I'd be VERY suspicious. The quality PSU that even manage 550W cost nearer to 150
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Old 09-09-04, 10:32 PM   #204
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Default Re: GeForce 6800 power supply questions

Quote:
Originally Posted by Golden Boy
Today i tryed Doom3 windowed mode, and had aida32 running in the background showing the voltages

i normally have around 11.67 to 11.61V on the +12V line
and while gaming it dropped down to 11.55 and 2 times to 11.49

I have read that the ATX V2 specs are minimum 11.4 V !!!

I am running a 450W TSP power supply
http://www.pc-cooling.de/catalog/art...oducts_id=4398
Has 22A on the +12 Line, should be enough somehow ?

And i have 1 seperate Molex line with 2 12V plugs on a Gainward 6800 Ultra GS 430/1200 (nothing else attached)
Besides i run a AMD XP Mobile 2600+ , 1 DVD-Rom and 3 SCSI harddrives. (on the other Molex line of the psu)

Could that be "too low" Voltage , i had about 3-5 crashes in various games ??

Or would it be better if i take one 12V plug from the other line to the 6800 Ultra ?

Please help.
I can tell you what your problem is right now!!!!!
You have both power connections on the Ultra running off the same molex line. YOU CANNOT, under any circumstances, y -split ONE molex line to the Ultra. Your PSU has enough on the +12 at 22a, but your not feeding the card properly. You need to adjust your connections inside your case so that the two power connections on the Ultra are running off seperate lines. So, why not just unplug the molex on the DVD and swap it for the ONE of the ones currently on the Ultra? Seems simple! However, you MUST swap the secondary and not the primary power connection on the ultra. The primary is the one that needs a dedicated line if at all possible. The secondary will be ok if there are a few other things on that line.
__________________
SPECS:
Alienware
3.4 p4 /200FSB NO overclock
OCZ pc3500 performance 2 gig memory
OCZ 520 watt PSU
Asus p4c800deluxe-e motherboard
2 x 80g Sata HD's / 1 x 60g IDE / 1 x 40 g IDE
1 x DVD / 1 x lite on cdrw
7 case fans plus vantec dual fan pci card
BFG 6800 Ultra OC 456/1.28 Stock air
3.2P4(no OC)3dmark03 score :13570
http://service.futuremark.com/compare?2k3=3195131
3.2 p4 @3.472 217FSB 6800u@ 425/1.28 3Dmark03: 13738
http://service.futuremark.com/compare?2k3=3195221
WIFES PC: 3.2P4/BFG 6800GT/1 gig pc 3200
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