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nVidia 8800GT + Antec Quattro PSU = Lack Of Power!

Soldato
Joined
11 Sep 2003
Posts
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Location
London
lackingpowerht7.jpg


Just finished installing my shiney new Inno 8800GT but as soon as I installed the drivers I got that flippen sentinel pop-up telling me the card isn't getting enough power. . . . using a brand new Antec Quattro 1000W PSU!!!! :eek:

The same PSU has been running a Radeon HD 2900XT fine for three weeks non stop without issue?

I have just been surfing for some info and it appears there is a problem between the rev.1 Quattro PSU's and certain nVidia graphics cards, mainly 8800GTX's but now it looks like that includes the new 8800GT's

Unfortunately there is what amounts to a recently identified communications problem between some units of the power supply and the firmware on NVIDIA's card that causes an error message to be generated. Antec apologizes for any inconvenience, and is working with NVIDIA to isolate the precise cause and identify the solution as quickly as possible.

Please note that this does not affect the 8800 Ultra or any NVIDIA card besides the 8800GTX, and neither is every Quattro affected. We will shortly have revised units that solve the problem for those who have encountered it, and will gladly swap units for those customers. If you have further questions or need help with any Antec product, please contact Antec Customer Support

Nvidia sentinel ? Power related slow 8800GTX XXX

Antec Quattro 850 and 8800GTX issue

Gonna have to get this sorted asap so will post back with more info soon. If anyone else is using an Antec Quattro with one of these new 8800GT's please post what your experiences have been. . .ta! :)
 
Radeon HD 2900XT 512MB

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nVidia 8800GT 512MB

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Yee-Haar! I lost 9632 3Dmarks and all my games run like a 4 year old pc! :eek:

Ok I have been up half the night and I think the problem is deffo the Quattro PSU. I installed the card into a spare socket 939 system which has an Antec NeoHE 500W Modular ATX2.0 PSU and its flying!

Go figure! :confused:

Considering the Quattro 1000w cost me around £150 I am slightly suprised it can't power a single 8800GT card! :eek:

I think its RMA time for the Quattro, and I'm off out to the shops today to pick up one of those Corsair 620W HX Series PSU's. . .
 
Antec Quattro 850 and 8800GTX issue (page 3)

Run N. Gun said:
Final Update:

I received the Antec 850 Replacement on 11-1 and installed it tonight

fixedtpqnb7.jpg


The good news is that the new REV 3 of the PSU works so far, with my 8800GTX card. Note the version number on the PSU, if you're concerned if the PSU is gonna play well with your 8800GTX or 8800GT card.
Hmmm so it seems the latest rev of the TPQ series fixes this *bug* with certain nVidia cards!

I can't see that label on my psu at the moment (its still in use inside case) but I will whip it out later when I swap it for a Corsair HX . . .
 
Why not swap that PSU out then until your new one comes? :p
The other PSU is in a machine built for a client thats due to be installed in the office this week, its had its cables all make neat and clipped away so it seems a real pain to tear it apart.

I've sent an RMA request to the supplier of the TPQ PSU and that will be for a full refund and I expect them to send a courier to come and collect the faulty goods! Silly thing has wasted several hours of my chill-out time :rolleyes:

However I am now going out to pick up a Corsair HX 620w PSU so I hope to high heaven that its gonna work?
 
Radeon HD 2900XT 512MB

Click image for full results


nVidia 8800GT 512MB

Click image for full results

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nVidia 8800GT 512MB

Click image for full results

All sorted now . . . . . phew! :cool:

As you can see I just swapped out the Antec Quattro 1000w for a Corsair HX 620w and everything works great!

Really like the HX PSU, those thin modular leads are pure genius and it is very quite indeed!

Thanks to everyone who gave feedback and suggestions, what would we do without the forums eh! ;)
 
since when does a psu communicate with a graphics card?:confused: there are no data lines, only power.
Alright James. I don't know that much about the tech but there is some basic communication between a PSU and the mobo, the PG signal for instance, a mobo can't boot unless the PSU says so (or is it the other way around lol?).

I'm not sure whats going on inside nVidia cards though, there must be some mysterious tech lurking in there? I mean how does a graphics card make a decision that its not getting enough power from the PSU?

I have run into so many issues with various Antec PSU during the past year that I am starting to wonder whats happening?

Just a few days ago I had to send back another Antec PSU because the 120mm inside it was rattling like a good un, that was their new Antec Neo 650w *blue*.

Anyway I'm glad you built your HTPC because thats where I really clocked the Corsair PSU.

I'm a bit frazzled atm as I have been awake since 8.00am Friday, but I'm glad I got to the bottom of the issue, gonna have a little TF2 session shortly and forget about the pain-in-the-*** 24 hours I've had! :cool:
 
Hello,

just thought I'd make a little update, everything is swell and the system has been lashing out the benchmarks for 12 hours straight, hasn't missed a beat yet!

If it has just been me that had the Quattro/8800GT bug then I would think it was a single bad example but because lots of other forum members around the world have also been having the same issues then there is obviously some *bug* that needs to be fixed?

I have had a similar issue from Antec earlier this year with their older NeoHE PSU's, some of them (not all) had a hard time running a system with an ASUS motherboard, they would either not powerup (bad PG signal) or they would just power-down your system at will!!! :eek: So you would be sitting their just having a little read of the forums and. . . . shutdown?

By swapping out any of these PSUs and replacing them with a generic PSU resolved the issues in all cases so there is deffo something up with Antec of late?

So I have boxed up the three week old Quattro and am awaiting for a reply from my RMA request with the supplier. . . . its outta here! :cool:
 
Hello, I didn't forget about you guys! ;)

As I mentioned above I intend to RMA this PSU for a full refund. I would suggest that you also consider this route if you wish.

My PC time is important to me whether I am playing a game or just sitting down with a cup of coffee to paw through the forum posts.

In short when I pay a £££ Premium £££ amount of money for a piece of hardware it has to work better than I expect or I will not be truly satisfied.

The current Antect Quattro not working with an 8800GT has cost me a lot of time and inconvenience not to mention money. Amazingly the guy at the hardware store where I picked up my Corsair PSU gave me a decent price on it when I explained my plight, £89.00 cash-in-hand and I walked away with it in my hand, once it was installed a few hours later all my PC worries were gone! :)

*if* my RMA goes through and *if* I get the money credited back to my card before my next statement is issued then I will be all good, in fact as I paid £135-£158 for the Quattro the reduced cost of the Corsair replacement should save me a few quid.

I will post back what happens but hopefully you both get a happy resolution to your issues, deffo consider an RMA, take a replacement if you wish (as long as its gonna work?) but a refund would be preferable, good luck! :cool:
 
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Why have you got a 1000w power supply?
Hi Mekrel, sorry I didn't reply earlier but I thought the question was a bit off topic, after all it was meant to be a *support* thread for anyone sitting in front of a Quattro/8800GT computer wondering why it wasn't working.

Your question is a reasonable one but you do come across as being a bit shirty?

Anyway to answer your question . . .

"Why have you got a 1000w power supply"

I have been using an Antec True-Power Trio 550w PSU for about a year with no issue (apart from its not modular). About a month ago I bought a Radeon HD 2900XT and installed that into my machine, however while in the course of using the system I started getting strange reboots and freezes? Yes the machine was overclocked but had been for some time with no problem, anyway as protocol dictates, I returned the machine to its stock settings and continued, sadly I still had a few weird issues?

I started to suspect that the PSU may be struggling now that I had swapped out a X1950XT for a HD 2900XT and all I wanted to do was get on with some gaming/benching etc. I hooked up my PSU tester and it all checked out fine. hmmm?

At that point I thought I may need to get myself a new, more powerful PSU so I started reading the forums and reviews etc and picked up on the Antec Quattro 850. My initial budget had been up to about £100 which is about right but I got offered a Quattro 1000w for about tha same price as a 850w retails so I thought go for it, why not?

Obviously the rest is history but the funny thing is that somewhere along the line I tested my original TruePower Trio again but this time it fails? The +5v rail is shot, was reading as +4v, so that unit has now been RMa'ed back to Antec (costing me £22 to send!).

So in hindsight I think I got unlucky, I had an intermittant faulty PSU that was hard to detect and it started really playing up at around the time I had installed the new Radeon.

Once the Antec Quattro was installed eveything worked great. . . until I swapped out the HD 2900XT for the 8800GT! :rolleyes:

I mean its bad enough that there are motherboards that only accept either SLI or CrossFire set-ups, It would just get silly if PSU makers started doing it as well! :D

Anyway thats the answer to your question, a chain of events that led up to my decision to purchase a 1K psu. . .

*if* I get a refund for the Quattro and *if* I get RMA'ed a brand new Trio 550w from Antec which I can sell at auction then I should be all good,

thanks for reading and have a nice day lol! :p
 
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Sure no problem, I guess I should have done a proper search myself before purchasing. Anyway my Quattro has been RMA'ed and the supplier found it faulty and refunded me in full.

Switched to the Corsair HX620 and haven't looked back since! :D
 
There are many issues that have been brought up in this thread, so let me try to tackle them all.
Hello AntecRep,

firstly as is customary let me say 'Welcome to the forums' :)

Thanks for popping in to give us all some feedback, would be good to hear more information on what is causing the issue that I experienced while using a new Quattro with the 8800GT.

If it had been a one off scenario with a single unit I would have put it down to bad luck but seeing as quite a few people world-wide have hit the same problem then surely something is amiss?

I also wonder, what testing did Antec do with the 8800GT seeing as its a new card and all you may not have had a chance?

I don't understand why this issue affects the 8800GT cards but not an 8800GTS?

Personally I am all good now since pulling the Quattro from my system but it caused me to lose an entire nights sleep and on the whole was a great inconvenience. The 8800GT is proving to be a very popular card so I'm sure I won't be the last system builder to be left scratching their head when they pair your Quattro PSU with this shiny new GPU.

If the fault lay with Antec I would pull the units from retail until you have resolved the issue, however if the fault lay elsewhere then please share the infomation with us all.

Having used Antec PSU's for many years I am personally disappointed with this latest product but I will say that any time I have had an issue I have found Antec Support to be top notch! :cool:

Thanks for reading and have a nice day, look forward to your update.
 
I can't help
Obviously not
Never fear MHayes, when the chips are down for you and you really need technical support lets see how you like it when people make unhelpful replies to your posts!

Normally if you lack the technical insight to make a constructive comment but you wanna join in the thread then try something along the lines of moral support for the unhappy sods who are sitting at home struggling to get their uber PC working properly, its not a nice place to be.
 
I was so enjoying it until the point I suffered from this reoccurring nightmare.
Yup I can understand that, I had a real hassle working out the problem myself and as I had just bought a new 8800GT I wasn't gonna hang about so as soon as I found the cause of the issue I legged it out to the shops the very next day and bought the Corsair HX620W. Did it all on the credit card but got my refund for the Quattro before my bill was issued so that worked out well.

As long as you are involved in self builds there is always the chance that every now and then you will encounter a hardware mismatch like this, I've had a fair share in the past but they have always been sorted and when you get it sorted you will feel much better. . . .good luck!
 
Hi ademcg,

hope it all works out for you. I have only dealt with Enermax support once and found them to be spot on, I had a brand new 'Liberty' 500w that let out the occasional 'crackle' so I sent it direct to them and they mailed me a new one the very next day.

Anyway its probably best to keep a cool head when dealing with support people because they may put the brakes on your RMA if you hack them off too much! :o
 
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