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NVidia 6800 Ultra power requirements



 
 
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  #11  
Old April 16th 04, 01:49 PM
Nada
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(John Lewis) wrote:
On 15 Apr 2004 02:26:53 -0700,
(Nada) wrote:

John, you wouldn't happen to have a link to a Intel Pentium IV Prescot
power consumption test sites? I heard those models produce more watts
than HAL2000. This is going to create mass hysteria with upgrading
the power supplies again.


Yes, indeed and it should be a permanent bookmark for anybody
building Intel-based PCs or trying to find a particular mask rev of
a processor.

http://processorfinder.intel.com/scripts/default.asp

Pick your processor. Click on the appropriate SL code and bingo...
all the important shortform infomation on mask version, wattage, max
operating core temp etc. For example, note that the P4EE is spec'd
for a max core temperature of 64 degrees C only. Doesn't mean
that it will stop working at 65, but it might slow down a little....

Prescott 3.4 is 103 watts max
Northwood 3.4 is 89 watts max.


Good grief. I have a feeling my case needs more system fans for the
summer.

For reference the whole nVidia 6800Ultra board has a maximum
dissipation of only 110 watts Compared to the block heatsinks of
the processors, the nVidia reference thermal solution is huge (and
apparently very quiet ). I'll take huge and quiet any day...


I don't mind if the card is "fat", but if it's too long that might
cause claustrophobia near the IDE cables. The 5900XT I have is
already getting tight with the IDE cables. Most likely I have to
change the cables to the round ones. It's going to be ridiculously
expensive upgrade this summer with the power supply and monitor.

BTW, the weight of the 6800Ultra is no greater than the 5950U, since
the heatsinking is all aluminum. I suspect that some of the
vendors of Nvidia cards (MSI and Leadtek come to mind ) will
replace the aluminum with copper to get the Ultra height down.


MSI has really been much better with their thermal solutions for the
last two years. They used to be as bad and noisy with the heatsinks
as Creative. My current 5900XT card by Leadtek has an excellent
dustcover protecting the fan from harm, and I hope the basic 6800
heatsink and fan combos will keep the manufacturer's name alive.

Beware of the weight of a copper thermal solution.... No matter what
solution is adopted, the PCI space next to the 6800 or 680 Ultra
should be always left completely free for adequate ventilation, unless
the alternate solution vents directly through the rear -- and with the
2 large DVI connectors that will be very difficult to do effectively
in a 1-slot space.

John Lewis


It's been better lately with the "open PCI vacancies", because my
nForce 2 has all the integrated LANs I ever need. And my soundcard is
at the bottom PCI slot. I've noticed even here in Scandinavia that
the summer is slowly creeping up inside the PC tower. The ambient
temperature is slowly increasing to a level where the almost-silent
power supply fan isn't enough anymore to keep the temperature in a
normal level. Opening the side of the case drops the heat by 10
Celsius during heavy gaming sessions. There has been no lock-ups yet
with the Barton 2600+, but I'm somewhat alarmed that it might happen
any day.
  #12  
Old April 16th 04, 07:49 PM
tq96
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the processors, the nVidia reference thermal solution is huge (and
apparently very quiet ). I'll take huge and quiet any day...


Some reviews noted that it wasn't too loud when enclosed in a case with
other loud components. Others mentioned that it was loud. It looks to me
from the pictures, that it uses a 60mm fan. You cannot get good airflow
with near-silent acoustics from a 60mm fan. This will be loud enough to
irritate the silent pc enthusiasts.
 




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