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Old April 18, 2007, 10:04 PM
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Default Catalyst 7.4 drivers available now

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OpenGL performance in Windows Vista improves for the entire ATI Radeon X1000 series of products in both single card and hardware Crossfire configurations. Typical Improvements of 15% or more can be seen games such as Doom 3, Quake 4 and Prey with enthusiast class products seeing improvements of 30% any beyond.
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Old April 18, 2007, 10:12 PM
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Vista, Vista,Vista.......

Maybe they should get off of their butts and fix the overclocking issues with 1950 cards that have been around for over 6 months...... :)
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Old April 18, 2007, 10:48 PM
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Holy... uh...crap !
I completly missed seeing the word vista in there :(
You are right. For an os that apparently isn't selling all that well, everyone is sure focused on it.
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Old April 19, 2007, 04:03 AM
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The fact that they've got fairly stable Vista drivers is the only thing they've got going for them until they release the model.

I'm sure that's why they're focussed on Vista.
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Old May 13, 2007, 08:26 AM
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Well I'm glad to hear I'm not the only one having problems with trying to OC a 1950 card. In fact I can't OC the card at ALL!! Not only that but I can barely OC the CPU ...anything over 275 FSB and the darn thing won't even post.

Prior to the 1950 card I just got I had an 800GTO which OC'ed like crazy as well as the the CPU E6400 which easily ran a FSB of 335 and ram(OCZ DDR2 800MHz) at a tick over 1000MHz. And this with a little Enermax 420W PSU.

When I installed the new card I also installed a Thermaltake Purepower 500W PSU... but I just plain screwed up 'cause the specs for the card call for at least a 500W PSU AND 30a 12V rails.

So I installed an Enermax Infiniti 650W unit w28 and 30a 12 volt rails...still can't get above a FSB of 275 w/ram at 825MHz and still can't OC the card a single bit. Any change to the card no matter how small and the screen just starts to flicker!! Grr...should have stuck with the little GTO.

I just ran 3D Mark 06 and the best I can do is 4448 One very unhappy camper. Oh ...and I'm running the latest ATI driver.
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Old May 13, 2007, 10:24 AM
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I wouldn't expect too much of an OC out of the 1950 pro. Like all EOL products it's pretty well pushed to the max on stock settings already, and there are several hoops a person must go through to get third party OC programs to work around the driver issues with OC.

The issue you are having with your cpu though is another matter that should be investigated. Did you try running the PCIe slot in async mode? It could be that the 1950 is less forgiving of a higher PCIe slot freq.

(BTW.... the specs on the 1950pro are for a PSU capable of outputing a total of 30a on the 12V rail..... suggestions for multi-rail units usually range around 18 - 20a minimum per rail)

Welcome to HardwareCanucks, hopefully we can figure out a solution to your problem OC'ing that 6400.
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Old May 13, 2007, 01:43 PM
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Hi,

Thanks for the quick reply and the welcome to the forum. I'm sorry I wasn't a bit more specific...the vid card I have is a Sapphire X1950GT with the power requirements listed on the packaging as "30Amps on 12 volt rail recommended". In any case, I agree with you that my CPU oc'ing efforts are somehow related to the vid card.

The board I'm using is an ASUS P5B-Deluxe (965 chipset) and I can't find too much in the BIOS that refers to PCEe slot sync mode. The only things I can find are in the Jumper Free configuration section and deal with:

(1) PCI express Frequency... the choices being Auto or a range from 90-104 MHz ( Have been using 100 as it seems to be the default)

(2) PCI Clock Synch mode...the choices being Auto or 33.3 MHz (I've tried both and it doesn't seem to matter)

Further on down in the BIOS is the Chipset Configuration section with the following things being adjustable:

(A) Northbridge:

(1)Initiate Graphic Adapter which apparently deals with which graphic controller to use as primary boot device.. PCI/PEG or PEG/PCI ???

(2) PEG Force x 1..Enabled or disabled

(3) PEG Link Mode... Auto/ Slow/Normal/Fast/ Faster...I've just left this on Auto

(B) Southbridge:

PCIEx16 2/PCIEx1 1 Force ... the choices are [X2/X1 Mode(compatible)],[X4/disabled Mode(fast)] or [Auto]...I have no clue what this all refers to so I've left it on Auto.

These are the only references I can find to the vid card. Does any of this relate to the problems I'm now having with OC'ing as well as the apparently poor 3D Mark 06 results?

Cheers

Last edited by ktown; May 13, 2007 at 01:46 PM.
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Old May 13, 2007, 02:53 PM
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I've never run an ASUS board but I suspect that peg link mode (ASUS proprietary setting) might be the culprit...

PEG Link Mode - Wikipedia, the free encyclopedia

Try disabling it (I think it's the slow setting) and see if that allows you to increase your cpu OC.

You can also try setting the PCIe freq. to 101 (I suppose you could also try it at a low setting like 90 to see if it's ramping up). Some of my MSI boards didn't lock the PCIe slot unless you made a selection other than 100, so the slot would ramp up with FSB.

Hopefully others will chime in with their experiences, but I've found anything above 111 - 115 on the PCIe slot to be unstable, and I suspect that's what you're running into.

As far as low `06 scores go.... the cpu still plays a large role in the total score so your low OC is probably what's bringing that down.
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Inwin 904 / Swiftech MCP655-b / Alphacool NexXxos XT45 120 Rad / 2X Scythe GT AP-15 / EK Supreme HF / Dell UltraSharp U2412M

Asrock AM1H-ITX / AM1 Athlon 5350 / 2X4G Gskill PC3-14900 / Intel 6235 Wi-Fi / 90W Targus Power Brick / 320G Seagate Momentus / Mini-Box M350 / 1X 22" Dell IPS / 1X 22" HP

Last edited by sswilson; May 13, 2007 at 03:00 PM.
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Old May 13, 2007, 03:05 PM
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Thanks yet again!!

I appreciate the observations and the wiki link...I'll mess around a bit with the settings and see what happens. Also I do agree with your comments on the low benchmark scores and my CPU...during that portion of 3D that tests the CPU the test barely ran at all and never above 1fps...mostly 0 fps It was unbearably slow, in fact I thought that I was experiencing a system hang.

Cheers
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Old May 13, 2007, 03:17 PM
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Quote:
Originally Posted by ktown View Post
Thanks yet again!!

I appreciate the observations and the wiki link...I'll mess around a bit with the settings and see what happens. Also I do agree with your comments on the low benchmark scores and my CPU...during that portion of 3D that tests the CPU the test barely ran at all and never above 1fps...mostly 0 fps It was unbearably slow, in fact I thought that I was experiencing a system hang.

Cheers
In regards to your cpu test in 06, my machine also runs same fps 0 and 1 and my score is 9863:). I'm not sure if everyone else with core duo's are running same though. I find the cpu test almost crippling....like you stated...it's like the system hangs
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