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Old 10-29-04, 05:15 PM   #1
jimmor
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Default Different Memory Speeds in 2D/3D

Just for anybody who may be interested, I have just set a bios I am testing, to stocks of,

300/800 for 2D
510/970 for throttling
510/970 for 3D

In other words I have set 2D and 3D gpu and memory speeds at different levels !

The rivatuner report for the bios shows,

$ffffffffff NVIDIA VGA BIOS information
$ffffffffff ---------------------------------------------------
$1100000000 Title : FX 5950u Bios @jimmor
$1100000002 Version : 4.35.20.32
$1100000001 BMP version : 5.28
$1100000200 Core clock : 250MHz
$1100000201 Memory clock : 250MHz
$1100010000 Perf. level 0 : 300MHz/400MHz/1.20V
$1100010001 Perf. level 1 : 510MHz/485MHz/1.50V
$1100010002 Perf. level 2 : 510MHz/485MHz/1.50V
$1100020000 VID bitmask : 00000111b
$1100020100 Voltage level 0 : 1.20V, VID 00000100b
$1100020101 Voltage level 1 : 1.30V, VID 00000101b
$1100020102 Voltage level 2 : 1.40V, VID 00000110b
$1100020103 Voltage level 3 : 1.50V, VID 00000111b


I am running with 66.29 driver, and have just run aquamark03, 3dmark01 & 03, and my card steps up and back cleanly between 300/800 and 510/970 as it transitions between 2D and 3D modes. Which obviously shows that a 5900nu card can run with different gpu/memory speeds in different modes if required. Was always known to be possible with earlier drivers, but this is first time I tried with a 6xxx series driver.

Take note however, this is not saying that all cards with all drivers will be able to run with different 2D/3D memory speeds.

But it could be taken as a warning to any FX59xx owner who has modified the memory speed of their bios using either Omniextreme 1.5 or NiBiTor 1.7. Both of these programs only allow changing 2D memory speed on the belief that a driver always defaults memory to this speed regardless what throttling or 3D are set at. The test I have just done obviously does not agree with that assumption !!!

Below is a small part of the Rivatuner Hardware Monitor log for when I ran Aquamark03 from 2D to 3D and back to 2D mode. It has been truncated down however to mainly show the 2D/3D transitions, otherwise it would be too big to be posted here.

00, 29-10-2004 22:35:41, Hardware monitoring log v1.1
01, 29-10-2004 22:35:41, NVIDIA GeForce FX 5950 Ultra / SONY CPD-100ES
02, 29-10-2004 22:35:41, Core clock,Memory clock,Core VID,Core temp,Ambient temp
80, 29-10-2004 22:35:52, 300.857 ,798.000 ,4.000 ,36.000 ,31.000
80, 29-10-2004 22:35:53, 300.857 ,798.000 ,4.000 ,36.000 ,31.000
80, 29-10-2004 22:35:54, 300.857 ,798.000 ,4.000 ,36.000 ,31.000
80, 29-10-2004 22:35:55, 300.857 ,798.000 ,4.000 ,36.000 ,31.000
80, 29-10-2004 22:35:56, 510.300 ,972.000 ,7.000 ,43.000 ,31.000
80, 29-10-2004 22:35:57, 510.300 ,972.000 ,7.000 ,39.000 ,31.000
80, 29-10-2004 22:35:58, 510.300 ,972.000 ,7.000 ,39.000 ,31.000
80, 29-10-2004 22:37:07, 510.300 ,972.000 ,7.000 ,43.000 ,33.000
80, 29-10-2004 22:37:08, 510.300 ,972.000 ,7.000 ,43.000 ,33.000
80, 29-10-2004 22:37:09, 300.857 ,798.000 ,4.000 ,43.000 ,33.000
80, 29-10-2004 22:37:10, 300.857 ,798.000 ,4.000 ,41.000 ,33.000
80, 29-10-2004 22:37:11, 300.857 ,798.000 ,4.000 ,41.000 ,33.000
80, 29-10-2004 22:37:12, 300.857 ,798.000 ,4.000 ,41.000 ,33.000
80, 29-10-2004 22:37:13, 300.857 ,798.000 ,4.000 ,40.000 ,33.000

The only important thing I will advise to anyone wanting to run different 2D/3D memory speeds, is to make sure that coolbits, Rivatuner and any other overclocking tools are properly disabled, as they could interfere with the speeds being controlled by the bios !!!!
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Intel P4 3.2 @ 3.85GHz (ASUS P4C800E-Deluxe)
BFG 6800GS (16x1,6vp) @ 300/430/1200.

Driver, 82.12 :-
Aquamark3, 75039
Codecreatures1, 90.8
3Dmark05 v120, 6195
3Dmark03 v360, 14334
3Dmark06 v102, 2949
3Dmark2001se v330, 23793.

Last edited by jimmor; 10-30-04 at 09:46 PM.
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Old 10-29-04, 07:24 PM   #2
lostboyuk
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Default Re: Different Memory Speeds in 2D/3D

hey m8 just wanna thank you for so much info...................gained so much within my xt card.........you make great reading.........I must admit I didn`t waNT TO BOTHER YOU......but I gained so much info from all your very informative post....................................THANKYOU!! !!!
just a shame there are not more of guys like you.......on the vast internet........may you go onto to be so famous..............well you are already famous are you not?
All the best form the UK .....lostboy...Jeff
God speed...............Jimmor
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Old 10-30-04, 03:50 AM   #3
jimmor
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Default Re: Different Memory Speeds in 2D/3D

Quote:
Originally Posted by lostboyuk
hey m8 just wanna thank you for so much info...................gained so much within my xt card.........you make great reading.........I must admit I didn`t waNT TO BOTHER YOU......but I gained so much info from all your very informative post....................................THANKYOU!! !!!
just a shame there are not more of guys like you.......on the vast internet........may you go onto to be so famous..............well you are already famous are you not?
All the best form the UK .....lostboy...Jeff
God speed...............Jimmor

Thank you for your comments, much appreciated !

Fortunately for me however, there are already a lot of informative people out here on the internet. And no reason why you shouldn't be one of them !
__________________
The more I know, the more I know I don't know

Intel P4 3.2 @ 3.85GHz (ASUS P4C800E-Deluxe)
BFG 6800GS (16x1,6vp) @ 300/430/1200.

Driver, 82.12 :-
Aquamark3, 75039
Codecreatures1, 90.8
3Dmark05 v120, 6195
3Dmark03 v360, 14334
3Dmark06 v102, 2949
3Dmark2001se v330, 23793.
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