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video card - core/memory clock

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Name: litz (by don)
Date: February 4, 2004 at 12:26:08 Pacific
OS: win xp
CPU/Ram: 2500+/256mb
Comment:

hi,

i get slow gaming performance on my pc which it shouldn't be. i suspect it is due to the gecube radeon (9600xt 256mb)video card, hope someone could help. i check from its site and found these infos on the card.

1. vpu core engine clock - 500mhz
2. integrate RAMDAC - 400mhz

my question is, does these 2 figure represent core clock and memory clock in "riva tuner"? if so, why do i get a much lower figure detected by "riva tuner"(can't really remember the exact figure, approx. - core : 400mhz / memory : 250mhz??)

please, somebody help me out on this.....feel like throwing this card out of the window......



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Response Number 1
Name: a1b2c3d4
Date: February 4, 2004 at 13:02:40 Pacific
Reply:

RANDAC is not your memory speed. A 9600XT should have memory clocked at 300mhz(effective 600mhz). Your memory is at 250(effective 500) which might be because you have a gecube. They sometimes implement their own enhancements. This time i guess they downgraded your ram. Now the Radeon 9600Pro and Xt core were both starved for memory and this can give you lower performance. But take my word now and remember this, no Radeon 9600Pro or XT was even considered good to play any new games at 1600x1200. If you set your games to that you will always see poor performance. Lastly, try overclocking your ram, if you start seeing ripples in the textures then you can be sure they got you cheap ram.
otherwise overclock it to 300mhz and you have a normal 9600XT.


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Response Number 2
Name: litz (by don)
Date: February 4, 2004 at 13:19:11 Pacific
Reply:

hi a,

thanks for the input.

if i have not mistaken, the ram chip on the card is "samsung" made. (i did heard that these ram chip is good for overclocking.) next, i didn't know that a brand new ge cube card needs to be overclock before being use. well, i know it now, will never get a video card of that make again.

by the way, do u know the "standard" core clock made by other manufacturer, e.g : sapphire. cos i would like to match it and see if it works.

thanks.


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Response Number 3
Name: a1b2c3d4
Date: February 4, 2004 at 14:37:48 Pacific
Reply:

The standard core clock is 500 as it is in urs. Usually its overclockable to about 600mhz(this gives maybe 5% boost because the ram even on a standard 9600XT limits the core) and the normal ram on a 9600Xt reaches 320mhz. Samsung is a great ram maker but i don't know the ram you have. is it 3.3ns or 2.8ns? or so on. Theres only one way to find out if they gave you cheap ram. Overclock it by increments of 2 and run a benchmark like 3dmark03. You don't have to run the whole thing just 1 game test will do. If you see any textures out of place then you know your ram is hitting its max. But because you have samsung i think you will reach the standard 300mhz if not more. Good luck.


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Response Number 4
Name: litz (by don)
Date: February 6, 2004 at 09:58:45 Pacific
Reply:

hi a,

thanks for the info.

i've check out my video card and found out that the core clock at 500mhz(not 400mhz i previously mentioned) and memory clock at 250mhz(default). i went on to overclock it max core at 570mhz and memory at 330mhz(starts getting glitches), so i lowered 10mhz on both and it works fine.

bye.


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