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Not all x1900xt's have 1.1ns ram.

post #1 of 9
Thread Starter 
yeah that's right, I just broke mine down to lap the heatsink(dunno how good of a job i did, but oh well, we'll see) and i have infineon 1.2ns ram. so, I dunno if that's a bad thing, but it certainly doesn't make me feel fuzzy inside I was hoping that it WAS just a rebinned x1900xtx, but its more like...x1900cf - the crossfire chip

So, just letting everyone know that they're switching the memory now, so DO NOT flash these things to xtx's (the sapphires at least), unless you know that your ram is 1.1ns.


As for how to find out that info on the latency, look somewhere else, lol I don't feel like googling it.
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post #2 of 9
Herrmmmm

Good info
    
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post #3 of 9
Thread Starter 
Yeah it is, as I've been back and forth on whether or not to flash my gpu to an xtx...glad I didn't(I was under the assumption that xt's and xtx's had 1.1ns ram.)

Or i'd most likely have a toasted card.
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post #4 of 9
isn't the only difference the clock speeds? Just clock it up + add some voltage or something...
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post #5 of 9
Thread Starter 
Quote:
Originally Posted by Sideburns
isn't the only difference the clock speeds? Just clock it up + add some voltage or something...

Yeah, that's it, you can just clock it up, but since atitool is such an ass to work with, a lot of people like to flash it up to xtx, so they can have higher stock clocks. Now everyone says make sure you have 1.1ns ram...I'm assuming because if you don't, it'll freak out and you'll brick your card.
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post #6 of 9
I've never had any problems with Atitool 0.25 beta 14 and it's been out for a really long time.

Give beta 14 a try sometime and make sure you set the right 3d mode volages
    
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post #7 of 9
Only the first batch of the 512MB X1900XT have 1.1ns ram. Other than that they're all 1.2 (1.26ns to be exact). The 256MB now have 1.26ns ram also
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post #8 of 9
X1900XT's were never guaranteed to have 1.1ns chips they just shipped with them for awhile. Even CF cards will do XTX+ speeds so it shouldnt be a problem to run XTX speeds. ALL CF cards use 1.2ns RAM so that's pretty much what you have.
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post #9 of 9
Thread Starter 
Quote:
Originally Posted by bigvaL
X1900XT's were never guaranteed to have 1.1ns chips they just shipped with them for awhile. Even CF cards will do XTX+ speeds so it shouldnt be a problem to run XTX speeds. ALL CF cards use 1.2ns RAM so that's pretty much what you have.

I never said that they were guaranteed, but I haven't seen anywhere until recently, and on my card, where they had 1.2ns ram. I thought they all just had 1.1.
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