Crucial Ballistix 3200(Micron mT -5B G) ...267fsb??

I bought this ram today and i've been playing around with it, whats the fastest anyone has gotten this stick or chip? It crashes on me @ 267mhz, 2.8v (3-4-4-8). Ive gotten it to 250 same settings but havent had time to run prime95.

I would like to be @ 4ghz with a 1:1 timing but i'm not too sure now...what do you guys think?

try upping the voltage.. my micron 5bc responds well to voltage. only thing is they get real hot so make sure u cool them

That could be a problem. Max3's crap out past 2.8v's unless i mod the crap outta my board...and that's scary.

How fast have you gotten yours? And whats the cas rating?

illogical06 said:

I bought this ram today and i've been playing around with it, whats the fastest anyone has gotten this stick or chip? It crashes on me @ 267mhz, 2.8v (3-4-4-8). Ive gotten it to 250 same settings but havent had time to run prime95.

I would like to be @ 4ghz with a 1:1 timing but i'm not too sure now...what do you guys think?

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The VDIMM on the MaxIII works OK (still not good as other boards) at 1:1. The Abit 875P boards don't run ram the best though.

But all the sticks I've tried will do 242-248, 2.5-2-2-5 at 2.8 volts. I did 250 on an IC7-G. At 2.5-2-3-5, they will go up to 255-263. At 2.5-3-3-5 they run 260-273.

Label the sticks A and B and try switching ram slots, and switching sticks. Run all four permutations to find the best Memtest clean solution. I found the sticks are pretty balanced compared to other stuff. You can squeeze a little more mileage out of them at 2.9-3.0 VDIMM.

Don't even bother with 3-4-4-7 or 2.5-4-4-7 crap with these sticks (even though the PC4000 is rated 2.5-4-4-7). 2.5-3-3-5 is the slowest I've ever tested them at.

While it is true the sticks heat up a bit, no TCCD I tried is exactly cool to the touch either. I hear the TCCD stuff really draws a lot of amps or resistance or whatever.

A better choice would be a 3.2C/E to hit the sweet spot of this ram, as 250 is 4 gig.

Well, i only have one ram stick actually, but i have successfully clocked it @ 255 (2.3-3-3-5) prime 95 stable so your absolutely correct. (2.8v)

Well, i only have one ram stick actually, but i have successfully clocked it @ 255 (2.5-3-3-5) prime 95 stable so your absolutely correct(2.8v). I'll try 2.5-2-3-5 as suggested tonight.

My Ballistix is just fine @ 260 FSB running 2.5-2-3-6 timings with 2.9-3.0 volts! It won't budge over 260 with those timings though, but since my processor maxes out @ 2.6 ghz it works out perfectly for me. I've never tried higher bus speeds since my processor can't do any higher anyways.

Well i got 2.5-2-3-5 @ 255fsb prime 95 stable for 11 hours so i think i'm in the clear lol. Thats great it worked out for you strida, i'm goin to step up my fsb just a tad and retest. I already know that 267 isnt possible, but i'm not positive what the limiting factor is for sure.

My mobo's vcore has pretty bad droop @ high voltages so i can't juice up the proc however much i want and also the vdimm and vtt fails @ voltages over 2.8 so i can't juice up my ram anymore at all.

I'll try out 260 and see what happens, i'm goin to loosen the timings back to 2.5-3-3-5 and see what happens.

260fsb @ 2.5-3-3-5 is 100% prime95 stable! (11 hours).

Right now i'm trying the same timing @ 263fsb. It's 3dmark01 stable which probably means the cpu is fine but i havent got the chance to prime stable it yet. I'll be done with that @ about 11:10 pm. I think i'm going to hit 4ghz stable!! Temps are pretty good too.

illogical06 said:

260fsb @ 2.5-3-3-5 is 100% prime95 stable! (11 hours).

Right now i'm trying the same timing @ 263fsb. It's 3dmark01 stable which probably means the cpu is fine but i havent got the chance to prime stable it yet. I'll be done with that @ about 11:10 pm. I think i'm going to hit 4ghz stable!! Temps are pretty good too.

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That's pretty good considering you're running an Abit 875P board, which don't run 1:1 well. The VDIMM on the MaxIII works at 1:1 so with 2.9-3.0 VDIMM, you might squeeze a bit more out of the ram too.

The Ballistix PC4000 I got 2-3 months ago hits 273 at 2.5-3-3-5. That's at 2.8 VDIMM. While TCCD can do higher, try running it at 248, 2.5-2-2-5, or 258, 2.5-2-3-5 . Nope, never in your wildest dreams . . .

I got nothing against TCCD as I got two sets of PQI, GSKill LEs, and Vitesta PC600. With all the money I spent on ram, let's say I can 'afford' to be objective . I validate all the overclocks on my ram and CPUs by running all three/four Marks and Aquamark, so I know what is faster .

Ya, i made a mistake, it was @ 255 that it was stable for 11 hrs. Then, i ran it again and it was unstable after 3.5 hrs. I don't know what the crap is going on, its very frusturating.

The vdimm and vtt craps out at anything over 2.8 so i'm not goin to go past it. I'm taking a break from trying to reach a high fsb so i'm running at a stable 245. It's pathetic i know, i'm goin to try for higher eventually but right now i'm trying out vdimm/vgpu modding my 9600xt and 8500le.

illogical06 said:

Ya, i made a mistake, it was @ 255 that it was stable for 11 hrs. Then, i ran it again and it was unstable after 3.5 hrs. I don't know what the crap is going on, its very frusturating.

The vdimm and vtt craps out at anything over 2.8 so i'm not goin to go past it. I'm taking a break from trying to reach a high fsb so i'm running at a stable 245. It's pathetic i know, i'm goin to try for higher eventually but right now i'm trying out vdimm/vgpu modding my 9600xt and 8500le.

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255 on a 3.0E is 3.825 gig. Are you sure the thing is stable? You may be running out of fsb on the CPU. That's why everytime I get new ram, in goes my 300 fsb 2.40C for flogging.

In my experience (I've tried four MaxIIIs), the VTT craps out >2.8 with dividers. I was able to overclock predictably at 1:1 up to 3.2 VDIMM.

Check Memtest: it will lock >2.8 with dividers, but should run OK at 1:1 above that.

Which would be better for acheiving a speed of around 250Mhz at decent timings -
Ballistix 3200 or 4000?

Dexx said:

Which would be better for acheiving a speed of around 250Mhz at decent timings -
Ballistix 3200 or 4000?

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My first set of Ballistix was circa the Anand review, PC3200. Does 248, 2.5-2-2-5, tho' last time I ran them they did 250 on the IC7-G (so that means 2.8 VDIMM). These sticks only have 2-3 hours run time. Burning in might help a little.

It was somewhat of a crapshoot to get good sticks then. The last set I got about 3 months ago are PC4000, those do 248 also and max at 273, 2.5-3-3-5.

The PC3200 timings have since changed to 2-3-2-5. If you're a gambler go with PC4000. Should have more headroom too.