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[Official] MSI 790FX-GD70 Owners Club - Page 127

post #1261 of 9641
BTW, I just lapped my Big Typhoon HS and put a fan that is 25db quiter and moves 30CFM less air and I still went down 2-3*c on my Min and Max temps with AS5 Thermal Paste. And that's only after a couple of days. But it's on my old PC which is my wifes now. ASUS A8N32 Sli Deluxe S939, Atlon64 x2 4400+ (110w) and 2x1Gig Mushkin XP4000 3-3-3-8@2.65v. with a Super Talent 16GB SSD. She runs good too! I had my Water Cooling System on it and could boot into windows at 2.82GHz. not stable though. I projected my Attention to my Signature Rig after building it. But hers is fun to fill the gaps while waiting for stability results on mine! lol

When I started Lapping the thing, it had a couple of Huge Dips in it. I got rid of those with 320grit and then moved to 600, 1000 and finished quickly with 2000 grit. She looked great when I was done and it took maybe 1.5-2 hours MAX!
Edited by Mastiffman - 10/25/09 at 11:07pm
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post #1262 of 9641
Quote:
Originally Posted by Mastiffman View Post
1333Mhz CL 5 should be pretty easy. You might have to bump the CPU-NB to 1.4v and the DRam Volts a bit higher than stock but you should be fine to do that.... One thing that you have to take note of is that you CANNOT just set the Ram to 5-5-5-21 and be done...


It's a simple process and takes a few minutes with a few steps but you should do it real quick, right now and then report back.

Step 1. Boot into the BIOS, Set the Stock timings and voltage for the Ram on both DCT0 and DCT1 (fyi- DCT0= Blue slot and DCT1= Black slots, REBOOT.
Step 2. Into BIOS again, Bump the CPU-NB to 1.4v, Bump the Dram Voltage .05- .10V higher than Stock Volts, Lower the CL for Both DCT0 and DCT1 by 1 clock (i.e. From CL7 to CL6), REBOOT.
Step 3. Into BIOS again, Lower the tRAS on Both DCT0 and DCT1 down to 24, REBOOT.

NOTE: Do you see a pattern here? You can only change ONE setting at a time (But for both DCT0/ DCT1) and then you have to REBOOT. So do step #3. In this Order; Lower the tRAS by 2-4 Clocks per REBOOT until you reach the Desired Clock. (i.e.Starting at 32 tRAS, it would take 4 REBOOTS to get to 24 if done in 2 clock cycle increments or 2 REBOOTS if done in 4 Clock Cycle Increments) 2*4 reboots = 8 which 32-24=8. Next lower the tRP and then tRCD and then the CL again.

You will have to work your way down to 5-5-5-21 or whatever you want....

Let me know. I'm gonna be up for a while. I can help you with questions.
Well I've gotten it down to 6-5-5-15-20-1T @ 1.9v, I'll give the cpu-NB voltage increase a shot.

At the moment I'm working on the 4th core of my CPU. I've got her @ 1.36v. What is the typical voltage for a quad?

And I know why mine has the 4th core disabled. Once I enabled it, no core temps report. Although I can get an IMC reading, but it seems inflated. 48C @ idle seems kind of high.
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post #1263 of 9641
Quote:
Originally Posted by Mastiffman View Post
1333Mhz CL 5 should be pretty easy. You might have to bump the CPU-NB to 1.4v and the DRam Volts a bit higher than stock but you should be fine to do that.... One thing that you have to take note of is that you CANNOT just set the Ram to 5-5-5-21 and be done...


It's a simple process and takes a few minutes with a few steps but you should do it real quick, right now and then report back.

Step 1. Boot into the BIOS, Set the Stock timings and voltage for the Ram on both DCT0 and DCT1 (fyi- DCT0= Blue slot and DCT1= Black slots, REBOOT.
Step 2. Into BIOS again, Bump the CPU-NB to 1.4v, Bump the Dram Voltage .05- .10V higher than Stock Volts, Lower the CL for Both DCT0 and DCT1 by 1 clock (i.e. From CL7 to CL6), REBOOT.
Step 3. Into BIOS again, Lower the tRAS on Both DCT0 and DCT1 down to 24, REBOOT.

NOTE: Do you see a pattern here? You can only change ONE setting at a time (But for both DCT0/ DCT1) and then you have to REBOOT. So do step #3. In this Order; Lower the tRAS by 2-4 Clocks per REBOOT until you reach the Desired Clock. (i.e.Starting at 32 tRAS, it would take 4 REBOOTS to get to 24 if done in 2 clock cycle increments or 2 REBOOTS if done in 4 Clock Cycle Increments) 2*4 reboots = 8 which 32-24=8. Next lower the tRP and then tRCD and then the CL again.

You will have to work your way down to 5-5-5-21 or whatever you want....

Let me know. I'm gonna be up for a while. I can help you with questions.
Very good info im gonna try this...should i lower my NB down to 2400 if im gonna be at 1333 on my RAM?
post #1264 of 9641
Black,

I have quad. The 810 which only has 4Mb of L3 cache but when I unlock the other 2Mb of L3 for 6 total, mine does the same thing! 0*c for Coretemp and in Everest. I know that I only max out at around 43-46*c with the Cache unlock off. So I'm not worried about. I'm more worried about my NB and SB. Which I have 3k Rpm fans on... But as far as the Voltage goes for these quads.... Stock is around 1.35v so being that you unlocked yours and it's stable, you're fine. Threads say that early released chips for the PhenomII were only disabled to meet the realease date. I purchased mine about 2 -3 weeks after released. Later chips actually had weaker cores or cache that ended up disabled. But if it's prime95 stable at stock volts, you're golden brother!

Dir D,

You can if you like to start off, but you'll get better performance with it at 2600-2800Mhz. Remember, 1.4v on the CPU-NB
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post #1265 of 9641
One more thing on the timings process you two, boot into your OS every time that you lower your CL and run prime95 on Blend for a few minutes while you update us on the forum. Check some email at the same time. The reboot into the BIOS anf further progress.
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post #1266 of 9641
Quote:
Originally Posted by Mastiffman View Post
Black,

I have quad. The 810 which only has 4Mb of L3 cache but when I unlock the other 2Mb of L3 for 6 total, mine does the same thing! 0*c for Coretemp and in Everest. I know that I only max out at around 43-46*c with the Cache unlock off. So I'm not worried about. I'm more worried about my NB and SB. Which I have 3k Rpm fans on... But as far as the Voltage goes for these quads.... Stock is around 1.35v so being that you unlocked yours and it's stable, you're fine. Threads say that early released chips for the PhenomII were only disabled to meet the realease date. I purchased mine about 2 -3 weeks after released. Later chips actually had weaker cores or cache that ended up disabled. But if it's prime95 stable at stock volts, you're golden brother!
Ok, so yeah that's pretty good. I locked it back up just because I don't think the factory heat sink can handle a quad.

And I only ran P95 as long as the everest reported CPU temp didn't exceed 62C, as soon as it hit 63C I turned it off.

I wonder if mine is actually weaker or just has an internal short regarding the temp sensors.
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post #1267 of 9641
I was wondering what would happen to the lanes if I stuck a Perc i6 PCIe 8x card to a crossfire setup?

Would I get 16x 8x 8x or would I get 8x 8x 8x 8x ?
post #1268 of 9641
Nah, mine does the same thing. When the disable a core or cache it will do that. every now and then w3ith my Cache unlocked I will see Coretemp reporting a temp of 19-20*c and tehn it will slowly work it's way down to 0* within a cople minutes. It's really wierd.

Just so you know too... AMD chips have overheating protection. Which means that the CPU will shut down before it fry's itself. So as long as you're within your operating temp specs you;re fine. The thing that OCer's worry about temps so much for is because high temps can cause thermal resistence and cause instablility. That's it.

It's funny because I've it from people telling me that I'm ruining my chip and other hardware by OCing. but I look at it like this. Chips operaating at stock speeds, temps and voltage last what, 8-10years or more? OCing may or may not decrease the life span of the chip by a few years. my last build was in 2006 and I built this currect Box in the around the first quarter of this year. So who cares if I'm going to be upgrading in a few years max. It's not going to kill the CPU... Especially AMD's!

That's just My Opinoin though...

P.S. You Should be able to crank those Patriots to 1400+ with some tight timings... )
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post #1269 of 9641
Im checking stability of 7-6-5-16@1333 1.75v probably can lower the volts. This Ram will not i repeat will not go CAS6@1333 or CAS7@1600

Edit got an error on core 4
post #1270 of 9641
I worry about temps not so much for instability, but if a chip goes past the designated operating temp, it will kind of damage it and make it so as high of an overclock is not possible.
I've seen this happen first hand. I bought a 3500+ for the sole purpose to practice taking the IHS off of it. ANd when I put it back together, I didn't sand enough off of the heatsink bracket and it only made partial contact. Well it got pretty hot, even though I managed to shut it off pretty quickly, the damage was done.
Before that incident,it would clock as high as 3150MHz afterwords it was only able to manage 2950.

So thats the main reason I'm trying to keep the chip cool. Probably this coming weekend I'm going to make a custom bracket for my Big Typhoon and lap the CPU while I'm at it. I've noticed lapped CPU's report temps very similar to the coretemp. I'm sure that'll be enough to keep a quad cool
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