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[Official] MSI 790FX-GD70 Owners Club - Page 126

post #1251 of 9641
Quote:
Originally Posted by BlackOmega View Post
Well the RAM that you have is already running at a pretty good speed and it's timed better than factory.( Just out curiosity, what did you use to stability test? ) I don't think the ever so slight performance boost you might get from the faster ram would warrant spending an additional $100 on a new kit of ram well unless you're trying to achieve 1866 or more.
Yep I have to agree and I spend abour $200 on my ram. Really you dont need it unless,
1. You know your going to be limited by the ram in OCing
2. You just like OCing for the hell of it
3. You bench and want the 1-2FPS increase or 10-20 Point increase

The main reason why I got my ram was because I wasnt planing on upgrading from DDR3 for a long, long, long time so I thought "Heck why not get the best." . I dont know if really help me in overclocking at all though, I have gotten my 965 to boot at 4.0 Ghz but I did that just for a bench. So really its up to you if the ram at $100+ is worth it or not.
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post #1252 of 9641
I used memtest and prime95 blend for stablity..ill keep the ram but ive just heard of people getting down to CAS7@1600 on this ram on this mobo but i cant so it made me feel like i got some bum ram. Im not too concerned with the RAM though its the 965 im worried about and ill get that check out when i get my new coolong.
post #1253 of 9641
Dir D,

Check this out. it's with OCZ Flex EX2000 4GK.... Not bad but I can't get now where near on any BIOS past 1.4b3 Especially when cracking the FSB and CPU frequency Past 3.5GHz.
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post #1254 of 9641
Hey after which BIOS can I no longer (try to) unlock my 4th core?

Hey Mastiffman, that's a pretty nice OC on your RAM(lots of volts ). Is it memtest86 V4.00 stable?

@ 1600 I passed prime and another test with 6-6-5-18 timings, yet erred in memtest.
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post #1255 of 9641
Quote:
Originally Posted by Mastiffman View Post
Dir D,

Check this out. it's with OCZ Flex EX2000 4GK.... Not bad but I can't get now where near on any BIOS past 1.4b3 Especially when cracking the FSB and CPU frequency Past 3.5GHz.
That is some good RAM if im gonna Return this 965 i might return the RAM and pick that RAM up
post #1256 of 9641
Quote:
Originally Posted by dir_d View Post
That is some good RAM if im gonna Return this 965 i might return the RAM and pick that RAM up
Whats wrong with the 965?
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post #1257 of 9641
Black,

After 1.4b3 one has the ability to possibly unlock Cores and Cache on applicable Processors. To my Knowledge, one still has that ability to the latest Beta Bios. Thanks on the OC. I had to pump the volts to them like that to help support the CPU-NB being that AMD's Supported IMC speed is 1333Mhz. 1776MHz was pushing it quit a bit. I have had this Ram as high as 1840ishMHz. But not stable at all. Got into windows though... lol

Dir D,

I like the Ram overall. I especially like the fact that I can and do have them in my WC loop. it keeps them nice and cool. I tried them on air when I first installed them and I thought that they were going to burst into flames! So in the loop they went. Fine ever since. What I don't like about them is the fact that the recommended Voltage is 2.0v -2.05v. The timings I can deal with. I wish they had these modules on a low volt series.

One thing that I'm sure sopme don't know is that these AMD chips won't even post at anything higher than 1700-1706Mhz. You have to use the Overclock Stepping option in the BIOS to get into windows at 20MHz for step 2 and 40MHz for step 1 and after 30-50 seconds it will bring the OC back up to what it's set at in the BIOS....
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post #1258 of 9641
"Whats wrong with the 965?"

For starters it's 140w CPU which creates WAY to much heat!!!!
For two, Max operating Temp(s) is 62*c

The 95w er's have a max operating temp of 71*c

What that should tell OCer's is that one could start off at a hjgher stock CPU frequency but not achieve as high of an OC as a CPU (95w-er) that starts off at a lower CPU frequency but can handle much higher operating temps...

JMO though. )
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post #1259 of 9641
Quote:
Originally Posted by Mastiffman View Post
Black,

After 1.4b3 one has the ability to possibly unlock Cores and Cache on applicable Processors. To my Knowledge, one still has that ability to the latest Beta Bios. Thanks on the OC. I had to pump the volts to them like that to help support the CPU-NB being that AMD's Supported IMC speed is 1333Mhz. 1776MHz was pushing it quit a bit. I have had this Ram as high as 1840ishMHz. But not stable at all. Got into windows though... lol
One thing that I'm sure some don't know is that these AMD chips won't even post at anything higher than 1700-1706Mhz. You have to use the Overclock Stepping option in the BIOS to get into windows at 20MHz for step 2 and 40MHz for step 1 and after 30-50 seconds it will bring the OC back up to what it's set at in the BIOS....
Good to know that AM3's are that way. I wonder if some of the newer revisions will be able to handle the higher frequency RAM.

Reason I asked about the BIOS, is supposedly the newer BIOSes can handle the tighter timings better. That'd be awesome if I could run these sticks @ CAS 5.
I'm not sure I follow you on the Overclock stepping option thing. Although, I am fairly new to this board (AM3 overclocking in general) and haven't really messed around with it (other than the RAM). I'm not going to touch any of the CPU/NB functions until I get my lapped Big Typhoon on there. Coupled with the nice fan I have for it, it'll keep everything nice and cool.
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post #1260 of 9641
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.
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