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overclocking my Opteron 148 CAB2E - Page 2

post #11 of 63
Thread Starter 
ok, i did what you told me (with top memory setting) and its running at 2.8 now and it seems pretty stable. i ran 3dMark05 and i only gained a 32 extra marks with 300 extra MHz

im running SuperPI now and going to run Prime95 after this. my CPU is running at 38-39C right now so no need for the big typhoon just yet

i think once i can confirm that its stable at 2.8, im gonna save these BIOS settings and try to go for the big 3.0! what settings should i be changing? can you kind of explain what the changes do instead of just telling me because i feel like i still havent learned anything. at least i know what the 2-3-3-7 for memory means now.

call me greedy, but i cant stop until i hit 3.0 with 8000 3dmarks, lol. sorry. unless my CPU wont let me. but an FX-57 is pretty badass though!



EDIT: ran SuperPI with no problems and im running prime95 now and my CPU at full load is about 42-45C. thinkin if i want 3.0 i should go for the Typhoon? i got a coupon for ZZF that expires today, so if you could get back to me with the settings it would be GREATLY appreciated. im gonna try and mess around with it myself as well.
    
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post #12 of 63
so do you know how far yo can get our ram before it becomes unstable, you might just want to loosen ya timings a bit on the ram because you are about to start overclocking it aswell. even give 2.5 3 3 7 a go, that should help the ram out to stay stable, you could up your vcore by the next minimum step (.025) whichever it is and push further towards the 3 gig mark! alwys remember that heat is the enemy so watch ya temps and keep it as cool as you can.
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post #13 of 63
Thread Starter 
ok, i loosened the timings to 2.5 and i upped the voltage to 1.425. i calculated that 3.0 GHz is about 273 x 11.

i tried upping my FSB to 260 with 1.425v and windows doesnt seem to load. is this my limit?

should i upgrade my CPU cooler before i try 3.0 GHz?
    
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post #14 of 63
reduce the multiplier to 10x and the HT/FSB Ratio to 3x.

set the fsb to 275 and use whatever mem. divider you need from there.

good luck
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post #15 of 63
Thread Starter 
i set my memory to 2.5 w/ 166 and 188 and had set the multiplier to 10x w/ HT/FSB to 3x and it wouldnt boot into windows
    
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post #16 of 63
Time for 3.0. This should work if your chip is capable of that speed. This voltage I'm going to recommend wont hurt a thing, if it boots, run prime95 for a while and check what temperature it sits at Peak..Gonna change your memory a little too...anyways, settings...

273 x 11
HTT x 3
VID control = 1.475
VID special = 113%
Memory voltage 2.7v (should be DDR volts or something, it's below the VID volts)
Memory timings 2.5-3-3-7
CPC enabled (1T)
Memory Divider "memclock" 166

This should work, I'm curious as to how you know how to change the memory timings....they aren't listed in that order in the bios..if you need help, let me know
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post #17 of 63
Thread Starter 
well..this is how im changing my memory settings:

u tell me 2.5-3-3-7, i set it as:

CAS Latency Control (Tcl): 2.5
RAS# to CAS# delay (Trcd): 3
Row precharge time (Trp): 3
Row Cycle time (Trc): 7

i put what you said in the last post and it wont boot to windows. im beginning to think that 2.8 may be the limit. maybe im not setting the memory correctly. is my memory good enough to handle 3.0? is that why its not booting up?
    
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post #18 of 63
your memory has nothing to do with the CPU speed. I could run 3.0 with the cheapest ram in the world if the CPU could hit that speed.
You are putting those timings in wrong....I'm gonna be right back with the correct layout...

here's the correct order
TCL = 2.5
TrCd = 3
Tras = 7
Trp = 3

Dfi has them a little mixed up, but that's normal...we usually refer to those timings as 2.5-3-3-7.
Try to leave everything else auto if possible, or if its already set to something that's fine.
Make sure you use the memclock divider of 166 also...put those settings in again and retest
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post #19 of 63
Thread Starter 
im assuming memory divider is DRAM Frequency Set. i have it set to:

166 (DRAM/FSB:5/06)

and the memory like you said, but its not booting up. i have my settings from the 2.8 GHz config saved in my BIOS and all i did was change what you mentioned above and no dice. boo. is my CPU too hot or something? almost considering in gettin the Typhoon, but i can run 2.8 fine right now.

ah...tytlyf. u have AIM/MSN or something? im constantly reloading this page every 5 minutes for your reply. lol.
    
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post #20 of 63
alright, go back to the 2-3-3-6 settings, but put them in the correct way..
leave everything else the same, except change that divider from 166 to 150..that should work.
You are changing your HTT multiplier right? Its listed as LDT/FSB multiplier, change that to 3

What's did your computer do when you tried my last settings, did it boot then restart, which screen did it get to before it restarted ?
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