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Overclocking Athlon II X2 240 - Asus M4A785-M

SithAce_I

SithAce_I

Junior Member
Just a quick check up from you guys on my first OC'ed attempt. This is on stock cooler too. Here is the spec's:

Core Voltage - 1.424
Core Speed - 3.36Ghz (stock 2.8)
Multiplier - 14x
Bus Speed - 240Mhz (stock 200Mhz)
HT Link - 2400
North Bridge - 2400 (stock 2000)

Just up'ed bus speed from 200 to 240 for these figures. It also changed my memory a bit too: (stock timings 4-4-4-12 -16)(DDR2 -800)

DRAM Freq. - 480MHz (stock 400MHz)
FSB/DRAM - 1:2
Cas Latency - 5
tRCD - 5
tRP - 5
tRAS - 18
tRC - 24
Command - 2T

Volts and Temps:

Vcore - 1.42
+3.3V - 3.31
+5V - 5.02/4.92
+12V - 12.15/12.22
CPU temp - 38/42 degrees Celsius (idle)
MB temp - 47/48 degrees Celsius (idle)

What I am asking is have I done anything wrong? Also I have had this set for over a couple of months now no problems so far. I have not put it under any stress other than playing The Force Unleashed 1 and 2. Any comments, suggestions, or questions always accepted!

Later J.
 
That is pretty much the same overclock I have on one of my X2-240s. Been stable for over a year. It could probably go higher but the motherboard wont let me raise the voltage. And I'm not sure I'd want to anyway. It runs very cool.

Command - 2T
Click to expand...

Might want to try 1T. I cant find the article but I do believe this would get you more speed even if you had to lower the memory ratio to get it.
 
I'm also running just about the same on an X2 250 system I built for mom. Bus is at 245MHz, Vcore at 1.42V, chipset and HT at 2450MHz. Idle temps around 25C, load under IBT and Prime maxing out around 52C on a Hyper 212.

Your settings look good, but what are your load temps looking like? Also I've found that the northbridge passive heatsink gets too hot to even touch, close to 80C, especially overclocked and overvolted. A fan on the case door fixed that though. You should be able to run 1T command rate like sm625 mentioned.
 
Well guys I've tested my set up as best I can with HAWX DX10. Max temps never got over 54 degrees CPU and 54 degrees MB on air and stock CPU cooler.

I also cranked up my GPU(4850 ATI) too:

Stock sets, core clk 625 - cranked 690 MHz
effective mem. clock 1986 - cranked 1195MHz
RAMDAC 400 - cranked 550MHz
 
Quick noob question guys...

How do I change the command rate from 2T to 1T in an Asus MB bios screen. I found that I can change clocks etc., but do not know how or which one changes the command rate. Any help is much appreciated!

Later J.
 
It should be in the same place where you set RAM timings like tCas and tRas. You usually need to set DRAM timing to MANUAL to get access to those settings.
 
I am familiar with what ya mentioned sm625, but there are no specific command rate setting fields as far as I can tell. i.e. there is no field for command rate just the regular tCas, tRCD, tRP, tRAS, tRC etc. for both individual memory sticks. Any thoughts?
 
Just an update...bumped CPU to 3.4GHz on air and have been playing Star Wars the Old Republic for hours with CPU/MB temps no higher than 52 degrees Celsius.
 
Its funny how my gigabyte MA69GM-S2H motherboards will let me change the command rate (T1, T2) but I cannot change the voltage. It would certainly be nice to be able to change the voltage because my chips cannot go beyond 3.3 GHz at stock voltage.
 
Ya I would like to change the voltage but the MB won't let me. Just changed the multiplier to 245. And I can't change my command rate either. Oh well!
 
It's to bad you can't turn the volts down,but you should hit 3750-3800 easily with 1.42.And my first post is wrong i was running 270(memory would go to 275 before i had to back off the timings) x 14@1.4 and i think the NB was 2430 with stock volts
phenomMsrtweaker will let you adjust the voltage in windows in fact that's how i got 1.4.My board would give me 1.475 when i set it to 1.4 so i had to boot at 1.425 and let phenommsr set it to 1.4
 
Last edited:
sm625 said:
Its funny how my gigabyte MA69GM-S2H motherboards will let me change the command rate (T1, T2) but I cannot change the voltage. It would certainly be nice to be able to change the voltage because my chips cannot go beyond 3.3 GHz at stock voltage.
Click to expand...

you sure it's not your memory holding you back
 
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