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M4A785TD-V EVO Catastrophe

post #1 of 6
Thread Starter 
So, let me begin by saying that I have never overclocked and after this experience I am unlikely to make a second attempt. I tried to go by the advice of a guide by someone, I can't find the link because I'm posting from my GF's Macbook Pro mad.gif

Anyway, I'll start off with my pertinent equipment:

Mobo - ASUS M4A785TD-V EVO
RAM - GSkill Ripjaws (1600 MHz) F3-12800CL9D-8GBRL
CPU - AMD Athlon II x4 640 (3000 MHz)

And I got one of those Loki push/pull coolers on my CPU, always kept below 50 C even when I ran at 3.5 GHz for all of 10 minutes.

So, I follow this guide says to start with the RAM, I see in BIOS that the RAM doesn't run at factory settings but at some goofy settings. Thusly, restoring all else to "auto", I set the RAM manually to 9-9-9-24-40-2, 800 MHz, and 1.7 V as prescribed by the good people here at OCN. I also set the NB to 1.2 V, and the CPU to 1.4 V because that's what the guide said. Run Prime95 on blend with the RAM allowance set to most of the free memory indicated by Task Manager.

****s the bed in about ten minutes.

I start turning off stuff I don't need in BIOS, like the internal GPU.

****s the bed in fifteen minutes.

I saw that someone that got my RAM to run stable at 7-8-7-20-30-1 timings at 1600 MHz. So I tried that, plus bumped my NB to 1.25 V.

This is the event that led to me posting on a overclock forum from a Mac. When I power up my computer:

  • Fans and lights turn on
  • Disk drives act normally
  • Absolutely nothing else

I noticed that my rig no longer goes "beep" when I turn it on, which was my queue to start spazzing out on DEL to correct my mistakes. I'm going to try to boot up tomorrow since I've been putting my rig through hell all day running Prime95 and trying to make my RAM work as intended, but I'm just about certain I've broken either my mobo or my RAM (kinda hope it's my mobo, that BIOS blows).

I know I can get my data back, that just takes a trip to my buddy's house. What I would like to know is: based on what I did to my computer, what did I most likely break?

Thank you for any help you can offer me.
post #2 of 6
Have you tried to reset the cmos? Just sounds like you changed something like a dram timing that the system didn't like. So its probably hung once you turn the machine on. You would know because there would be no hard drive activity from it loading Windows (either solid LED, or nothing). I would reset the cmos and start over again, that's how it works in the world of overclocking. Thank god my Exteme6 has a cmos reset button on the back I/O.
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post #3 of 6
dude dont give up. As stated above, reset your CMOS. It will set everything back to stock. Dont follow someone elses guide spec for spec because each piece of hardware has different capabilities. Some chips just cant overclock as well as others.
post #4 of 6
Quote:
Originally Posted by chaosdruid View Post

I saw that someone that got my RAM to run stable at 7-8-7-20-30-1 timings at 1600 MHz. So I tried that, plus bumped my NB to 1.25 V.

This is the event that led to me posting on a overclock forum from a Mac. When I power up my computer:

You should try leaving the RAM at 8-8-8-24 2T. See what the lowest stable CPU voltage is then try to OC the RAM.
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post #5 of 6
Thread Starter 
Oh my God! Thank you. I was absolutely sure this was just a $150 mistake, which I was fine with. I've certainly learned more expensive lessons in the past tongue.gif

Anyway, now that it's not broken I'm totally determined to get this to work. As I said before, I'm having trouble getting the RAM to run manufacturer, any timings I've tried have been posted by people with my RAM. I've just been search my part #s on these forums to try to get answers about why I'm not getting stability.
Quote:
Originally Posted by subzer0 View Post

You should try leaving the RAM at 8-8-8-24 2T. See what the lowest stable CPU voltage is then try to OC the RAM.

I'll give those timings a try. Any ideas why I'm having such trouble getting it to run at 1600 MHz? I've been reading about this stuff for weeks and I saw these RAM dividers. I realize that this is DDR2 and so not really useful for my rig but what should my guidelines be to making my RAM and Bus sync up well? (can't do anything to multipliers when I finally get to the fun stuff)
post #6 of 6
If it can be set in BIOS than It should run at 1600 MHz but you might have to use the XMP specified timings listed in the SPD of CPU-Z. I would try using 8-8-8-24-37 2T with 1.6V. The locked multi could limit the choices of ratios you can use like on the chart.
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