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Gigabyte GA-990XA-UD3 & Phenom II 1090t Build

post #1 of 5
Thread Starter 
Hi

I am new to the forum from a writing perspective but thanks to all you guys and your previous knowledge, in previous posts I have finally finished my build. Rather than just take lots of knowledge I thought I might return some back (for what ts worth.... About as much as 2 pence give or take a penny!!!)

My build:
Gigabyte GA-990XA-UD3 (rev. 1.0)
Overclocked Athlon Phenom II 1090t (Black Edition) @4ghz
*Modified* Arctic Cooling Freezer Xtreme Rev2
Alpine 600w Silent PSU
Kuma Case (It was cheap)
VTX3d Radeon 6570 1gb GDDR5

I wanted initially to just build a machine that would allow me to sort my multitude of HD video for editing until I got the bug... and wanted to overclock smile.gif

First I ordered an Gigabyte 880GA-DA2 but changed my mind and bought the above motherboard. Silly mistake and hurt my pocket! sad-smiley-002.gif

Anyway the machine itself runs happily OC'd at 4ghz @ 50c... Thats with the Arctic Cooling Freezer Xtreme Rev2, which if adapted properly is an awesome cheap heatsink and fan... eek.gif

So what was wrong that needed to be sorted:
The Fan: This 12 inch fan spins at about 1400 however it dispatches as much air as an asthmatic gerbil after a run in the hamster wheel!
You cannot change the fan as it is custom made to fit the slot. However you can bolt on an inexpensive (£3.50) and quiet nice Zalman ZM-F2 PLUS 92mm fan onto the front to push the air through it. This brought the temps down a futher 4-5c.

The clamps: The clamps are fine but when i was building I noticed that when i applied pressure downwards the temps dropped upto 5c. Which led me to think the clamps were not doing their job correctly. On the Xtreme there are two metal wings which screw to the board connectors. By simply bending these slightly upwards, when the screws were applied it pulled it much tighter to the CPU.

Personally I cannot believe that Arctic would miss two very cheap and simple fixes to increase the coolers performace dramatically.

Anyway here is a screendump of my little beauty crunching away at Prime95.

The CPU is overclocked by purely the multiplyer as this was the simplist method. However I notice that A few of you use the FSB to overclock. Which is the prefered method and why?

Anyway I hope I have helped someone with my quest for power as many of you guys has helped me thumb.gif
Edited by Super6 - 8/15/11 at 10:38am
post #2 of 5
This is a great combination for HD video editing. Grats on the build! smile.gif and the overclock!
The 990XA is a great motherboard for running a 6 core processor with overclock with quality VRM setup and great features. I just installed mine and am about to boot up. I also manage the 990XA owners club in AMD motherboards, feel free to check it out smile.gif
post #3 of 5
I ran the same mobo/cpu combo for a while before switching over to SB. I was very happy with it. I havent had an Intel setup since the Pentium 4 days... As far as the overclocking goes, using the multiplier only only got me so far. I had to adjust other things to get to 4.2 stable. There's no way to teach someone how to do it, outside of the very basics. I assume you already have a good feel for those. Raising my NB to around 2600/2800 helped, but I've heard some combos dont like it. Also, be prepared to give the thing some juice. Downclock your ram to start with, then work on trying to get it back to stock later. I also sometimes overclock in reverse, starting at my set goals and then progressing downward until I find out what works. As far as your cooler goes, I'd shell out the cash for a new one if you're not happy with it. 2 places not to get cheap are your psu and cpu cooler. I hope this helps and if you have any more specific questions feel free to pm me.
post #4 of 5
Thread Starter 
Cheers for the advice, I will give it a go in attempting the 4.2ghz. I started then went back to 4ghz. I can get it stable at 4.1ghz for around 15mins of crunching then Core No2 gives up and the worker stops in prime 95. That is with the core at 1.51v so was unwilling to push it further.

As for the heatsink and fan, it was the best they had on offer at my local computer store so I went for it. Being a stubburn so & so I refused to just give up on it but I am more than happy with it now. With move to a better case and watercooled method in time (when the wallet is refreshed smile.gif )
post #5 of 5
Thread Starter 
Quote:
Originally Posted by xd_1771;14592950 
This is a great combination for HD video editing. Grats on the build! smile.gif and the overclock!
The 990XA is a great motherboard for running a 6 core processor with overclock with quality VRM setup and great features. I just installed mine and am about to boot up. I also manage the 990XA owners club in AMD motherboards, feel free to check it out smile.gif

Already checked it out. I actually used it to decide between that mobo and the 990FX. Great wealth of information you have there +1 to you...
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