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Old 12-30-10, 10:10 PM   #25
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Default Re: ASROCK's new socket 939 motherboard

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Originally Posted by Treason View Post
I know there's half a dozen members here who must still be interested in using their old socket 939's. I found an e-retailer on ebay who is selling these motherboards, but it's the older but better 939A785GMH/128M (HD 4200 instead and with 128 MB sideport memory). Like the 939A790GMH, it is aimed at the European market.

http://www.asrock.com/mb/overview.as...39A785GMH/128M

http://cgi.ebay.ca/Carte-mere-939A78...item1e5bf95427

Pricey, but I fear this may be the last we hear of socket 939.
Honestly not worth it imo.

I mean, considering the performance you can get for comparable prices...

Well, I guess if you have all the parts and just need a mobo it's worth it. Otherwise, a new build from the ground up offers more for your dollar.

All imo, of course.
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Old 12-31-10, 01:13 AM   #26
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Default Re: ASROCK's new socket 939 motherboard

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Originally Posted by NCoastTweaker View Post
I took the 5850 and tried it out in a friends pc... AMD QUAD CORD 3.4 ghz with DDR3 mem..
The Unigine benchmarks were no faster than on my dual core system. I did some comparisons on my scores.. so tell me man... where is this bottleneck your talking about?
I don't see it... I believe that the 5850 may be slightly contrained but I would think it has
more to do with the DDR memory bandwidth as opposed to CPU... Anything over 2.5 ghz (dual core) seems to be fast enough cpu wise for this entry level HD5850 version..

My unigine scores hold up quite well against quad core amd platforms with the same card.
The bottleneck is in moderately to heavily CPU limited games.... Bad Company 2, America's Army v3, likely Lost Planet 2, RE5... heck I love 939 systems, I built two when they were past their prime in '08.... you do have me wondering though if these games are more memory bandwidth, or CPU dependent...
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Old 01-01-11, 04:48 PM   #27
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Default Re: ASROCK's new socket 939 motherboard

good only if you have the parts still lying around. I still have an Athlon 64 3500 and 2gb of DDR600, I wonder, Heck i even have a PNY 6800GT AGP card lying around. I could build a retro 2005 rig for ****s and giggles
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Old 03-07-11, 09:39 PM   #28
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Default Re: ASROCK's new socket 939 motherboard

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Originally Posted by ragejg View Post
The bottleneck is in moderately to heavily CPU limited games.... Bad Company 2, America's Army v3, likely Lost Planet 2, RE5... heck I love 939 systems, I built two when they were past their prime in '08.... you do have me wondering though if these games are more memory bandwidth, or CPU dependent...
Yeah your probably right.. little ole dual core just can't keep up with some of these cpu intensive games... (WOW for example) The mem bandwidth seems to matter more for the ddr mem than it does for some of the faster ddr2 and dd3 mem.. I will tell you that mem latency made a difference (though it was slight) in FPS rates.. In my dual core systems... tighter latencys pushed to max fsb timings seemed to yield higher overall performance over higher fsb's at higher latencys.. I got better scores at 220fsb at 2-3-2-6 than at 250fsb at 2.5-3-3-8

I ended up putting an FX-60 skt939 and an XFX-HD6870 vid card on the 939A790GMH mobo with some OCZ plat ddr400..and a corsair tx-650 psu. I OC'd the FX-60 slightly to 2.85 ghz. This system runs decent but the cpu / mem is still underpowered by todays standards..

I have another system with a 2.4 ghz amd toledo and a NF4 (MS-7125 PCB V3.0) mobo with a passively cooled chipset heatsink.. called a K8N-NEO4H with XFX 5850 video card and have oc'd the Ballistix mem to 250mhz ... 250 x10 @ 2500mhz. The additional bandwidth for the mem did help to pull a few more FPS but nothing night and day dramatic..

I still feel that the 5850 / 6870 cards are a good fit for these mobo cpu mem combinations. I do not see anything in my gpu benchmarks (mostly unigine / 3dmark06 / 3dmark Vantage) showing the CPU / MEM constraining the video cards to an excessive degree when comparing these cards performance in a 3.4 ghz quad core ddr3 mem system. (both of my xfx video cards are PCI-E ver 2.0 but the NF4 mobo only supports ver 1.0a. You'd be hard pressed to tell the difference though..

I would have thought 250mhz per lane vs 500mhz per lane difference in the PCI-E slots would show a huge performance gain, but from what I've seen that is not the case.. at least with the 5850 and 6870 running in a dual core with ddr mem.)

Both my skt939 Win 7 x64 systems run neck & neck.. (I have oc'd the vid cards too.. and they both still run real close.. the 5850 pulls higher peak FPS than the 6870 on unigine 2.1 but I don't have the scores stats avail..5850 did 99fps peaks 6870 only did 76fps peaks)

I was able to get a higher video card oc with the 6870 due to the newer chipset in the 939A790GMH mobo (can run MSI afterburner -beta - and AMD overdrive for cpu mem, plus the 6870 is a reference card with stock Voltage regulators where the 5850 that I have is non reference so I can't tweak the voltages with software.)

I clocked the 6870 at 980mhz / mem at 1150..at 1.275v... anything higher than 1150 on mem and it would become unstable.. even at 980/1150 it would get wiggy after 15-20 min.. I plan on trying out one of those entry level water cooling solutions next on the FX-60. (the cpu runs at 55 degrees C under load on air using a zalman copper 9500 hsf..)

So.. is using a dual core cpu to power a gaming rig a good idea? .. no..
is it fun seeing how far you can push one? .. HELL YEAH!

I am now going to reload the OS and build me an HTPC (I have the hauppauge WinTV -2250 dual tuner card) After I beat the snot out of the system I loaded it up with the tuner card and took a run at WMC-12 - It worked ! I can do one click records from Media center from a built in program guide using my TWC cable.

Also downloaded MPC-HC and played around with the post-processing functions.. they do clean up the picture.. The HD6870 and HD5850 are perfect cards for mid-range HTPC dual core or quad core..
(since I'm still in the land of skt939, dual core is as high as I can go)

Its still kinda quirky though.. (damn thing blue screened on me the other day when I was goofing around with the tuner.. Plus I can't get QAM HD channels to work correctly... so I'm gonna reload the OS and try it again from scratch... but this time no suicide OC runs on this build..)

I've dinked around enough with these things... time to put them to work in my HTPC setups.. I think that the HD5850 and HD6870 vid cards will make for a good fit for HTPC and still have enough oomph to play most video games decently too...

I was pleasantly suprised at how well these cards performed at gaming in a modestly powered dual core rig. (I need to get some more of those asrock mobos for my other 939
cpus .. I can't believe how well win7 x64 runs on them.. I get WEI scores of 5.5 - 5.8 ... not bad for dual cores) I did try 3d on my system but it ran horribly.. I guess thats too much to ask from a dual core system.

My next project is to replace an old ATI X800XT AIW with an HIS 4670 turbocool on an NF3 agp mobo. I hate to get rid of the old All-In-Wonder but x800xt cannot help out the AMD 4800 dual core when playing back .ts container files.. the cpu gets nailed..no hardware acceleration...

my kids 4600 cpu with an xfx 4650 can play them back no problem on agp...thx to video acceleration.. but the 4650 did fork up the audio on his computer .. I had to disable the hd audio interface due to excessive cpu utilization.. (20-30 %) at idle.. it was weird.. The xfx-4650 did not have an HDMI output.. just two dvi's and and a 10 pin din connector for s-video / component video out plus analog L+R. I bought a SB Audigy 2z soundcard off ebay and ended up using the SPDIF output on the external i/o module instead ..

I am hoping the 4670 does not cause the same issue. It does have an HDMI output so I am hoping it can get the job done. I can always fall back on the s/b x-fi elite soundcard if
the hd audio goes bonkers..
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Old 03-11-11, 03:16 AM   #29
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Default Re: ASROCK's new socket 939 motherboard

Three motherboards just popped up on ebay. However, the 939A785GMH is only available from one retailer who is selling at an inflated price every time it puts it up on ebay.
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Old 03-11-11, 08:44 AM   #30
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Default Re: ASROCK's new socket 939 motherboard

I'm sorry, but with the ASRock M3A770DE as cheap as it is + the Athlon II X2/X3/X4 chips as cheap as they are + DDR3 being dirt cheap, I see no reason for the existence of this product.
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Old 03-11-11, 08:49 AM   #31
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Default Re: ASROCK's new socket 939 motherboard

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Originally Posted by Intel17 View Post
I'm sorry, but with the ASRock M3A770DE as cheap as it is + the Athlon II X2/X3/X4 chips as cheap as they are + DDR3 being dirt cheap, I see no reason for the existence of this product.
There's s till a lot of Socket 939 CPUs and DDR1 laying around. Why let them all go to waste when they're plenty capable for everything up to hardcore gaming?
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Old 03-12-11, 11:09 PM   #32
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Default Re: ASROCK's new socket 939 motherboard

I just ordered one for $127 US shipped from a British e-tailer on eBay.
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