Well if there was ever a company trying to keep dead technology alive, it would be ASRock. Sources at OCWorkbench claim that ASRock is looking to keep the heart of Socket 939 – replaced by AM2 in 2006 – still beating with a new motherboard based on the 785G chipset.
The 939A785GMH128M retains some of the features of the 785G chipset, such as integrated DX10 Radeon 4200 video and PCIe x16 2.0 with Hybrid Crossfire support, but supports only DDR memory. It also has the latest media outputs including HDMI and Optical Audio out.
Obviously the company is aiming to encourage consumers to recycle old hardware into a perfectly capable home theatre system, but with the explosion of incredbly cheap AMD dual core CPU’s and sub $100 Quad Cores, it does seem a little strange.
ASRock 939A785GMH128M Specifications
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Socket 939 for AMD Athlon™ 64FX / 64X2 / 64 processors
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Solid Capacitor for CPU power
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AMD 785G + SB710 Chipsets
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Supports Dual Channel DDR 400/333/266 with 4 DIMM slots, maximum capacity up to 4GB
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Integrated AMD Radeon HD 4200 graphics, DX10.1 class iGPU, Shader Model 4.1, Max. shared memory 512MB
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Integrated 128MB side port memory for iGPU
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Supports ATI™ Hybrid CrossFireX™
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1 x PCI Express 2.0 x16 slot (green @ x16 mode)
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Three VGA Output options: D-Sub, DVI-D and HDMI
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Supports HDCP function with DVI-D port
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Supports Full HD 1080p Blu-ray (BD) / HD-DVD playback with DVI-D port
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5 x SATAII 3.0 Gb/s, support RAID (RAID 0, RAID 1, RAID 10 and JBOD), NCQ, AHCI and “Hot Plug” functions
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1 x eSATAII Port
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PCIE x1 Gigabit LAN 10/100/1000 Mb/s
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ASRock Smart BIOS, OC DNA, OC Tuner, IES, Instant Boot, Instant Flash
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EuP Ready
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7.1 CH Windows® Vista™ Premium Level HD Audio (ALC888 Audio Codec)
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Windows® Vista™ Premium 2008 Logo Ready
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I/O Panel : 1 x VGA/DVI-D Port, 1 x VGA/D-Sub Port, 1 x HDMI Port, 1 x Optical SPDIF Out Port, 4 x Ready-to-Use USB 2.0 Ports, 1 x eSATAII Port, 1 x RJ-45 LAN Port with LED
Source: OCWorkBench
Tags: 785G, 939A785GMH128M, asrock, socket 939

September 28, 2009 12:14 PM
I think ASRock is run by chipmunks.
September 28, 2009 01:45 PM
If it is cheap I might try one out, slap a 3800x2 and ddr-500 2x1G redlines I have sitting around and I am set for another HTPC in the bedroom.
September 28, 2009 01:46 PM
whoo hoo, ill dig my 939 gear out of the dump lol. Should be pretty deep by now..
September 28, 2009 01:55 PM
Asrock kept socket 478 for a long time and I know many people were happy about that!
September 28, 2009 03:12 PM
Isn't ASRock part of ASUS? Nice to see that they're still keeping old technology alive. Now people who's running are completely satisfied with their Socket 939 system, but had the mobo die can save a bit of money by just switching out the motherboard instead of buying everything new.
September 28, 2009 03:12 PM
My game server/HTPC is running a 939 FX-60 dual core. This would be a much better motherboard then the NF4 Ultra I am using.
September 28, 2009 03:32 PM
I got plenty S939 chips here laying around from various (now)dead computers, would love to get some use out of them, as long as the MB is cheap! Think about it, nice, cheap(only the cost of the MB) game servers, htpc's, spare pc, etc, etc.
IMO, priced correctly, this is a brilliant(recycling) idea!
September 28, 2009 04:16 PM
I agree, this could be very useful. Would probably even do my mom's PC some wonders compared to the crappy MSI board with nForce 410 + GeForce 6100 chipset w/ HD3450.
Though at the same time, unless this board is like $50, probably be better off just moving to AM2+.
Still a great idea though and I must say, I like how innovative ASRock can be. Their AGP + PCI-E 939 boards back in the day were great too. They even had a slot to plug in AM2 CPUs with a riser card of sorts.
And I don't believe ASRock is part of ASUS anymore, they originally were but I believe ASUS dropped them.
September 28, 2009 05:26 PM
I fail to see the point of legacy support like this. It cant be anything but a money hole, and its not going to improve their reputation. If you want an AMD system its much easier to get a AM2+ system which will have significantly better support.
September 28, 2009 05:39 PM
If this board cost say $60 and someone has a computer that WORKS as they like... and their motherboard dies $60 is far cheaper than a new system all together.
September 28, 2009 08:16 PM
Put this on the market around $60 and I'll buy one too.
I suspect quite a few people have a S939 CPU, DDR RAM but with a dead motherboard.
System cost for just changing the motherboard is a lot less than MB/CPU/RAM if don't need the extra CPU grunt.
edit: but I'm disappointed to see regular capacitors - especially as I often see the ones around the RAM blown for systems that aren't heavily OCed.
September 28, 2009 10:14 PM
If this board cost say $60 and someone has a computer that WORKS as they like... and their motherboard dies $60 is far cheaper than a new system all together.
September 28, 2009 10:43 PM
An updated motherboard that lets people use their old CPU's and RAM to make a reasonably capable second box? What's not to like?
September 29, 2009 12:39 AM
omg, yes please.
giv'er
September 29, 2009 10:15 PM
*runs fingers along chin* hmm, these could make some budget upgrades for some of our older computers at our church...pick up some of these boards, some S939 procs...and they'll be decent for a few more years (only 3 out of 6 computers were built post S478 and have any kind of real proc...I dont count a celeron 2GHz as a real proc)
September 29, 2009 10:35 PM
Actually, this would be perfect for anyone looking to use their old 939 gear in an inexpensive HTPC. The board IS mATX.
October 9, 2009 07:48 AM
Anybody found one of these for sale yet?
October 9, 2009 09:13 AM
If this is $60 I'll buy one too. I have an old 939 system that had the board fail. If this board is cheap enough I'll use it as a replacement and find some kind of use for that system.