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Whatever happened to mDTX?

post #1 of 4
Thread Starter 
There should be a general motherboard forum, but AMD created DTX, so...

For what it does, mITX is a nice form factor. However, at best you get two PCIe slots: one x16 slot for a GPU (or perhaps RAID card if you're making a server) and, assuming Gigabyte or ASRock or whoever was nice, a mini PCIe slot intended for integrated WiFi. At best, for a mobile LAN rig, you can get an AMD APU (A10-7850k in a couple months) or an i7 non-extreme (so a 4770k) and a dual GPU, either a 7990 or 690. The problem is, if something is mobile, then a DAC won't be the best option and you're left with integrated audio. Maybe you can find a mini PCIe audio card, but there's such a slim set of choices (trust me, I've been trying to find half-height USB 3.0 cards and have found nothing) and no big name brand really uses that form factor. I suppose an adapter is possible? Even for something simple, like an HTPC, you can get a sound card but need to rely on whatever graphics are integrated. AMD's are usable, but Intel's drivers are awful and the iGPUs only get good at the i5 level.

Mini DTX is essentially mITX but 1.3" taller, allowing for a bit more in the way of things like USB headers, for example, and an additional PCIe slot. Maybe it can fit another two DIMMs too? That means you get a good dGPU, an audio card, and, assuming a mini PCIe slot is available, WiFi, all internally. I guess you can argue that mATX does much of the same things, but I'm not sure where the harm in another standard (that is backwards compatible with ATX) existing is. All you need is a case with three expansion slots. Either you have mDTX with a dual-slot GPU or you have mITX with a triple-slot GPU.

Why did DTX never take off? Was it just too similar to the already-established mATX to take hold, or did AMD screw up their marketing? It's an open standard they said, so Intel would be free to use it (at least I assume - it is "open" after all) instead of mITX. SFF builders, enlighten me please and tell me whether or not you'd buy mDTX if it were offered. I know a lot of the fun and challenge in mITX builds is working around the limitations.
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post #2 of 4
I would buy mDTX. Problem is sometimes it's encroaching on the foot of mATX cases a lil bit (3slots) tongue.gif

Why it flopped because people will tell you "It's AMD"

But also AMD couldn't support the platform more because what could you have from mDTX during the era of mDTX from AMD? Nothing I think.
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post #3 of 4
 
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post #4 of 4
It was an AMD standard.

However:
1) AMD did not and does not have a huge maketshare to push the standard
2) The standard is not different enough to warrant adoption.



Pushing standard like form factors is hard. Even Intel could not push the defunct BTX standard.

Once again...
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