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Item#: N82E16813182158

SUPERMICRO MBD-X7DCA-L-O Micro ATX Server Motherboard Dual LGA 771 Intel 5100 DDR2 667

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  • Dual LGA 771
  • Intel 5100
  • 6 x 240Pin

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

X7DCA-L Server Board is designed with the utmost attention to detail to provide you with the highest standards in quality and performance.

Learn more about the SuperMicro MBD-X7DCA-L-O

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 3 years
  • Read full details

Customer Reviews of the SuperMicro MBD-X7DCA-L-O

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  • Sean G.
  • 9/29/2010 12:13:25 AM
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsMini Mac Pro...

Pros: Bought this board to replace a crippled Tyan board. It delivered. Nice little board with very impressive capabilities, especially for its form factor.
-Free case w/ mine.

Cons: -Northbridge heatsink is Okay at best while in a workstation scenario. Easily remedied with a copper chipset cooler and some Arctic Silver.

-RAID controller is a bit buggy. Might flash older bios to see if it was just an issue with most recent version.

-VGA Jumper, Not really a con for most people, but made me think that the PCIe slot didn't work when I tried booting. however after RTFMing, I found it. My old x7dae and tempest i5100w did not have this so I didn't think to look for it.

-the free case that came with it is a little too small for the board once it has the CPU sinks on them, but that is fine since I had a case already.

Other Thoughts: -Running windows 7 Ultimate x64 and OSx Snow Leopard 10.6.4.
-2x Xeon e5405's @ 2GHz
-Squeezed into an antec 300.

So far my favorite workstation yet.

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  • Yuan P.
  • 5/19/2010 6:52:23 PM
  • Ownership: 1 day to 1 week

1 out of 5 eggsDead with frustration

Pros: Inexpensive, if it works

Cons: - Unreasonably slow POST
- A heat sink is too close to the 24 pin power connector

Other Thoughts: I bought this board last March but I just had the time to work on it a few days ago. I have not got a chance to load any software yet before it was dead.

- powered on, okay, took unreasonably long to see the POST
- enabled "virtualization" in BIOS, powered off and on, then no screen, no POST, no beeps, but the power is fine
- powered off, removed and reinstalled the battery, then no screen, no POST, no beeps, no power, no nothing
- took the board out of chassis, with the processors and memory on, connected psu, used a screw driver to short the power switch pins. no power, no nothing.

Contacted SuperMicro, was told it was out of warranty, had to pay $120 to get a cross-ship replacement (refurbished).

I bought this board at $350 on year ago, it's just burned like that...

0 out of 1 people found this review helpful. Did you? Yes No

  • Anonymous
  • 1/11/2010 11:18:04 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggs6 months evaluation (see my review of 6/6/2009)

Pros: First, a little context: OSX 10.5.7 machine, dual-boots to XP64, latest BIOS, eVGA GeForce 8400, 12GB RAM, no OC'ing at all, 4 x 10,000 rpm HDs, M-audio Audiophile 2496 PCI, used as a multimedia/DAW. No Snow Leopard, but will try soon.

Logic 8 runs on par with Mac Pro with 12GB RAM. STABLE! No panics ever (after initial OSx86 install). Display responds effortlessly. Quiet despite Supermicro CSE-733TQ-645B Case (adjusted fan speeds in BIOS). Runs cool with stock fans (29-37C). Never max out CPUs (at most 66%). Using high-end orchestral samples, usually 30-40 tracks while recording to disk (<1500 voices at times). Latency: 13.34 ms. No clicks at 44100 Hz.

Also Sibelius 6.1, Kontakt 3.5, Garritan Strings, Dan Dean wind sample sets, while recording to disk: clean as a whistle. Display responds effortlessly.

VMware Fusion 2.0 runs with 3 instances of XP64, each ripping a DVD ISO while simultaneously crunching some bloated AVI down to size. Surfing, playing mp3, etc on Mac side (60

Cons: Minor OSx86 incompatibility annoyances:

sleep doesn't work; I turn off screensavers/Energy Saver, etc., too,

can't use a KVM switch (won't find monitor during boot up and hangs),
so I use a 2nd keyboard/monitor/mouse just for it,

some Finder mouse behavior missing (eg. drawing selection boxes, etc) but no problem doing so in applications,

some Finder key combinations missing (eg. using CMD-delete to send a file to Trash, or using ALT as OPT though often ALT works in applications), yet again there's no problem with odd keyboard behavior in applications, etc,

a 2nd Finder window will close when dismounting a drive, etc,

networking with XP32 machines at 100Mbit isn't too zippy, but then again I didn't buy any new hardware; just added the hackintosh right into what I had; Internet (HTTP, NNTP, FTP, etc) OK, but not super fast (as most know, that doesn't depend upon CPU/RAM a lot anyway).

There are no deal-breaker annoyances.

Other Thoughts: Typically, I just leave it on. Often the rendering/AV work takes all night pumping at <50% CPU while utilizing 80% RAM characterized as "wired"/"on-line" by Leopard OSX. Again, cool as a cucumber.

Maintenance/optimization software like Xupport works perfectly. Burns DL DVDs like nobody's business when I need it (8 min total). Boots off from Drive Genius DVD to allow boot drive duplication (best way to handle boot drive restore; I don't bother with Time Machine). There have been no application/utility incompatibilities to speak of.

I use a VGA monitor at home, but I've used DVI at a friend's house for display.

I haven't tried digital non-linear editing softeware yet, but my guess is this would eat that up, too. (Afterall, it pushes some Logic with ease!)

Considering how easy it was to set-up (as detailed in my first review), what with OSx86 Tools and all the community support, once I test out a Snow Leopard install it will be time for me to add this one to the OSx86 HCL.

2 out of 4 people found this review helpful. Did you? Yes No

  • Dr O.
  • 11/13/2009 7:30:12 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsNice board

Pros: stable board & affordable

Cons: only supports 16GB

Other Thoughts: good board. I'm using it with Server 2008 Datacenter hosting multiple Hyper-V guest with no problems. In hindsight I would buy a board that supports more than 16GB.

0 out of 3 people found this review helpful. Did you? Yes No

  • Henry L.
  • 11/13/2009 6:46:28 AM
  • Ownership: 1 month to 1 year

5 out of 5 eggsKeep it up

Pros: Using on VMware Vsphere 4. Works eggcelent. Boot up has some delay, but not any more the the intel server boards I use. Super Micro has impressed me thoroughly. I hope they keep it up. Fast Fast board.

Cons: I can't afford more.

Other Thoughts: I will be replacing all of my Intel server boards with super-micro. Great job guys.

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  • Steven P.
  • 6/20/2009 12:39:15 PM
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsGood Board

Pros: Great price for a dual socket board.

Have used with E5410's and also E5420's, in both cases the board performed superbly.

Cons: Not a standard uATX form factor. It's larger, and not all screw holes line up properly. Had to McGuyver the case a bit to fit it in a 4U uATX chassis..

Eternal POST time, Every time I turn it on, I think it has broken. You have to wait a very long time for it to acknowledge that it has been turned on. Once done though, the actual boot time is great.

Other Thoughts: Both servers I have built with this are running Linux flawlessly. For the first I got a shallow 4U case, for the second I got a deeper one, I recommend getting a larger case, as the stated form factor can be a bit misleading.

2 out of 2 people found this review helpful. Did you? Yes No

  • Anonymous
  • 6/6/2009 1:27:15 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsXEON on a budget

Pros: Quite stable with WinXP 32-bit and 64-bit (haven't tried other WinOS). Not bad with OSx86 (Kalyway/EFIStudio/MysticusUpdatePatchesIOATAFamily kext). Hated to give up the fine on-board VGA, but ended up using an eVGA GeForce 8400 GS 256MB (low end, but will run Logic just fine with the EFIStudio QE/CI fix). LAN worked right away; I didn't try the on-board audio but disabled it in favor of an M-Audio Hi-Fi card (fully supported with Envy24.0.19.0 driver). I removed the back-plane card from the SUPERMICRO CSE-733TQ-645B Case and connected SATA directly. The SAMSUNG 22X DVD Burner Black SATA Model SH-S223F works perfectly; burns DVD+R DL just fine with Toast or Nero.

Relatively easy installation for those who have done a couple. Pretty snappy despite the older chipset (memory prices are pretty cheap, too, over at Kingston). Overall, so far so good for the budget conscious. Bought everything on NewEgg!

Cons: Besides the board being slightly larger than standard (I went with a SUPERMICRO CSE-733TQ-645B Mid-Tower & Workstation Server Case), the lower-right corner of the board has a non-standard place for a stand-off. SuperMicro email tech support assured me the stand-off was unnecessary, and they were right, but without it the corner where one connects all the wires is unsupported. Care must be taken not to flex the board too hard.

Quite a few issues with booting from a Kalyway DVD, but installation IS possible. Besides the required USB mouse and keyboard, a PS2 keyboard must be connected to press F8 at boot; and unless a PS2 mouse is also connected the boot from DVD will hang. Just had to finagle and re-try about a dozen times before I got into the installer. (Of course, installing to a 10,000 RPM SATA drive didn't help.) Nevertheless, even now on occasion OSx86 hangs at boot and I still have to power-off, un-plug the power (to clear memory), and boot into BIOS/save/exit/reboot.

Other Thoughts: Why only four eggs? No internal or external FireWire port(s), kinda skimpy on expansion slots (could have used another PCI slot for legacy hardware), slight issues with my faster drives (repeated OSx86 DVD booting to get into installer, occasional need to disconnect power to clear memory and then enter into BIOS/save/exit/reboot), need Kingston KVR667D2S4P5K2-4G kind of DDR2 667 memory to avoid a "gotcha" with populating the DIMM slots (luckily it was cheap), and unsupported corner.

1 out of 1 people found this review helpful. Did you? Yes No

  • Anonymous
  • 5/9/2009 4:51:28 AM
  • Ownership: 1 week to 1 month
  • Verified Owner

2 out of 5 eggsBad Board

Pros: Form factor, general board layout

Cons: First, a basic design flaw, the CD header is too close to the line in which a video card sits in the x16 slot - you have to bend the hell out of it to make a good size video card fit (GTX260 in my case).

Second, my board posted out of the box. VERY SLOWLY. I'm talking 15-20 seconds to even display anything on screen. No way I could find to speed this up, like other reviewers.

Finally, the on board SATA connectors were bad. Was offered very basic technical support via Supermicro email (To their credit they did try and call, but couldn't get our times right).

Other Thoughts: I'm sure this board is a beast when a) it's operating properly, and b) once it gets booted up. However, it's slow boot times and the fact that my new board was bad leaves a very bad taste in my mouth about this one. I give it 2 eggs only because of the help Supermicro did try to provide.

1 out of 3 people found this review helpful. Did you? Yes No

  • Jason G.
  • 4/15/2009 12:13:50 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsWon't fit!

Pros: I don't know

Cons: Will not fit into a standard 12X13 EATX case! The CPU heatsink holes don't line up, and the power cord won't reach where the power connectors are on this.

Other Thoughts: I gave it 4 eggs because I don't want to drag it down too much over something like this, but it's definitely something to be aware of.

1 out of 3 people found this review helpful. Did you? Yes No

  • Anonymous
  • 3/28/2009 9:18:50 AM
  • Ownership: 1 week to 1 month

5 out of 5 eggsGood MOBO

Pros: Love the two CPUs and the 6 ram slots. Good chipset.

Cons: Wish it had PCIe x16 2.0 so that i could have put a ati4850x2

Other Thoughts: Make sure that your power supply has a 24pin and 8pin cpu like this one Item#:N82E16817152028

1 out of 3 people found this review helpful. Did you? Yes No

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Item#: N82E16813182158
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