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Author Topic: Help me pick out a mother board  (Read 1286 times)
pokermon919
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May 23, 2011, 04:26:55 AM
 #1

Need some help picking out a cheap mother board that will take 3 5870s or 2 6990's and a 5870.
Trying to go the most economical route. Seen alot of recommendations for the MSI 890FX-GD70 but I would like to pay less than that if possible for the amount of cards I'd like to run.
Thanks all and I love the helpful community here.
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SchizophrenicX
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May 23, 2011, 04:34:10 AM
 #2

Hi pokermon919, maybe you'll like to head over to my threads and take a look. I've been getting a lot of help from the forum and the people here and now I'd like to help too.

Hope you find what you need.

grndzero
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May 23, 2011, 04:42:19 AM
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http://www.newegg.com/Product/Product.aspx?Item=N82E16813157207

If you want it cheaper than that you're going to have to wait until they sell an open box one or go with PCI-E extender cables.

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pokermon919
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May 23, 2011, 05:04:42 AM
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grndzero, I can throw 3 5870's on that? Sorry I'm total hardware noob, I just get my friend to build everything, but he's not into the bitcoin thing so I have to do the research myself.
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May 23, 2011, 05:08:10 AM
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grndzero, I can throw 3 5870's on that? Sorry I'm total hardware noob, I just get my friend to build everything, but he's not into the bitcoin thing so I have to do the research myself.

Yes, also make sure your power supply is big enough.
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May 23, 2011, 05:54:44 AM
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http://www.newegg.com/Product/Product.aspx?Item=N82E16813130290

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jak0b
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May 23, 2011, 08:00:11 AM
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http://www.newegg.com/Product/ProductList.aspx?Submit=ENE&N=100007627+600041402&QksAutoSuggestion=&ShowDeactivatedMark=False&Configurator=&IsNodeId=1&Subcategory=280&description=&Ntk=&CFG=&SpeTabStoreType=&AdvancedSearch=1&srchInDesc=

Criteria is 3x PCI-e 2.0 x16 (to get the right sockets)

Pick your "flavor", and avoid boards with on board video chipset.  Smiley

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grndzero
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May 23, 2011, 03:41:30 PM
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grndzero, I can throw 3 5870's on that? Sorry I'm total hardware noob, I just get my friend to build everything, but he's not into the bitcoin thing so I have to do the research myself.

Yes, the blue slots on the board are the slot type you want for those video cards. They are evenly spaced so that each video card that take 2 slots each will use the slot of the slot with the white connector.

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May 23, 2011, 05:30:58 PM
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grndzero, I can throw 3 5870's on that? Sorry I'm total hardware noob, I just get my friend to build everything, but he's not into the bitcoin thing so I have to do the research myself.

Yes, the blue slots on the board are the slot type you want for those video cards. They are evenly spaced so that each video card that take 2 slots each will use the slot of the slot with the white connector.

Also, make sure case has enough slots to use all the (blue) slots on the motherboard.
grndzero
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May 23, 2011, 05:44:10 PM
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grndzero, I can throw 3 5870's on that? Sorry I'm total hardware noob, I just get my friend to build everything, but he's not into the bitcoin thing so I have to do the research myself.

Yes, the blue slots on the board are the slot type you want for those video cards. They are evenly spaced so that each video card that take 2 slots each will use the slot of the slot with the white connector.

Also, make sure case has enough slots to use all the (blue) slots on the motherboard.

It wouldn't be a problem in this situation since it's a full size board so a standard ATX case has to be used. Standard ATX cases have 7 PCI expansion slots in the back and only 6 slots are used in this case.

Good things to keep in mind though. If one was to use this board http://www.newegg.com/Product/Product.aspx?Item=N82E16813130274&cm_re=msi_890fxa-gd70-_-13-130-274-_-Product with 4 cards or 3 cards spaced with each other it would require a case with 8 expansion slots, and the list of cases with that feature is limited.

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Bitsinmyhead
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May 23, 2011, 06:51:58 PM
 #11

Last poster makes a valid point...
If you spend your money on expensive mobo...
No way you make money today...
Gotta think outside the box...

Buy a cheap used mobo local...
With total 3 PCIe slots...
x1 or x16 doesnt really matter...
Buy those x1 extenders...

Total $30 bucks or so...
Thats a hundo to your bottom line...
That might be the only profit...
You will make for all your trouble...

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pokermon919
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May 23, 2011, 06:53:18 PM
 #12

Thank you very much guys! I will probably run my future rig caseless on a mobo tray and just slap fans where needed, so no case/space issues
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