Cheap chinese x79 mobos

Discussion in 'Processors and Motherboards' started by bmacklin, Jun 12, 2017.

  1. e97

    e97 Active Member

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    To be honest, I have no idea. I'd love to know who the original designer of the board is.

    JINGSHA is the name on the silkscreen and the Taobao seller with a flagship store, so I assume thats the main OEM. But there are many factories who make the board, I guess SZMZ is one of those factories which could explain the BIOS work.

    With the original BIOS: RDIMMs POST fine, works as non-ECC.
     
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  2. foogitiff

    foogitiff Member

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    Thanks for the info.

    I can live without ECC, so it's not the end of the world if I cannot make it work. I just want to be able to use 8x16GB rdimm ddr3.
     
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  3. Klee

    Klee Well-Known Member

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    They are also listed on Ebay.
     
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  4. itronin

    itronin Active Member

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    @e97 you asked about the logistics. I received my board midday yesterday (Denver, Colorado). 9 calendar days - 7 working days which is the outside limit quoted by Alibaba. Shipping cost was $21.04. I selected "express" at order; the logistics company was Alibaba Air Express. Air Cargo was provided by Cathay Pacific and domestic delivery was provided by OnTrac.

    I'm very happy with the shipping time and cost combination.

    eBay Bucks released today and should have my cpu in the next few days.
     
    #244
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  5. e97

    e97 Active Member

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    Thanks @itronin ! I recently used Alibaba Air Express for Raspberry Pi Camera modules and it worked out as you described. Cheaper than DHL and way faster than regular shipping.
     
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  6. itronin

    itronin Active Member

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    I finally had a little time to take a look at this board (SZMZIT X99) in more detail. I'm thrilled to see that it supports PCIE bifurcation. Slot numbers do not appear to correspond to what is silk screened on the board but with only 3 slots it was pretty easy to figure out. Looks like the slots are from top to bottom: x16, x16, and x8 (in x16) with x4x4x4x4 for the x16's and x4x4 for the x8 (in X16).

    I successfully tested with a supermicro AOC-SLG3-2M2 and both of the m.2 drives appeared as boot options in the c, and d splits. I suspect with that split that a x4x4x4x4 m.2 card may work.

    My thoughts for filling up the slots are: graphics card, a x4x4x4x4 m.2 card , and a dual port connectx-3 10gbe.

    I am open to suggestions, reviews and/or pointers for a non switch based card with 4 x m.2

    hopefully the bifurcation option does not go away when I flash the updated BIOS to the board.
     
    #246
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  7. BeTeP

    BeTeP Active Member

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    There is always Dell PCIe Storage Adapter FH Card - DPWC400 (Dell P/Ns TX9JH PHR9G 6N9RH 80G5N) . It sells for about $110 shipped.
     
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  8. itronin

    itronin Active Member

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    I'm just going to throw this out there as my mind is churning on possibilities...

    the price on this motherboard via the link and in general is currently showing $72.30 for a sample qty of 1...
    am tempted to pick up a 1-2 more just to have on hand for as the need arises... Perhaps Holiday gifts...HA!

    and really, I do need to do more testing with this motherboard for my own satisfaction and caveats apply - yeah the chipsets are probably desoldered off e-cycled motherboards... the thing could go up in smoke after a few weeks of heavy use. But there is a 1 year warranty on the motherboards and the vendor has been very communicative via email.

    so far I am liking what I see.
     
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  9. itronin

    itronin Active Member

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    Thank you @BeTeP.

    Quick survey shows lots of expensive cards (with switch chip) and only 3 "more value oriented" cards.

    all prices approximate.

    Asrock Ultra Quad M.2 ($140) - drawbacks = cost, fan noise reportedly loud
    Dell DPWC400 ($110) - drawbacks = cost, max stick size 2280, fan noise reportedly loud
    Asus Hyper M.2 X16 v2 ($57 AMZ) - drawbacks = reports of fully populated card required to use, some nvme slots do not show up on some motherboards.

    I just want JBOD carrier functionality so given the title of this thread I think I'll go with the Asus for now and see what happens.

    btw, if there is anyone in Denco reading this thread, has this card, its not in use and you want to loan it out for 7-10 days of testing then please pm me.
     
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  10. hobby386

    hobby386 New Member

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    As far as I know.
    Many X79 chips come from the server motherboard disassembly.Is old
    For now, the OEM X79 technology is mature.
     
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  11. Neil Jefferies

    Neil Jefferies New Member

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    This is a good source for BIOS mods China x79/c602 overclock xeon, ecc reg ddr3 (Google translate is your friend!)

    I have a Xinlizhi X79 2.4F which has been running 24x7 for the past 6 months as my son's gaming rig (E5-1650 V2 and 32Gb RAM) no problems with Windows.

    On the basis of that I have just acquired a dual socket Huananzhi.

    ...the fact that the BIOS's seem to be labelled C602/X79 leads me to believe that the real differentiator between these chipsets may be marketing and a couple of polyfuses.
     
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  12. BeTeP

    BeTeP Active Member

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    X79 (or X99 or that matter) in the Chinese board's name does not mean that the board is specifically using Intel BD82X79 PCH chip. It's merely an indication of which generation of the Intel CPUs might be compatible with the board.
     
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  13. Neil Jefferies

    Neil Jefferies New Member

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    I would have thought that but the X79 and C602 share the same datasheet from Intel, the X79 is literally just the lowest C600-series SKU. All these motherboards seem to have feature sets (e.g. 6 SATA ports, no Intel ME) which match actually using an X79...although, as far as I can see from the docs, if you design for an X79 you can actually drop in any higher SKU and it will still work.

    That's a good way to use up leftovers!
     
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  14. alex_stief

    alex_stief Active Member

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    I think it is safe to assume that very few -if any- of the cheap Chinese "X79" motherboards ever had an actual X79 chipset.
    They use what ever they can find for cheap, and make it work. X79 is just their catchy marketing term to say "runs LGA2011 CPUs"
     
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  15. Neil Jefferies

    Neil Jefferies New Member

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    Very unlikely, the easiest way to get the required functionality is to use the chipset. I can locate 1000+ quantities in surplus shops in HK and China pretty easily for way below the original price so it's the easiest way to go - it's still probably the most expensive component on the board even at 10-20 dollars a pop in bulk (you can even get them on eBay for 39.99!). Otherwise, you end up having to either use a more expensive chip or more different chips - which costs in terms of board real estate, layout complexity and supply chain complexity.
     
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  16. hobby386

    hobby386 New Member

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    In fact, I have a Chinese-made X79 motherboard. (Google Translate is great) I used to test memory and compatibility.
    Server memory/desktop memory/plus a conversion slot can also test the laptop's memory.
     
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  17. Neil Jefferies

    Neil Jefferies New Member

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    ...I guess technically all of my 2011 motherboards are Chinese-made - Lenovo, SuperMicro, Asus all manufacture in China or Taiwan too!
     
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