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DIY Linux Gateway

Discussion in 'Project Logs' started by Geofrancis, Feb 22, 2013.

  1. Geofrancis

    Geofrancis

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    For pure routing alone your right an atom would be plenty but who wants to build a Linux router just for that? :)
  2. Wrigleyvillain

    Wrigleyvillain PTFO or GTFO

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    Fair enough. :)
  3. Aquinus

    Aquinus Resident Wat-man

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    An Atom would handle an iptables firewall, DNS, DHCP, and OpenVPN just fine as well. The point is that basic network services like these don't use a ton of resources unless you have a ton of users a a crap ton of bandwidth. You should notice this with your VIA and this Atom is considerably faster than that as well.
  4. ste2425

    ste2425

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    I don't follow allot of what is being talked about here, i do however like the pictures :)

    So on that note more pictures please!!
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  5. Geofrancis

    Geofrancis

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    i am waiting for parts at the moment but some have arrived like my 3 colour leds and 5ghz antennas

    [​IMG]
    [​IMG]

    i need the rp-sma pigtails to arrive before i can mount the antennas and chop down the pcb.
    Last edited: Mar 4, 2013
  6. Geofrancis

    Geofrancis

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    still to wire on the front panel

    via board :
    12V power switch
    power button
    reset button
    power and HDD LEDs wired into a RGB LED blue for power, red for HDD
    LAN 1 connection and transmit leds wired to a RGB led so it is blue for connected and blinks red when transmitting
    LAN 2 connection and transmit leds

    Netgear Router:
    De solder power socket and replace with wire to main power switch
    Wire a RGB LED to the 10 and 100 mbit LEDs for the WAN and 4 LAN ports
    Wire RGB LED to power light
    de solder reset button and relocate to front panel

    i am going to use an ide extension cable cut in half and plugged into its self as a front panel connector so i can disconnect the boards from the case if i have to
  7. Aquinus

    Aquinus Resident Wat-man

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    Geofrancis says thanks.
  8. Wrigleyvillain

    Wrigleyvillain PTFO or GTFO

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    Yeah... I was looking at this Asus for the same; not dual nic tho (extra bonus if the ones on the Gigabyte are Intel...but probably not). Passively cooled and has six SATA ports so it's fairly popular as a NAS, however. Also got a PCI-e slot so can toss in a nice RAID card.

    ASUS C60M1-I Motherboard/CPU Combo Motherboard/CP...
  9. Aquinus

    Aquinus Resident Wat-man

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    It's not good for a gateway unless you're planning on using that slot for ethernet. PCI is at least fast enough to drive some wi-fi.

    There is this: http://www.ebay.com/itm/200687415150?hlp=false

    It costs almost twice as much but it has PCI plus two PCI-E mini slots. So you could run dual lan, have wireless and use a PCI-E SSD for boot.

    Also don't torture these machines with a RAID card. 1.1Ghz dual-core isn't a lot of power. In some cases the Atom is even faster.
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  10. Geofrancis

    Geofrancis

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    i agree the new amd chips need a high clock speed to be useful for much of anything i have used a laptop with a 1Ghz dual core apu and it was too slow.

    hp make some interesting boards if you can live with a restricted bios and the need to use a power supply adapter.

    search ebay for:

    Asus MOCA-AR
    socket 479 2 x ddr2 sodimm
    pcie 16x
    its compatible with socket 479 core duo and core 2 duo and will run with up to 3gb of ram.
    not compatible with pci-e 2.0 ati graphics cards.
    you will need to custom build a heatsink. i used a zalman north bridge cooler modified my bending the clips to fit.

    Foxconn Irvine-GL6E
    socket 775 2x ddr2
    pcie 16x + pcie 1x
    nvidia chipset.

    Asus M2NC51-AR
    socket am2 2x ddr2
    pcie 16x + pci


    or a normal foxconn board
    Foxconn G31S
    socket 775 1x ddr2
    pcie16x pcie1x
    2gb ram and 65w cpu max
    Last edited: Mar 9, 2013
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  11. Aquinus

    Aquinus Resident Wat-man

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    It would be doing very different tasks than a laptop would though so it most likely would be enough. If it's only going to be a gateway, size and price is what is important. Any modern x86 processor is going to handle being a gateway just fine. It's when you want it to do other things such as acting as a NAS or hosting something off of it where performance becomes a concern, but at that point you're better off having the resources of a full ATX board.

    The thing is for 80 dollars, the Celeron sips power and could easily just use an eSATA RAID enclosure and you'll be cooking with gas. The problem with that is the cost of the eSATA raid enclosure so I'm in this perpetual state of trying to figure out what is better for my purposes, weather that is optimizing for cost, size, power consumption, and performance.
  12. Wrigleyvillain

    Wrigleyvillain PTFO or GTFO

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    Yeah...for the record though you could convert one of the internal to eSATA; port multiplier does work according to some guy's post somewhere. Kind of moot though due to all the other points made primarily re. CPU speed and such. Bottlenecking has definitely been noted by some trying to use it as a NAS.

    Though hasn't there just been a refresh of this low power platform by AMD (such as powering that Zotac ZBOX just reviewed here--or is that just a higher end offering of the same chipset as the Asus I linked to)?
  13. Geofrancis

    Geofrancis

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  14. Wrigleyvillain

    Wrigleyvillain PTFO or GTFO

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    Damn...the one avail in the States linked by Aquinis above is like 250 pounds.
  15. Geofrancis

    Geofrancis

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    There's lots of cheap itx boards on eBay. Finding one with dual LAN is the hard part.
  16. Aquinus

    Aquinus Resident Wat-man

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    That Celeron 847 on the gigabyte board is still on newegg for 80 USD.
    GIGABYTE GA-C847N-D Motherboard/CPU/VGA Combo Mot...

    Just keep in mind that it's only a bit faster than the Atom 330. An Atom 525 with dual lan would probably be more power considering it's also a dual core, clocked higher, and has hyper-threading. The only thing the Celeron has that the Atom doesn't is a dual-channel memory controller, which really doesn't do the celeron any good.
    Last edited: Mar 11, 2013
  17. Geofrancis

    Geofrancis

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    http://www.hartware.de/review_1587_7.html

    the Celeron based on a Sandy Bridge i7 core and is faster than a dual core atom in every benchmark the dual core atom only comes close in the multithreaded benchmarks when it can use all 4 hyperthreaded cores. in single threaded benchmarks the atom is down by 25%-50% depending on the program and the power consumption is the same 25W load.
    Last edited: Mar 11, 2013
  18. Wrigleyvillain

    Wrigleyvillain PTFO or GTFO

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    Can you answer my AMD question? Is the platform reviewed in the machine here newer/better than the combo I linked here?
  19. Geofrancis

    Geofrancis

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    Wrigleyvillain says thanks.
  20. Wrigleyvillain

    Wrigleyvillain PTFO or GTFO

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    Thanks. That's what I thought. Cool; hopefully some attractive new "Brazos 2.0" m-itx combos are forthcoming...

    Edit: Ah now I see the integrated GPU diff too--62xx vs 73xx series.
  21. Geofrancis

    Geofrancis

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    i chopped up the back panel to fit the ports. i dont care how it looks at the moment.
    [​IMG]

    added 2 power switches for the router and VIA board along with power and reset.
    [​IMG]

    cooling system
    [​IMG]
    back up and working
    [​IMG]

    this is still just temporary until i get the antennas fitted then i will sort out the exterior.
    Last edited: Mar 12, 2013
  22. Wrigleyvillain

    Wrigleyvillain PTFO or GTFO

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    Looking good! :toast:
  23. Geofrancis

    Geofrancis

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  24. Wrigleyvillain

    Wrigleyvillain PTFO or GTFO

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    Yo yo post some options from this side of the pond yo! ;)
  25. ste2425

    ste2425

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    Finally more pictures :)

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