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  • 01-12-2005 5:31am
    #1
    Balfa
    Registered Users, Registered Users 2 Posts: 1,709 ✭✭✭


    It's been a long while since I've bought and put together a PC, so I just want to make sure I'm not leaving anything out...

    I'm about to place an order for:
    CPU (incl. fan), motherboard (incl. audio), vid card, and a monitor.

    I've already got ram, keyboard, mouse, speakers and hard drive which i'll be recycling for this new pc.

    I haven't settled on a DVD burner or a case (incl. PSU) yet, but I will order them in the next day or two, and I think I can get by without a floppy drive.

    I think I heard something about newer video cards (and possibly CPUs too?) needing direct power feeds from the PSU? And have motherboard power connectors changed since the introduction of the ATX standard?

    My motherboard is an Asus K8N which says it has an ATX 20pin connector and a 4pin connector for 12v? I don't know if my video card needs any additional juice, it's a eVGA GeForce 6600GT.

    Should any PSU with a description like "ATX 420W for AMD/Intel" work fine for this?


Comments

  • #2
    AARRRGH
    Closed Accounts Posts: 12,382 ✭✭✭✭AARRRGH


    Why not buy an xbox 360 and hack it?


  • #3
    gline
    Registered Users, Registered Users 2 Posts: 6,630 ✭✭✭gline


    if the new gfx is pci-e you will need to buy a molex to pci-e converter cable (about 5-10 euros) so that u can plug power into it (if it takes a pci-e power plug)


  • #4
    FrankGrimes
    Registered Users, Registered Users 2 Posts: 4,032 ✭✭✭FrankGrimes


    dublindude wrote:
    Why not buy an xbox 360 and hack it?

    Is this even possible?


  • #5
    WexCan
    Closed Accounts Posts: 1,350 ✭✭✭WexCan


    gline wrote:
    if the new gfx is pci-e you will need to buy a molex to pci-e converter cable (about 5-10 euros) so that u can plug power into it (if it takes a pci-e power plug)

    A lot of new PSUs come with a PCI-E power connector. Standard these days is mainly: 4-pin molex connectors, floppy connector, 20-pin mobo and 4-pin CPU.
    Balfa wrote:
    I think I heard something about newer video cards (and possibly CPUs too?) needing direct power feeds from the PSU? And have motherboard power connectors changed since the introduction of the ATX standard?

    AT mobos used two almost identical connecters, ATX is a lot simpler with one main 20/24-pin connector and one 4-pin connector for the CPU etc. Newer video cards do need a seperate connecter, ie they can't take all their power through the motherboard. AGP cards use 4-pin molex connectors (same as HDDs etc) and PCI-E cards use the connectors mentioned above.
    Balfa wrote:
    Should any PSU with a description like "ATX 420W for AMD/Intel" work fine for this?

    Any ATX PSU will prob work, just take wattage and connectors into consideration.


  • #6
    Balfa
    Registered Users, Registered Users 2 Posts: 1,709 ✭✭✭Balfa


    WexCan wrote:
    AT mobos used two almost identical connecters, ATX is a lot simpler
    Heh, it's not THAT long since I've built a PC. I meant anything since the introduction of ATX, not as a result of the introduction :)
    with one main 20/24-pin connector and one 4-pin connector for the CPU etc.
    yeah, it seems that PCIe motherboards tend to have 24pin power sockets? Are these four extra pins to get extra juice to vid cards through the PCIe slot and do away with the need for the for the direct feed from the PSU? And are the sockets backwards compatible with 20pin plugs?

    It's all really a moot point now, though. I've settled on and ordered an AGP mobo and vid card (the extra expense of a PCIe mobo would have been countered by the lesser expense of a PCIe 6600GT, but the PCIe mobo I was looking at had a few too many bad user reviews so I plumped for the old reliable :) )
    Any ATX PSU will prob work, just take wattage and connectors into consideration.
    Thanks. I feel a lot more confident now knowing that if I do have any trouble, I can probably overcome it with some connector adapters :)
    And I am aware that the label wattage alone of a PSU is a pretty bad benchmark to go by.


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  • #7
    WexCan
    Closed Accounts Posts: 1,350 ✭✭✭WexCan


    Balfa wrote:
    Are these four extra pins to get extra juice to vid cards through the PCIe slot and do away with the need for the for the direct feed from the PSU? And are the sockets backwards compatible with 20pin plugs?

    http://www.formfactors.org/developer/specs/atx2_2.pdf

    That's exactly it, but you would prob still need the PCI-E connecter from PSU. I bought a new power supply last week to replace a dud and it came with virtually every connector known to man, and the main mobo connector was 20 pin but it came with 4 extras that you could clip on to the end. Best thing would be to make sure mobo and PSU have the same power connectors. Not sure tbh if a 20 pin plug will work in a 24 pin sckt, but it could well do.


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