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IDE connectors

  • 24-09-2001 11:09am
    #1
    Registered Users, Registered Users 2 Posts: 383 ✭✭


    i have run out of IDE conections on my mobo...

    can i use one of the IDE connectors (on the cable) to connect another IDE cable to that?

    am i explaining this right?


    j


Comments

  • Registered Users, Registered Users 2 Posts: 15,817 ✭✭✭✭po0k


    Short answer: No

    Seeing as you've poseted this I'll take it you don't know about the IDE controller.

    ok, two 40-pin sockets on a normal board (RAID boards aside).
    one socket per IDE channel
    Each channel can take two drives, on Master Drive and one Slave drive, this is set using jumpers on the back on the drives.
    there is normally a third position for the jumper, called 'C' or 'Cable select'.
    AFAIK (having never bothered to use it - or hdd caddies) its the connector at the end of the drive that ou connect the master drive to.

    You cannont, repeat cannot just add a 3 drive to the one channel. Just won't work.

    SCSI is like a 'proper' big professional brother to the cheaper, and hence more common IDE system.
    With SCSI you generally have much faster drives themselves with bigger caches adn faster spin speeds, along side faster interfaces.
    You can connect 7 drives to an SCSI chain, and you have to set jumpers at the back of the fdrive to identify it to the SCSI card, similar to the IDE master/slave setup.
    RAID is available in both IDE and SCSI formats.
    Stands for Redundant Array of Inexpensive Drives.
    It has several levels, each defining a different method of improvin drive usage, and each on suited to a aparticular role. You can mix them to suit your requirements.
    They are something like striping(spreading the data in stripes accross the two drives to improve speed) mirroring (the same data is on two drives and hence is more available).
    I don't consider myself in anyway and expert on RAID, but let me direct you to a thread which explains it in greater detail (eventually ;) ):
    http://www.boards.ie/vbulletin/showthread.php?threadid=31505&pagenumber=1


  • Registered Users, Registered Users 2 Posts: 4,782 ✭✭✭Xterminator


    What you can do is buy an IDE controller card which you can add 2 more ide devices to.

    As you already probably have the hdd, there is no need to go the scsi route. (expense vs performance).

    I havent much time to search, but on this page there a muli i/o card for £22 (1xParalell,1x Serial, 1xIDE
    ( http://www.marx-computers.com/cgi-bin/store/commerce.cgi )

    or for £30 you can get an ATA100 card in peats. http://www.peats.ie/cgi-bin/shop/db.cgi?view=1&id=552&type=5&path=14x122
    Sunix ATA100 Controller Card - PCI Interface

    X


  • Registered Users, Registered Users 2 Posts: 20,099 ✭✭✭✭WhiteWashMan


    i have an ide controller card and its nice and handy.
    only problem is when you start putting 5 hard drives and 2 cdrom drives and a zip drive in your system, you tend to find wires all over the place and your cooling goes out the window (and not the extractor fans :))
    but still very handy all the same.


  • Closed Accounts Posts: 512 ✭✭✭beaver


    If you're having cooling issues due to IDE/FDD cables all over the place, consider tubularising them.

    You've probably seen it mentioned online before... it basically involves carefully slicing each of the 40 wires individually and then taping them back into a circular bunch. Much neater!

    -Ross


  • Closed Accounts Posts: 2,525 ✭✭✭JustHalf


    My friend Paul (llatsni) did something brilliant with his IDE cables. Cut them into 5 strips of 16 wires, and folded them over onto each other before taping them together.

    Brilliant, and very neat.


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  • Closed Accounts Posts: 512 ✭✭✭beaver


    Originally posted by JustHalf
    My friend Paul (llatsni) did something brilliant with his IDE cables. Cut them into 5 strips of 16 wires, and folded them over onto each other before taping them together.

    Um, 5 * 16 = 80. IDE cables have 40 wires...

    * DOES NOT COMPUTE! * :)

    -Ross


  • Registered Users, Registered Users 2 Posts: 20,099 ✭✭✭✭WhiteWashMan


    Originally posted by beaver


    Um, 5 * 16 = 80. IDE cables have 40 wires...

    * DOES NOT COMPUTE! * B]

    meep

    ++ out of cheese error++


    yeah i ve xeen the tubed ide cables and they are neat.
    i think i will invest in some.
    mind you, i think i'll need a machette coz its like a bloody jungle in there :)


  • Closed Accounts Posts: 3,859 ✭✭✭logic1


    I hear the best method to make your own is to cut the IDE cable into strips of 4 wires each then bundle em together with tape or wire ties.

    .logic.


  • Closed Accounts Posts: 2,525 ✭✭✭JustHalf


    Er, those that fit the UDMA66 specification do ;)


  • Closed Accounts Posts: 512 ✭✭✭beaver


    Originally posted by JustHalf
    Er, those that fit the UDMA66 specification do ;)

    Ah, 33 ought to be enough for ya! ;)

    Christ, I've been outta hardware too long...


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  • Registered Users, Registered Users 2 Posts: 15,817 ✭✭✭✭po0k


    But you never really left, did you?

    :D


  • Closed Accounts Posts: 512 ✭✭✭beaver


    Originally posted by [FCA]SyxPak
    But you never really left, did you?

    :D

    I guess not, but when you're not working with it every day... you know how it is...

    -Ross


  • Closed Accounts Posts: 662 ✭✭✭Ba$tard


    Yup,

    ATA-66 and above have 80-Way cables. The extra 40 cables are grounded cables between each other cable which creates a low-yield magnetic shield against interference.

    As far as tubularising IDE cables goes... you would ruin the performance of the cable and the way the wires are mapped away from each other to aid against interference, ie.e Data Pin8 and 38 are far far from each other normally as they cause interference to each other due to symmetrical frequency transmission attentuation (there ya go!).....

    If you are still hellbent on tubularising cables...only do it on Optical devices, e.g CDROMS, DVD's and any ATA-33 devices...

    Ba$tard


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