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Devices of different speed on same IDE channel

Discussion in 'Desktop & Laptop Computers Forum' started by HMHB, Dec 18, 2003.

  1. HMHB

    HMHB
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    Has it actually been proven that a slower device will slow down a faster one if the are connected to the same IDE channel ?
    I want to stick an internal zip drive into my development computer and the only place to put it is on the same cable as my hard drive.
     
  2. Bursar

    Bursar
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    That hasn't been true for some time now.

    Providing you have a modern motherboard, both devices will run at their maximum speed.
     
  3. KraGorn

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    Um, that's not my experience on current Gigabyte and ASUS boards.

    When I had a UDMA5 disk on the same channel as a DVD-reader the BIOS and Windows showed the interface running in UDMA3 mode (IIRC) which was the best the optical drive could handle .. unplugging the DVD allowed Windows to select UDMA5.
     
  4. DucatiEVO

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    I also still think it's best (if possible) to run slower devices on a seperate channel if possible. There's always the option of sticking the Zip into an external firewire/usb2 case and connecting it that way! I've done this with an internal DVD-Ram drive as I had no internal channels free.
     
  5. HMHB

    HMHB
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    Thanks for the replies.
    I've tried sticking the zip drive into an external USB case but windows XP can't see it. I've also got one of those cheap USB2/IDE converters from Ebuyer and the zip isn't detected on there either. If anyone knows how to do this it would solve my problem !
    I might have to stick it in and see what happens (oooh matron!) but was hoping to avoid messing about with hardware before Christmas
     
  6. KraGorn

    KraGorn
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    Having described my experience with how the controller was configured by Windows to use a slower UDMA mode than the disk could handle, I should point out that I doubt I'd have noticed had I not gone looking :) ... given XP's cacheing mechanism then unless you're working on huge audio or video files I really don't think you'll see a practical slowing down.
     
  7. 337GUS

    337GUS
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  8. Bursar

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    Right, here's something I copied off of a website a few months ago:

     
  9. HMHB

    HMHB
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    Thanks for that mate. My motherboard is an Abit BD7II - fairly recent so I think that would be safe to assume. I've installed the Zip drive and I don't think it's slowed anything down, but will report back if I spot anything. The problem is I will be looking for the slightest thing now ;)
     

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