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    #1

    Compact Flash IDE Interface

    I have a microdrive with an IDE interface. I want to put it in a laptop as a drive. I got one of those IDE to CF adapters but it only runs at MwDMA 2. The drive supports ata 66. Is there a direct adapter I should be using since the drive is ide?
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    #2
    Re: Compact Flash IDE Interface

    get the ide44 pinout,
    there may be a pin you need to connect to ground to enable ata66

    like on fullsize motherboards that can detect if you have 40pin or 80pin cable that way.

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      #3
      Re: Compact Flash IDE Interface

      Its not even doing UDMA at all. I think the CF adapter does not like it. Would this work better?

      http://cgi.ebay.com/NEW-Toshiba-1-8-...item2a0167fd06

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        #4
        Re: Compact Flash IDE Interface

        hard to tell. afaik there are 2 lines (DMACK and DMARQ) that have to be connected on both interfaces and not just pulled to ground.
        i've heard very good things about the Addonics adapters.
        BUT: according to wikipedia a microdrive has only R/W rates of 10/5 MB/s, which is well within the 16.6 MB/s of MwDMA2.
        wiki also says that a microdrive is only rated for 140hrs per month for its specified lifetime.
        a fast and reliable CF card may be the better choice.
        be aware though that only the Sandisk Ultra series strictly follow the IDE protocol and are said to work well on most IDE controllers. I've tried Transcend and Twinmos and both refused to work in my laptop.
        "Every normal man must be tempted at times to spit on his hands, hoist the black flag, and begin slitting throats." - H.L. Mencken

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          #5
          Re: Compact Flash IDE Interface

          This is a different MD than average. It doesn't have a CF interface at all. Its 4200RPM and UDMA66. The laptop only has ATA33. A CF card would be better but this drive was really cheap, cheaper than I could get a CF card.

          I loaded windows on it and it flies... then pauses.. flies then pauses. It also takes a long time to detect and I think its because of the IDE adapter. Access time vs the 4200rpm 10gb hd is actually lower. 10ms vs 12ms The power savings should be good too.

          I've heard good things about the adonics adapters but they cost 3 or 4x what I paid for this media.

          Comment

            #6
            Re: Compact Flash IDE Interface

            ATA66 has not much to do with DMA.
            There is ATA33-ATA133 and DMA/PIO mode.

            I have tried a Lexar CF card on cheap adapter. Only PIO worked which was usless for a such card.

            I'd rather use a dedicated IDE drive 7200RPM if there is a chance or you don't have other priorities, like space, loudness etc.

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              #7
              Re: Compact Flash IDE Interface

              The laptop only supports ATA33 max. Way too old for new stuff. Its very small and the HDs aren't very well protected so they keep dying after some time.

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                #8
                Re: Compact Flash IDE Interface

                Per any chance Compaq N600 ? Those things went thru a HDD in a year. Toasted it with heat.

                Comment

                  #9
                  Re: Compact Flash IDE Interface

                  Thinkpad X21. Smaller than N600 by a little. Absolutely no protection of hard drive.

                  Comment

                    #10
                    Re: Compact Flash IDE Interface

                    N600 heats up HDD like crazy, has Ati Rage GPU sitting directly on top of it with no ventilation whatsoever. It easily reaches 60°C >.>
                    Not sure if that is even worth repairing anymore. It just causes problems.

                    Comment

                      #11
                      Re: Compact Flash IDE Interface

                      I've run across a few of those. Some would overheat and turn off. It LOOKS like a solidly built laptop. I kind of wanted one but I guess its good I didn't get one.

                      Comment

                        #12
                        Re: Compact Flash IDE Interface

                        Yes, LOOKS, but it is crap inside. This thing has broken at least 5 times already. You are really lucky you didn't pick one.

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