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Thread: Where to find the CORRECT laptop CDR/DVD to Desktop IDE Adapters

  1. #101
    Variable Bitrate skippy911's Avatar
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    I bought the apple ide 50 adapter and I bought a ide 44 cable to use with my existing laptop ide to usb convertor. My question is, if I plug in the 44 cable onto the 50pin header will I get the power needed with out having to solder on one of those power connectors?? Thanks,

  2. #102
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    The connector pitch (gap between pins, IIRC) is not the same for 44-pin IDE and the back of the iMac adapter, so a standard 44-pin cabel won't physically fit the 50-pin IDE. The 50 pin connector has the same pitch as a regular 40-pin IDE.

  3. #103
    Low Bitrate TucsonPred's Avatar
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    Meddler, thank you sir. I ran across one of these today and coulda swore it was a 40 pin ide on the back, nope 50. Nut atleast it came with the adapter on it, $15 with the adapter, 15 minutes scrolling this post, 2 minutes to find my soldering iron, 15 seconds in the bios (turning the sec ide back on) presto. I'm a happy camper, 1 problem solved, next 100 gig laptop drive, though that's not going to be cheap. Thanks again/
    2K SVT Lightning, Some things and the usual truck pc, now with slot load dvd rom and ECM Data logging.
    05 Scion xA

  4. #104
    It ain't easy being a green moderator meddler's Avatar
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    no problem..... Glad I could help
    Never let the truth get in the way of a good story

  5. #105
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    I am looking for information how to connect iMac's slot loading dvd-drive with adapter (Apples own 820-1050-A) to a normal PC mobo and to the power source. I have found both the drive and the adapter from an old iMac DV SE.

    Old probem for the forum, I quess, but some information is no longer available.

    As most of this threads readers may remember, this adapter does not stick out because it is made for this slot loading dvd -drive's (180 degrees-tilted) SAE-connector. Then, this adapter has a large 50 pin-connector which should be connected to the motherboard but no available power output (without a mod).

    So far I have figured out that it is possible to plug a normal IDE cable to the 50-pin connector's other side, filling 40 of the 50 pins. This can be seen from the imac's own IDE-cable, which narrows after the dvd drive to a 40-pin cable that goes further to the hard drive) So normal IDE data traffic could flow through this. The stripped-down-connector would use the pins like this:

    Figure 1.

    .....1xxxxxxxxxxxxxxxxxxx
    .....xxxxxxxxxxxxxxxxxxxZ

    where x is a now-used pin for IDE40-connection (1=pin 1 in that IDE cable, Z=pin 40). This should be right?

    Now, the problem is how to give 5V power to the drive.

    Is it possible:
    A) to give power and set the ground through the rest of the pins in the large 50pin-connector (dots in the Figure 1) ? Which pins could do the trick?
    Or
    B) solder power and ground somewhere in the adapter. Or solder the power only somewhere and connect the groud to the drive's cabin?

    I would prefer alternative A-since my soldering iron is a little bit too large for the job (?), if plan A is possible?

    There has been some images about the connections, I quess, (like the one I quoted), but all of them seem to be unfortunately broken.

  6. #106
    It ain't easy being a green moderator meddler's Avatar
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    have a look at http://members.optushome.com.au/meddler/DVD%20Drive/. I took the pics down because they were stiing on my server and I needed the space. Let me know when you have a copy of them so I can take them back off
    Never let the truth get in the way of a good story

  7. #107
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    Quote Originally Posted by meddler View Post
    have a look at http://members.optushome.com.au/meddler/DVD%20Drive/. I took the pics down because they were stiing on my server and I needed the space. Let me know when you have a copy of them so I can take them back off
    You're the man! I got the images now. Thank you very much!

    That more or less clarifies the option B: the soldering way. From the image I see that the capasitor in C4 is not there (I have it in my drive, similar to C2 and C3). I wonder if it should be snapped off, or is it better to leave it in a place and just add the wire there?

    The other option (A), using the 50-pin connector pins remains to be clarified. But I quess that the power/ground must go through some of the rest of its pins (10 possibilities left, after excluding 40 pins for the IDE) as well, since that is how the iMac powers the drive, right?

  8. #108
    It ain't easy being a green moderator meddler's Avatar
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    No problem. Glad to help.

    There is a pinout document there. The info about what the other 10 pins do, should be in there. I think it is just easier to solder the power wires on like I did.
    Capacitor C4 was originally there on my adapter as well, but It actually blew up when I shorted the power wires together. I personally would leave it there and just solder the wire to the side of C4.
    Never let the truth get in the way of a good story

  9. #109
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    It happens That's why I wanted to play it safe.

    I did find info what the DAE pins of the DVD drive put through. But the adapter's pins in the mobo end are not comparable to those. That's where my study area is.

  10. #110
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    oh man I've had my mat****a / slim slot loading drive for like 5 years now, and have never been able to find the correct adapter...

    can you guys point me to the right direction? all the old links in this thread are dead!!

    Thanks for the help guys. I also want to convert it to USB.

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