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So I needed a hard drive for a project and all I had was a 60GB 2.5" IDE one, unfortunately this project used a standard IDE cable and I don't have/don't want a 2.5>3.5 inch converter.

So I wasted an afternoon soldering 44 tiny wires onto a connector.
I went to this link to find out how the 44 pin 2.5" ide hard drive was numbered.

As I understood it, the top row was every odd number and the bottom row was every even number.
I split up a standard IDE cable and stripped 3/4 of a cm of coating off the ends. Then I looped it in half to form a flat oval shape.
I tinned the wire next, put it in the contact area, and heated it up to melt the solder.
The plug that I soldered to was one from a laptop, the adapter plug was designed so that it would be easy to swap a bad HDD for a good one. I suppose it was made so it would be (somewhat) easy to solder to as well.

Here are some pictures of the results, I currently have Windows XP installed on it and it works great.
<p>Nice work. BTW you can buy a 3.5 to 2.5 IDE adapter for around $1 (one) dollar on ebay. LOL.</p>
<p>hi , I want to attach laptops HDD to computer.... looking at your DIY cable ,I have question.</p><p>what about the power supply to HDD; if i sholder I solder pin1 to pin40 ;what to solder for power supply pin41?pin42?pin43?pin44?</p>
<p>hi there! If you compare the pinouts of the 2.5&quot; drive (http://pinoutsguide.com/HD/Ata44Internal_pinout.shtml) and the standard 3.5&quot; drive (you can find it on the same website as the other link) it will all make sense for you. If I recall correctly, its mostly pin-to-pin, but the 2.5&quot; drive also has power on the same connector, which is why it has the extra pins. Just compare the two pinouts and all of your questions should be answered. :)</p>
<p>hi , I want to attach laptops HDD to computer.... looking at your DIY cable ,I have question.</p><p>what about the power supply to HDD; if i sholder I solder pin1 to pin40 ;what to solder for power supply pin41?pin42?pin43?pin44?</p>
Thanks for the instructable! I will probably make, just because it takes so long for these to come from hong kong, though they are just 1 buck and free shipping!
That hdd looks the same as the one i need it for....
also is that a convertor that will work? http://www.cablestogo.com/product.asp?cat_id=906&amp;sku=17705
yes that converter will work, its even probably built better than mine :P
Nice job :-)<br>I remember making one of these back in the early 90s for my Commodor Amiga A1200.<br>i made the mistake of showing a couple of friends &amp; the next thing I knew i had made almost two dozen of them..... lol
in that case im lucky i only have one converter piece! :P
So did I to begin with however I did have a friend in IT support who &quot;liberated&quot; the required parts from his lab, all I did from there on was supply the soldering iron &amp; the patience :-)<br>Still it did save a lot of friends a lot of time playing games like Beneath a Steel Sky which if I remember correctly came on thirty 1.44mb floppy disks &amp; sometimes required forur disk changes just to go down a flight of stairs to another room lol
haha well i suppose that helps a lot! <br>its surprising that they chose to encode the game that way though.
The Amiga was back in the 80's. That was high tech back then.

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Bio: I like to modify things, make things, and modify the things i make. im no math whiz or someone with perfect grammar, but i am ... More »
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