[Coco] 2 x 3.5 Drives on CoCo

[Jason Law]

I've finished the drives, here's some pics.

http://i737.photobucket.com/albums/xx18/JasonsCoCo3/DiskDrives/drives.jpg

http://i737.photobucket.com/albums/xx18/JasonsCoCo3/DiskDrives/drives2.jpg

http://i737.photobucket.com/albums/xx18/JasonsCoCo3/DiskDrives/drives3.jpg

http://i737.photobucket.com/albums/xx18/JasonsCoCo3/DiskDrives/drives4.jpg

http://i737.photobucket.com/albums/xx18/JasonsCoCo3/DiskDrives/drives5.jpg

http://i737.photobucket.com/albums/xx18/JasonsCoCo3/DiskDrives/drives6.jpg

They don't look amazing or anything, but they work and I'm happy with the
result :)

Thanks for all the help and info guys, much appreciated.


-----Original Message-----
From: coco-bounces at maltedmedia.com
[mailto:coco-bounces at maltedmedia.com]On Behalf Of Jason Law
Sent: Sunday, March 14, 2010 3:44 PM
To: 'CoCoList for Color Computer Enthusiasts'
Subject: Re: [Coco] 2 x 3.5 Drives on CoCo


Hi George,

I think I know the ones you mean.

I've decided to take the power from the PC right next to where my disk
drives are.

I was going to plug a female addapter into one of the larger male power
plugs but your idea reminded me of a similar connector.

I guess you'd call them a two way connector. They're these little clip
things that have a single piece of metal inside with two slits in it.

You lay the wires over each slit, close it up and squeeze it with plies
which cuts into each wire to make the connection. Then a platic clip keeps
it closed.

I'll use those to 'tap' the power from one of the power cables, probably the
one I use for the CD-ROM.

That way I don't lose a connector to send power to the floppies.

Also, I've worked out what to use for the cases. There's these things you
can buy (no idea what they're called) that allows you to swap out hard
drives in a PC and there's a plastic case you put the hard drive in. This
then slides into/out of a holder thing that's mounted in a free 5 1/4 bay.

I used to use them when I had one PC, but over subsequent upgrades have
remove the hard drives to put into other PCs.

The only real modification I had to make was to remove the handle from the
hard drive case, grind it flat, sand it, and file it out so the 3 1/2 floppy
will mount flush to the front.

There's plenty of ventilation, the drive fits snuggly, and the screw mount
holes are all there.

The 10-12 cable twist works perfectly for two drives with no drive selects.

Thanks guys for all your help, I'll share some pics of them once I'm
finished.

-----Original Message-----
From: coco-bounces at maltedmedia.com
[mailto:coco-bounces at maltedmedia.com]On Behalf Of George Ramsower
Sent: Sunday, March 14, 2010 2:56 PM
To: CoCoList for Color Computer Enthusiasts
Subject: Re: [Coco] 2 x 3.5 Drives on CoCo




  Hi Andrew,

  Thanks for the links.

  I did some google-ing last night and found this:

  http://www.8starshop.com/en/12v-5v-ac-adapter-for-hard-disk-drive-power-su
pp
  ly.html

  Certainly capable of running two 3.5" floppy drives with a y cable.

  Also cheap enough :D

  I'm thinking what I'll do is buy one of these and put a 4 pin female DIN
on
  the end of the power cable and a male socket in the back of the case.




 Gene Heskett uses a good idea, use a "Four Way Flat" connector to connect
power from a power supply. These are typically used to connect a trailer to
an automobile. They are VERY reliable and inexpensive. With four connectors,
it will provide +12V, gnd, +5v, gnd. Simple and easy to repeat. If needed,
+12, -12, +5v and ground. Very reliable.

   George

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