[Coco] 2 x 3.5 Drives on CoCo

[Joel Ewy]

Jason Law wrote:

> 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-supp

> ly.html

>

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

>

> Also cheap enough :D

>

>   


Looks just like the little power supplies that come with some 
USB<->IDE/SATA adapters I've got.  Nice to know you can get the power 
supplies separately -- and, as you say, cheap enough!

JCE


> 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.

>

> The case would not need to be much bigger than the drives. Also easier to

> salavage the floppy drive connector cables from an old PC power supply and

> just solder them in parallel to the male 4 pin DIN.

>

> Sound like a plan?

>

> No just the case... Duct tape would do it but I'm sure I could find

> somnething that looks a little nicer :D

>

> -----Original Message-----

> From: coco-bounces at maltedmedia.com

> [mailto:coco-bounces at maltedmedia.com]On Behalf Of Andrew

> Sent: Sunday, March 14, 2010 5:07 AM

> To: coco at maltedmedia.com

> Subject: Re: [Coco] 2 x 3.5 Drives on CoCo

>

>

> Jason,

>

> If you're willing to spend a little money, I am sure you can find a

> suitable power supply at All Electronics or some other online surplus

> electronics retailer; something like this:

>

> http://www.allelectronics.com/make-a-store/item/PS-7607/POWER-SUPPLY-5.1V/3A

> -12.0V/2A-5.0V/.34A/1.html

>

> I know I purchased one from All Electronics several years back for an

> AMD586-based motherboard MP3 player project; it ran the hard drive, the

> motherboard, and peripheral cards (ethernet and sound) - on occasion, as

> I was developing hardware interfaces and such (keypad + LCD hanging off

> the parallel port), I needed to use a cd-rom drive and floppy, and it

> powered those fine as well.

>

> If that doesn't work, then if you can find an old TIVO, they have some

> excellent power supplies in them that are fairly small, and easily removed.

>

> Another possibility (though more expensive) is a Pico-PSU - they run off

> a (hefty) 12 VDC PSU, and are meant for Car PC and other embedded apps;

> they don't look like much (they are really small), but they should be

> powerful enough for running a couple of floppy drives. I have one in a

> robotics project that powers a Micro-ATX ATOM motherboard, two 2.5 250gb

> drives, a RAID card, and a wireless router:

>

> http://www.mini-box.com/s.nl/it.A/id.417/.f

>

> Hope this helps!

>

> -- Andrew L. Ayers, Glendale, Arizona

>

>

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