Author Topic: My new 3,5" external drive  (Read 2416 times)

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Offline protek

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My new 3,5" external drive
« on: 08:18, 29 November 12 »
I thought I'd share a pic of my new external 3,5" floppy disk drive. I got a Samsung SFD-321B, which is relatively easy to mod internally to have pin34 to be connected to RDY instead of DC. That minimizes the need for external jumpers. It's a matter of soldering a zero ohm resistor from one point to another, which I did.

Samsung doesn't have a solid bottom so you need to rise it a bit so that the spinner doesn't take contact with table or floor. I used four screws. I also made an adapter cable to be able to connect a standard 5V PSU. Next step is to find a suitable case for the mechanism and possibly connect a switch between DS0/DS1. At the moment it is DS1 as from the factory so it operates as B drive.
« Last Edit: 10:04, 29 November 12 by protek »

Offline Bryce

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Re: My new 3,5" external drive
« Reply #1 on: 10:20, 29 November 12 »
There are quite a few Amiga external drives that have a very compact metal case, basically just wrapping the drive. You can usually get them quite cheap, especially if they are non-functioning. That's what I have mine in.

Bryce.

Offline protek

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Re: My new 3,5" external drive
« Reply #2 on: 10:29, 29 November 12 »
I have such a defunct drive stashed - somewhere. It's one of those RF332C units or similar. But isn't the mechanism used in those even slimmer than a standard 3,5" floppy drive?

Offline Bryce

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Re: My new 3,5" external drive
« Reply #3 on: 11:52, 29 November 12 »
That depends exactly what version you have. As you can see from this picture here: http://img98.imageshack.us/img98/4930/p5240083.jpg

There were several versions of varying height. Mine just happens to be one that was large enough for a standard 3.5in drive.

Bryce.

Offline protek

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Re: My new 3,5" external drive
« Reply #4 on: 12:01, 29 November 12 »
I think both of mine are like the second on the right.

Offline fgbrain

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Re: My new 3,5" external drive
« Reply #5 on: 20:15, 29 November 12 »
Anyone can suggest a compact case that will fit two switches (side and drive select )  at the front?
That's my main problem!
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6128 (UK keyboard, Crtc type 0/2), 6128+ (UK keyboard), 3.5" and 5.25" drives, Reset switch and Digiblaster (selfmade), Inicron Romram box, Bryce Megaflash, SVideo & PS/2 mouse, , Magnum Lightgun, X-MEM, X4 Board, C4CPC, Multiface2 X4, RTC X4 and Gotek USB Floppy emulator.

Offline Bryce

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Re: My new 3,5" external drive
« Reply #6 on: 11:15, 30 November 12 »
How about an Amiga drive from GoldenImage. They have a small panel on the left side. But they are difficult to find.
There's nothing behind the panel. It's there because there was a more expensive version with a Track Display there.

Bryce.

Edit: This one: http://thebucketdiary.files.wordpress.com/2011/07/frontviewdrive.jpg
 
« Last Edit: 11:18, 30 November 12 by Bryce »

Offline Gryzor

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Re: My new 3,5" external drive
« Reply #7 on: 17:37, 04 December 12 »
This would look good next to the Plus series...