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ECB systems casing options. - RetroBrew Computers Wiki
ECB systems casing options. - RetroBrew Computers Wiki
I'd like to see a gallery of photos of cased or open retrobrew systems. I'm still working on my final case for my CPU280, and I've been looking for ideas and options, and hadn't seen a lot online. One page with lots of good photos is http://hd-ecb.de/html/photo1.html, but while a full 19-inch rack width is great for some things, for my CPU280 I just needed a three slot backplane, and a full 19-inch rack is a bit of overkill for that application.
I'll start with what I'm working on for a 3-slot backplane case; now, this backplane wasn't really designed to be cased, but I ran across a couple of Vero rack-mount 3U chassis on eBay; Vero part number 185-, that has an L-shaped rear rail that has the threaded hole spacing necessary to directly mount a DIN connector by its ears.
Here's a photo of the chassis (if you would like the full-resolution images, let me know and I'll attach or set up a wiki page or something.....):
And here is an end shot of a piece of the rear rail:
So I assembled a 3-slot backplane, using wire-wrap DIN sockets instead of regular PC-mount ones, and spaced the sockets off of the board by a small amount, using the technique detailed below. I installed the capacitors, two-pin headers for power LED and RESET, and the power socket (being extremely careful to remember to 'flip' it to maintain correct plug keying to put the right voltages on the right pins!) to the 'back' of the 3-slot backplane, and then I used one of the Vero chassis to mount the three DIN sockets (using the screws that were in the rails) through the DIN sockets' ears, then attached some motherboard spacers to the 3-slot backplane, slid the backplane over the wire-wrap tails of the sockets just snug enough for the motherboard spacers to lightly contact the rails, but not so tight that they would jam when I needed to slide the backplane off of the rails. I then trimmed the wire-wrap tails of the DIN sockets to a good solderable length and soldered them down.
I then removed the 3-slot backplane from the full chassis. This required taking the end plate off of the chassis, but since I was going to cut down the length of the four rails I needed to do that anyway. Once the rails were cut down and I repositioned the card guides for the correct spacing, I slid the backplane back in, and using six screws attached the backplane to the rail using the holes in the DIN sockets' ears. I left the motherboard spacers on the backplane, but they're not actually attached to the rail, the DIN sockets are.
The result, from the rear:
and from the front, with an installed CPU280 and an HxC emulator, installed in a Schroff -326 3U 8HP plugin 3.5 inch drive unit (retrieved from a Schroff subrack I got on eBay for a great price last week):
I carefully measured and cut one of the chassis' rails to fit as a subrack into this case, which was designed for an optical disk duplicator:
but haven't gotten the subrack installed into the case as yet, since I'm still test-fitting panels, getting the spacing needed, and working on a front panel for the CPU280, using a Schroff 3U 6HP plug-in module (Schroff number -020). I already found out that I need to move the backplane 2HP one way or another (or maybe just to the opposite end of the rails to make the floppy cable routing a bit easier; currently it's right angled out between card guides and over to the HxC Slim emulator); my Schroff plugin front panel for the CPU280 is 6HP (to give room for connectors or whatnot), and with the CPU280 being at one end of the backplane that's ok; I'll just need to make sure that I use the right size plugin for the backplane spacing for the IDE board, once I get it built. I wish I had thought a bit more before buying the 6HP plugin, but, oh well, I've got it now, and I plan to use it....
--
Bughlt: Sckmud
Shut her down Scotty, she's sucking mud again!
Choosing the Right Conveyor Belt - MIPR Corp
I'll start with what I'm working on for a 3-slot backplane case; now, this backplane wasn't really designed to be cased, but I ran across a couple of Vero rack-mount 3U chassis on eBay; Vero part number 185-, that has an L-shaped rear rail that has the threaded hole spacing necessary to directly mount a DIN connector by its ears.
Here's a photo of the chassis (if you would like the full-resolution images, let me know and I'll attach or set up a wiki page or something.....):
And here is an end shot of a piece of the rear rail:
So I assembled a 3-slot backplane, using wire-wrap DIN sockets instead of regular PC-mount ones, and spaced the sockets off of the board by a small amount, using the technique detailed below. I installed the capacitors, two-pin headers for power LED and RESET, and the power socket (being extremely careful to remember to 'flip' it to maintain correct plug keying to put the right voltages on the right pins!) to the 'back' of the 3-slot backplane, and then I used one of the Vero chassis to mount the three DIN sockets (using the screws that were in the rails) through the DIN sockets' ears, then attached some motherboard spacers to the 3-slot backplane, slid the backplane over the wire-wrap tails of the sockets just snug enough for the motherboard spacers to lightly contact the rails, but not so tight that they would jam when I needed to slide the backplane off of the rails. I then trimmed the wire-wrap tails of the DIN sockets to a good solderable length and soldered them down.
I then removed the 3-slot backplane from the full chassis. This required taking the end plate off of the chassis, but since I was going to cut down the length of the four rails I needed to do that anyway. Once the rails were cut down and I repositioned the card guides for the correct spacing, I slid the backplane back in, and using six screws attached the backplane to the rail using the holes in the DIN sockets' ears. I left the motherboard spacers on the backplane, but they're not actually attached to the rail, the DIN sockets are.
The result, from the rear:
and from the front, with an installed CPU280 and an HxC emulator, installed in a Schroff -326 3U 8HP plugin 3.5 inch drive unit (retrieved from a Schroff subrack I got on eBay for a great price last week):
I carefully measured and cut one of the chassis' rails to fit as a subrack into this case, which was designed for an optical disk duplicator:
but haven't gotten the subrack installed into the case as yet, since I'm still test-fitting panels, getting the spacing needed, and working on a front panel for the CPU280, using a Schroff 3U 6HP plug-in module (Schroff number -020). I already found out that I need to move the backplane 2HP one way or another (or maybe just to the opposite end of the rails to make the floppy cable routing a bit easier; currently it's right angled out between card guides and over to the HxC Slim emulator); my Schroff plugin front panel for the CPU280 is 6HP (to give room for connectors or whatnot), and with the CPU280 being at one end of the backplane that's ok; I'll just need to make sure that I use the right size plugin for the backplane spacing for the IDE board, once I get it built. I wish I had thought a bit more before buying the 6HP plugin, but, oh well, I've got it now, and I plan to use it....
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--
Bughlt: Sckmud
Shut her down Scotty, she's sucking mud again!
[Updated on: Sat, 08 September 11:43]
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Further reading:Choosing the Right Conveyor Belt - MIPR Corp
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