 |
|
 |
|
| |
|
|
Now, where is my hammer.
The project really centers around the right
case. The case we are using I get and use frequently
at my place of employment. The vendor we use for
these cases is a local group called EBC Computers.
Who knows what EBC stands for, this is not a plug
for them, it's just the only vendor for this case
I have found.... any who the part number is CA-TT-R19-B-320
with them. The box is labeled with the brand IPC,
but I have yet to find a similar case with the rails
like this case has. |
|
|
| So what makes this case
so special? The structural rails running from
left to right as you see here. The rails are designed
with the option of handing drives, or cooling
fans from them. No other case I have found has
2 rails in them. Many have one rail. The second
here is a bit of a scarcity. So now all we need
to do is get rid of all the crap we don't need.
Be sure to save the odd bits for future projects.
|
| |
| The case is as empty as
a Comdex convention without the Microsoft booth's
go go girls... we really removed everything we
could here. The front fan plates, and fan, the
drives, drive housing, the floppy housing, the
hard drive mounts, speakers, the rear panel, and
the motherboard mounting plate. Everything we
could. With the case stripped you can really see
just how much room we really have to work with
in this case. There is alot more room for alot
more drives if you used regular form factor drives
in this mod. But that's not what was doing here
now is it.... |
| |
| So here is the pile of future
project scrounging and idea giving crap we tore
out of this case. As you can see the carnage is
actually quite extensive. The motherboard mounting
panel is the more interesting tidbit in this tearout
I suppose. As the drive caddie mounts directly
to it you could make an open air system, or a
submerged system really easily with some minor
tweaking. |
| |
| Our first major move, the
power supply frankly just is too much in the way
in the case. The power supply is mounted to the
case with a plate it screws to, and that plate
mounts to the case itself. After careful inspection
we chose to bump out the power supply to make
room for more drives in the case. It took some
trial and error on the spacing as we didn't take
into account the SCA to SCSI adapter's depth.
So learn from my mistake, factor in all given
information before you make that final cut. We
did have to move the power supply out far enough
that the fan was actually half inside and outside
the case. We moved the sticker to cover half of
the fan so we could take full advantage of the
extra fans pulling air out of the case. |
| |
| We finally chose some aluminum
posts and screws we found at Lowe's to kick the
power supply out from the case, and hold it securely.
We had to drill out the holes to 1/8 to accommodate
the larger size of the posts. But after we secured
them tightly, the power supply wasn't going anywhere.
We ended up stacking 3 of the posts per rail to
give the needed depth; it turned out to be about
3 inches. |
| |
| So now we needed to hot
wire the power supply. As there is not a motherboard
to plug into, or control the power supply we have
to jump some wires in the ATX connector. I believe
we jumped the green and black right next to it.
Here I used a piece of wire to make sure it would
work. Later I took the same power supply and spliced
into it with a rocker switch I got at Radio Shack,
so I could power it on and off from the front
of the case. Just a special note. Be careful when
dinking around with electricity. There are some
"dummy loads" out there for ATX power supply testing
that will work just the same and not directly
endanger your life. |
| |
| Drives, drives, drives.
Here is a close up shot of the drives I used.
They are the same width and height as a normal
drive, their thickness, however, is something
unusual. There are SCA drives out there that are
the normal thickness, just be careful what you
buy when it comes to SCA drives. I had a friend
order his drives to build out a similar project
like this and he ended up getting all 5" behemoths
instead! If you are armed with the model number
you can check Google or the manufacturer's site
and get really detailed specs on dimensions, power
consumption and BTU output to help you make the
most educated decision you can. Or..... You can
modify an old filing cabinet to hold 35 5" 9 GB
drives. |
| |
| So now to start hanging
the drives. The rail's holes line up with the
drives perfectly. Mount the drives with a 1/2"
gap between them. You should be able to get 7
across very comfortably. Mount them so the SCA
plug is facing the front of the case for the front
rail, and facing the rear of the case with the
rear rail. Make sure to ground out the case, drives,
and your self before getting too involved here
as the older SCA hardware seems to be more static
sensitive. |
| |
| So here is the case with
all the drives installed. Very cool looking isn't
it? So at this point you may have to move it...
the case and drives together will weigh about
50 LBS or so. So be careful not to hurt yourself
here. Once you have the drives all mounted double
check that all the screws are nice and tight.
|
| |
| So here is the SCA drive
adapter. It's a simple little device. Just a SCA
plug on one side, and the power, 68 Pin and some
jumpers on the other. The jumpers are what you
use to assign each drive an ID in the chain. Assign
your adapters their ID's before you install them
in the drives as it can be really tricky to change
the settings when they are installed in the case.
These are really rugged pieces of hardware, the
only item of concern I had with them is the fit
of the plug to the SCA adapter is a bit loose.
Just enough that the adapter can rock forward
and give the drive a 12V kiss, thus killing the
drive. So just watch the spacing between the drive
and these adapters. |
| |
| So here is the final shot
with all the SCSI cabling done, the Power run,
and the jumpers set. I did have to use about 6
Power "Y" cables to get enough leads from the
power supply we used. Be sure to keep the cabling
tight and clean on this final step. The cleaner
and tighter the cabling is the better the airflow
in the chassis will be. So now all we really need
to do is work on some cooling solutions and fire
this one up. |
|
help
support inventgeek.com
|
|
|