The "Mega-ITX"
By Nick Young, UK
Posted on July 18, 2005
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The fun begins...

Now the fun begins, fitting the hard disk and DVD-ROM. The hard disk used was a 40GB 2.5" laptop, so was more than small enough to fit in the case, but where. Lets just side step a minute. I am using a laptop hard disk as they are virtually silent, draw less power and are smaller. I am also using a slim-line (laptop) DVD-ROM drive. Again this is because a full sized drive simply would not fit in the case. If I had used a 3.5" or full CD/DVD drive I would also have required a larger PSU, which would then mean a larger case and more noise, in turn making the objective of this project unreachable. Anyway, to mount the hard disk and DVD-ROM drive I employed the help of my father to make me a bracket out of stainless steel. This allowed the DVD-ROM drive to be attached by screws on one side and a shelf on the other. The hard disk is attached via four screws from underneath. Note the tape is only there temporarily whilst some glue dries.

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Now the power and reset switches are required. Since the original MEGA-CD was controlled via an attached MEGA-DRIVE, it did not have any switches. Not wanting to damage the look of the front, I mounted two switches, donated by my brother, on the rear of the machine:

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Next is the LED’s to indicate power and hard drive activity. The front bezel has a position for two LED’s to be attached. To keep to the original colour scheme, the power LED is green and the hard disk / DVD-ROM activity LED is red. These are then connected to the motherboard in the usual way.

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Almost there. Most of my work is now sent either via email or on a pen drive. I did not want too keep fiddling around at the back of the machine to find USB ports, so I decided to mount two extra USB ports of the part of the case that rises on one side. This originally was used to connect to the MEGA-DRIVE. I required a special cable to convert the mini header to a normal USB (0.1") connector. The USB connectors themselves required significant modification, trimming, etc. to get them to fit, which was accomplished with a trusty pen knife.

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