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Your favorite classroom (take the photo from where you like to sit) - Computer Lab
Why is this classroom your favorite? Math class
This is my now finished home built Z80 based computer in an earlier state. 32K RAM, 16K ROM, 4 MHz.
Yellow wires are address wires, red wires are data wires and black wires are miscellaneous.
I began building it in the beginning of 1990 as an evening activity with the local Young Scientists club. At the time of this photo It's almost finished, apart from the clock-circuit, programming and debugging. The only hardware it lacks is capacitors for the clocks and the IC's, and some wiring for the serial interface.
Update May 14 2011 - I found the block drawing for it and the design for the clock circuit so I now know what capacitor I need to make it tick. Yay!
Update June 2021 - Finally got it working after thoroughly checking all the wirings and getting inspiration from the vast resources of internet.
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This was Pentium 3 machine. The motherboard had already plenty of stability problems and it totally stopped working when I was playing with it and legos. The MB was from small size Fujitsu desktop. Everything was integerated to one MB. If I remember correctly, it was running Slackware 10.0.
Shortly after I got my new MacBook, this is what our dining room table looked like as I transferred files from the two old ones.
Taken w/my BlackBerry Pearl cameraphone.