BYTEC/16

First PCB

Aug

27

2010

The base memory PCB described in one of the previous posts arrived in mail a week ago. The manufacturing and shipping process took BatchPCB (and USPS) exactly three weeks. Not bad, considering my design was first delivered to them on-line, then they had to lay out an entire panel of other peoples’ designs, then the ...

Got case 2

Aug

6

2010

Last time I mentioned I would be using a standard 19-inch rack mounted case to house my machine. Well, I just got one from eBay. It is a used unit but in a very good condition, and fully tested by the seller. The labels in the back indicate it was decommissioned from Deutsche Post. Unfortunately, ...

Memory Board

Jul

28

2010

I ran out of kynar wire and was forced to take a break from wrapping so I decided to take this opportunity and design a custom PCB for my memory module. Since this was my first attempt to lay out a board, it took me over a week – much longer than I had expected (yes, I ...

Status report

Jul

15

2010

Not much to celebrate, progress is still slow. I am working on the project only in short evening sessions, and spending time on other stuff on weekends. The current status is that I have completed the control module wiring, and placed MSW and bus interfaces components on the board. Next, I will continue wiring these ...

Still hundreds of wires to go

Jun

21

2010

Serious life has been keeping me busy recently, so wire wrapping progress is very slow. I only managed to lay out the control module and wrap few wires. At this speed looks like it will take me several months to complete so I need to find some time and progress more. Meanwhile, here are the ...

Parts arrived, first wires wrapped

Jun

11

2010

I received the CPU parts I ordered a few days ago. I think I have everything I need now, no more excuses. Surprisingly, all necessary TTL components were in stock at my electronic parts supplier. That’s more than 120 LS-type TTL integrated circuits. The parts come from different manufacturers, and some are of course second-hand, recycled ...

First PCB

Got case 2

Memory Board

Status report

Still hundreds of wires to go

Parts arrived, first wires wrapped

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