Base memory PCB soldered

Base memory PCB soldered

Sep

21

2010

Soldering is so much faster than wire wrapping, and my last evening’s session proves that. I managed to complete my base memory PCB in two hours, from workshop setup to actual soldering to plugging all parts into their sockets. This exercise was so encouraging that I am seriously considering building the ALU part of the ...
read more →

Construction

Main CPU board assembly completed

Main CPU board assembly completed

Sep

20

2010

I have finally completed wire-wrapping the CPU’s main board. It consists of 82 ICs, 51 power filter caps, 26 resistors, one oscillator, one power led, one reset button, two HP hexadecimal displays, two 64-pin IDC headers, a molex power connector and lots of AWG 30 kynar wiring. In fact, there is around 1600 wires, and ...
read more →

Construction