Old Apple Newton MessagePad 130

Maybe at some time i will get to revive it and get it running again. As a first step i looked what is there and took some photos.

A vintage 12 Bit 100 kHz ADC PCI card i built during my studies (last century, around 1993).

Hardware:

• ADC Chip is a Analog Devices AD1674KN, 12 Bit, 100 kHz
• Three 74LS224AN chips to create a 16x12bit FIFO
• UM8253-5 - Programmable Interval Timer for clocking
• D8255AC general purpose programmable input/output …

A vintage DIY 6802 microcomputer system built by the 'hp Micro Computer Club' in the 1980-ies.

This was a gift from a friend. I got i running long time ago and until now it was collecting …