We’d like to give a special thanks to Izumi Ohzawa for generously donating pictures of the rare NeXT DSP memory expansion SIMM.

Izumi Ohzawa, Ph.D.
Graduate School of Frontier Biosciences, and School of Engineering Science
Osaka University
1-3 Machikaneyama, Toyonaka 560-8531 Japan
http://ohzawa-lab.bpe.es.osaka-u.ac.jp/ohzawa-lab/izumi/spikecoder/