David G. Conroy
FPGA-Based Retrocomputing
PDP-4/X
PDP-8/X
PDP-10/X
Beta: the original Alpha PC
The drawings (PDF)
The control flows (PDF of ASCII)
The source for the PALS (TAR.GZ)
The source for an SROM and some OSF PALCODE (TAR.GZ)
The manual (PDF)
The "dear customer" letter (PDF)
The board silkscreen (PDF)