Всю документацию брал с http://bitsavers.trailing-edge.com/

VaFFM -- http://bitsavers.trailing-edge.com/p...nual_Aug91.pdf
DHM -- http://bitsavers.trailing-edge.com/p...nual_Aug91.pdf
SSM -- http://bitsavers.trailing-edge.com/w...t%20Manual.pdf