Board labeled Ramtek (c) 1974
ASSY NO 501082B
Back had P/N 501083B and one jumper wire
Sockets at A0 and D7 were empty
A worn out sticker had "Cle      " hand written on it (clean sweep?)

ramtek1.k3 = n82s123B
ramtek1.B6 = n82s123B

ramtek1.bmp is a graphics dump of the proms