This BCC-500 Discrete ROM board is 64 microcode words x 90 bits wide. There is a stiffener at one end near the double sided connector with a total 136 pins.
Identifying Numbers
Other number
AMC 1700
Handwritten in black on the board to the right of the component side near the insertion end
Other number
NE00016 2
Stamped in black on the solder side on the left
Other number
NE00016.2-1
Printed on solder to the right of the component side near the insertion end
Other number
NE00016.2-2
Printed in solder to the right of the component near the insertion end
Other number
PC895
Handwritten in black on the board to the right of the component side near the insertion end