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. Written in black on the component is "TEST BOARD."
Identifying Numbers
Other number
AMC#15
Handwritten in black on the board to the right of the component side near the insertion end
Other number
NE00016.2-1
Printed in solder to the right of the component side near the insertion end
