D.I.Y. & EXPAND YOUR MEMORY PC877 NOS Printed Circuit Board $35 PC877 NOS PC Board with parts $70
NOS SEQUENTIAL PC877 memory expansion board for the Prophet 2000/2002 now $35.
PC877 memory expansion kit includes 22 piece passive parts kit available now for $70. DOES NOT INCLUDE 12 #I-076 DRAM ICs (41256-15) or 2 #I-257 buffer ICs (74HC244N).