Description Description Micropolis Model # 1325 D p/n: 900526-01-3K. Digital TK50 Tape Drive. Digital M7555 Controller card. Digital M7546 QBUS Tape controller card. Digital M8020 Serial Sync Interface Board. Digital M7516YM Ethernet Turbo Module. SI-QS 1000 Board. Avalon A7Q CPU p/n: 060083. Clearpoint Inc. MV2RAM/8. Digital M7609-AH Memory Circuit board. Digital M7606 AF CPU Module. View AllClose