ocr: D7D6D5D4D3D2DIDO 876543 2 Data Port 98 - 6 -5 4 3 - Pin Numbers for 25-pin 1110 - 12 - 13 DB-25 Connector Status Port 119101213 Pin Numbers for: 36-pin Centronics Connector S 1716 14"1 Control) Port 3631 1415 Table I: Pin rumber, for ibe bils oftbe tbree printer-adapter ports. Indicates that tbe pin-to-bit retation is inverted: A logic 0 at tbe pin corresponas to a logic 1 ini the corresponding register. The S entry at bit 4 irs the contros-port register is the interrupt-enable bit.
