Pin Signal Name Description
66 Dat<9>_ Data 9
67 Dat<10>_ Data 10
68 Dat<11>_ Data 11
A.5 Reference for the Parallel Port Connector

The parallel port connector is a DB-25 type connector located on the main logic

board back panel.

A.5.1 Parallel Port Connector Diagram

A.5.2 Parallel Port Signals

Pin Mnemonic Signal Name Description
1 Data_Strobe_L Data Strobe
Low Set low during forward channel
transfers to latch data into
peripheral device. Set high during
reverse channel transfers.
2 to 9 Data[0..7] Data0 Through
Data7 The main data bus for the parallel
port. Data0 is the least significant
bit (LSB). Are not used during
reverse channel transfers.
240 Sun Enterprise 220R Server Service Manual ♦January 2000, Revision A