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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