Chapter 1 Motherboard Description
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1.7.3.3 Parallel Interface Port: JPRNT1
Unlike the serial port, parallel interface port has been standardized, and it should
not present any difficulty interfacing peripherals of your system. Sometimes called
centronics port, the parallel port is almost exclusively used with printers. The
parallel port on your system has a 25-pin, DB25 connector (see picture below). The
pinout for the parallel port are shown in the table below.
Signal Pin
-Strobe 1
Data 0 2
Data 1 3
Data 2 4
Data 3 5
Data 4 6
Data 5 7
Data 6 8
Data 7 9
-Ack 10
Busy 11
Paper Empty 12
+Select 13
-Auto FDXT 14
-Error 15
-Init 16
-SLCTN 17
Ground 18
Ground 19
Ground 20
Ground 21
Ground 22
Ground 23
Ground 24
Ground 25
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