IBM XSERIES 220 manual Serial ports, Pin SPP/ECP Signal EPP Signal

Parallel port connector

The following table shows the pin-number assignments for the 25-pin, female D-shell parallel-port connector on the system board.

		13		1
		25		14
Pin	I/O		SPP/ECP Signal		EPP Signal
1	O		-STROBE		-WRITE
2	I/O		Data 0		Data 0
3	I/O		Data 1		Data 1
4	I/O		Data 2		Data 2
5	I/O		Data 3		Data 3
6	I/O		Data 4		Data 4
7	I/O		Data 5		Data 5
8	I/O		Data 6		Data 6
9	I/O		Data 7		Data 7
10	I		-ACK		-ACK
11	I		BUSY		-WAIT
12	I		PE (paper end)		PE (paper end)
13	I		SLCT (select)		SLCT (select)
14	O		-AUTO FD (feed)		-AUTO FD
15	I		-ERROR		-ERROR
16	O		-INIT		-INIT
17	O		-SLCT IN		-SLCT IN
18	-		Ground		Ground
19	-		Ground		Ground
20	-		Ground		Ground
21	-		Ground		Ground
22	-		Ground		Ground
23	-		Ground		Ground
24	-		Ground		Ground
25	-		Ground		Ground

Table 9. Parallel-port connector pin-number assignments.

Serial ports

The server has two standard serial (communication) ports: serial port A and serial port B.

Installing options 87