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16
CN1 & CN4 IDE Hard Disk Port Connectors
Pin Signal Pin Signal
1 IDERST/ 2 GND
3 IDED7 4 IDED8
5 IDED6 6 IDED9
7 IDED5 8 IDED10
9 IDED4 10 IDED11
11 IDED3 12 IDED12
13 IDED2 14 IDED13
15 IDED1 16 IDED14
17 IDED0 18 IDED15
19 GND 20 Not Used
21 Not Used 22 GND
23 IDEIOW/ 24 GND
25 IDEIOR/ 26 GND
27 Not Used 28 IDEALE
29 Not Used 30 GND
31 IRQ14 32 IOCS16/
33 IDESA1 34 Not Used
35 IDESA0 36 IDESA2
37 HDCS0/ 38 HDCS1/
39 IDEACT/ 40 GND
CN3 Printer Interface Connector
Pin Signal Pin Signal
1 STROBE/ 14 AUTOFD/
2 PDAT0 15 ERROR/
3 PDAT1 16 INIT/
4 PDAT2 17 SLCTIN/
5 PDAT3 18 GND
6 PDAT4 19 GND
7 PDAT5 20 GND
8 PDAT6 21 GND
9 PDAT7 22 GND
10 ACK/ 23 GND
11 BUSY 24 GND
12 PE 25 GND
13 SLCT 26 GND
CN12 Serial Port #1 9-pin Sub D Connector
Pin Signal Name
1 CARRIER DETECT #1
2 RECEIVE DATA #1
3 TRANSMIT DATA #1
4 DATA TERMINAL READY #1
5 GND
6 DATA SET READY #1
7 REQUEST TO SEND #1
8 CLEAR TO SEND #1
9 RING INDICATOR #1