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Table 15. Primary IDE Hard Drive Connector (CN3)
Pin Signal Pin Signal
1 PRI_IDERST# 2 GND
3 PDD7 4 PDD8
5 PDD6 6 PDD9
7 PDD5 8 PDD10
9 PDD4 10 PDD11
11 PDD3 12 PDD12
13 PDD2 14 PDD13
15 PDD1 16 PDD14
17 PDD0 18 PDD15
19 GND 20 NC
21 PDREQ 22 GND
23 PDIOW# 24 GND
25 PDIOR# 26 GND
27 PIORDY 28 GND
29 PDDACK# 30 GND
31 IRQ14 32 NC
33 PDA1 34 P66DET
35 PDA0 36 PDA2
37 PDCS#1 38 PDCS#3
39 IDEACTP# 40 GND
41 +5V 42 +5V
43 GND 44 NC
Table 16. Parallel Port Connector (CN4)
Pin Signal Pin Signal
1 Strobe # 2 Auto Form Feed #
3 Data 0 4 Error #
5 Data 1 6 Initialize #
7 Data 2 8 Printer Select In #
9 Data 3 10 GND
11 Data 4 12 GND
13 Data 5 14 GND
15 Data 6 16 GND
17 Data 7 18 GND
19 Acknowledge # 20 GND
21 Busy 22 GND
23 Paper Empty # 24 GND
25 Printer Select 26 NC