Pin
Signal
21
N/C
23
IO WRITE
25
IO READ
27
IO CHANNEL READY
29
N/C
31
IRQ14
33
ADDR 1
35
ADDR 0
37
HARD DISK SELECT 0
39
IDE ACTIVE
41
VCC
43
GND
Pin
Signal
1
DCD
2
DSR
3
RxD
4
RTS
5
TxD
6
CTS
7
DTR
8
RI
9
GND
10
N/C
Pin
Signal
1
+5 V
2
GND
3
+12 V
Pin
Signal
22
GND
24
GND
26
GND
28
N/C
30
GND
32
IOCS16
34
N/C
36
ADDR 2
38
HARD DISK SELECT 1
40
MGND
42
MVCC
44
N/C
Appendix C Pin Assignments
83