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A.5 IDE hard drive connector (CN15)
Table A-5: IDE hard drive connector
Pin Signal
1
IDE RESET*
3
DATA 7
5
DATA 6
7
DATA 5
9
DATA 4
11
DATA 3
13 DATA 2
15 DATA 1
17 DATA 0
19 SIGNAL GND
21 DRQ*
23 IO WRITE*
25 IO READ*
27 IO CHANNEL READY 28 N/C
29 ACK
31 IRQ14 (IDE IRQ)
33 ADDR 1
35 ADDR 0
37 HARD DISK
SELECT 0
39 IDE ACTIVE*
41 VCC
43 GND
* low active
A.6 COM1 RS-232 serial port (CN19)
Table A-6: COM1 RS-232 serial port
Pin
1
2
3
8 6
PCM-5825 User's Manual
Pin Signal
2
GND
4
DATA 8
6
DATA 9
8
DATA 10
10 DATA 11
12 DATA 12
14 DATA 13
16 DATA 14
18 DATA 15
20 N/C
22 GND
24 GND
26 GND
30 GND
32 IOCS16*
34 N/C
36 ADDR 2
38 HARD DISK
SELECT 1
40 GND
42 VCC
44 N/C
Signal
DCD
RxD
TxD
44
43
42
41
4
3
2
1
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