PEB-4720 Main Board
65
9000PB0230 I/O Board Pin Definition
9000PB0230 Third I/O board includes external CD ROM port.
CN2
External CD ROM connector
PIN
No
Description
PIN
No
Description
1
IDE RESET
2
GND
3
DATA7
4
DATA8
5
DATA6
6
DATA9
7
DATA5
8
DATA10
9
DATA4
10
DATA11
11
DATA3
12
DATA12
13
DATA2
14
DATA13
15
DATA1
16
DATA14
17
DATA0
18
DATA15
19
GND
20
GND
21
IO WRITE
22
ADDR2
23
IO READ
24
ADDR1
25
HD READY
26
ADDR0
27
IRQ14
28
HDD SELECT0
29
GND
30
HDD SELECT1
31
VCC
32
VCC
33
LINE-L
34
VCC
35
GND
36
LINE-R