Chapter 5 Installation
24
AI5VP/AI5VPB User’s Manual
IDE2: Secondary IDE Connector
Signal Name
Pin #
Pin #
Signal Name
Reset IDE
1
2
Ground
Host data 7
3
4
Host data 8
Host data 6
5
6
Host data 9
Host data 5
7
8
Host data 10
Host data 4
9
10
Host data 11
Host data 3
11
12
Host data 12
Host data 2
13
14
Host data 13
Host data 1
15
16
Host data 14
Host data 0
17
18
Host data 15
Ground 19 20 Key
DRQ0 21
22 Ground
Host IOW
23
24
Ground
Host IOR
25
26
Ground
IOCHRDY 27 28 Host
ALE
DACK1 29 30 Ground
MIRQ0 31 32
No
connect
Address 1
33
34
No connect
Address 0
35
36
Address 2
Chip select 0
37
38
Chip select 1
Activity 39 40 Ground
5.8 CN7: Front Bezel Connector
The front bezel of the case has a control panel which provides light
indication of the computer activities and switches to change the computer’s
status. CN7 is a 20-pin header that provides interfaces for the following
functions.
Speaker: Pins 1 - 4
This connector provides an interface to a speaker for audio
tone generation. An 8-ohm speaker is recommended.
CN7 Pin #
Signal Name
1 Speaker
out
2 No
connect
3 Ground
4 +5V
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