Table of Contents
Advertisement
INSTALLATIONS
J2: Digital I/O
Signal Name
J3: System Function Connector
J3 provides connectors for system indicators that provide light indication
of the computer activities and switches to change the computer status. J3
is a 20-pin header that provides interfaces for the following functions.
Hard Disk Drive LED
Speaker: Pins 1 - 4
This connector provides an interface to a speaker for audio
tone generation. An 8-ohm speaker is recommended.
Power LED: Pins 11 - 15
18
Pin
GND
1
OUT3
3
OUT2
5
IN3
7
IN2
9
Not Defined
Not Defined
Speaker
MB896 User' s Manual
Pin
Signal Name
2
VCC
4
OUT1
6
OUT0
8
IN1
10
IN0
Reset Switch
ATX Power On Switch
Power LED
Pin #
Signal Name
1
Speaker out
2
No connect
3
Ground
4
Pin #
Signal Name
11
Power LED
12
No connect
13
Ground
14
No connect
15
Ground
+5V
Advertisement
Chapters
Table of Contents
