Chapter 2 Installation 21
Power LED connector (J1)
You can connect a LED to indicate when the CPU card is on.
Power LED connector (J1)
Pin
Function
1
LED Power (+5V)
2
Ground
IDE LED connector (J2)
You can connect a LED to indicate that an IDE device is in use.
The pin assignments for this jumper are as follows:
IDE LED connector (J2)
Pin
Function
1 -R/W IDE
2 Pull high
Int/Ext Buzzer (J3)
The CPU card has its own buzzer. You can connect an external
speaker to pin1 and pin4. Enabling the external speaker automati-
cally disables the internal buzzer.
Connecting pin3 and pin4 will enable the internal buzzer and
disable the external buzzer.
Int/Ext Buzzer (J3)
Pin
Function
1
speaker
2
signal
3
buzzer
4
signal
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