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18 Mungo540 User’s Manual
Front Bezel Connector
J1: Speaker Out: Pins 1 - 4
This connector provides an interface to a speaker for audio
tone generation. An 8-ohm speaker is recommended.
Pin #
Signal Name
1
Speaker out
2
No connect
3
Ground
4
+5V
J6: Power LED
J5: SMI / Hardware Switch
J4: Hard Disk Drive LED
J3: Reset Switch
J3: Reset Switch: Pins 1 and 2
The reset switch allows the user to reset the system without
turning the main power switch off and then on again.
Orientation is not required when making a connection to this
header.
Pin #
Signal Name
1
Reset
2
Ground
J4: Hard Disk Drive LED Connector: Pins 1 and 2
This connector connects to the hard drive activity LED on
control panel. This LED will flash when the HDD is being
accessed.
Pin #
Signal Name
1
HDD
2
5V
Содержание Mungo540
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Страница 90: ...82 Mungo540 User s Manual Appendix A I O Port Address Map B Interrupt Request Lines IRQ...