Filter
Top Products
Chapter 2 Connecting Peripherals
27
2.13 Front Panel Connectors
(CN16, CN17, CN18, CN19 and CN21)
There are several external switches to monitor and control the
PCA-6359 Series.
2.13.1 Keyboard lock and power on LED (CN16)
CN16 is a 5-pin connector for the keyboard lock and power on LED.
Refer to Appendix B for detailed information on the pin assignments.
If a PS/2 or ATX power supply is used, the system's power LED status
will be as indicated below:
Table 2-2: PS/2 or ATX power supply LED status
Power mode LED (PS/2 power) LED (ATX power)
System On On On
System Suspend Fast flashes Fast flashes
System Off Off Slow flashes
2.13.2 External speaker (CN17)
CN17 is a 4-pin connector for an extenal speaker. If there is no
external speaker, the PCA-6359 Series provides an onboard buzzer as
an alternative. To enable the buzzer, set pins 3-4 as closed.
2.13.3 Reset (CN18)
Many computer cases offer the convenience of a reset button. Connect
the wire from the reset button to CN18.
2.13.4 IDE LED (CN19)
You can connect an LED to connector CN19 to indicate when the
HDD is active.