General Purpose Input/Output

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Port Assignments

Pin Assignment
GPIO 0 WLAN LED
GPIO 1 Power LED
GPIO 2 Cisco LED White
GPIO 3 Cisco LED Orange
GPIO 4 Front Button?
GPIO 5 Unkown
GPIO 6 Reset Button?
GPIO 7 DMZ LED

LEDs

Research Notes:

  • When an LED is enabled, its input bit becomes 0.
  • Once an LED is enabled, if its output bit is 0, the LED is on and if its output bit is 1, the LED is off.

Resources