ADLINK cPCI-6520 - Manual (Page 35)

Board Interfaces 23
cPCI-6520
4.3 cPCI-6520 Front Panel
Figure 4-3: cPCI-6520 Front Panel
Status LEDs
General Purpose LEDs
In default mode, these eight LEDs display the POST codes output
to Port 80h during system bootup. For example, if the Bit7 > Bit0
output is “01110101”, then the port 80h output is “75h” (See
“Checkpoints & Beep Codes” on page 105).
LED Color Condition Indication
Power
Green
OFF System is off
ON System is on
Blink
Fail to power on
(payload power failure)
HotSwap
Blue
OFF Handles closed, System is on
Fast Blink
Preparing to shut down system
(LED: 0.1s on, 0.9s off.)
ON
Handles open and blade ready
to be removed
Slow Blink
Voltages out of tolerance:
3.3V, 5V, 12V, 1.5V over ±5%
(LED 2s on, 1s off)
WDT
Red
OFF No Watchdog event
ON Watchdog event alert
HDD
Amber
OFF No drive activity
Blink
SATA, CF data read/write in
process
Status
LEDs
PMC/XMC COM1
DisplayPort
Reset
Button
GbE 1/2 USB 3.0
General
Purpose LEDs