EKF SC6-TANGO, Руководство пользователя

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SC6-TANGO • CompactPC® Serial • Intel® Atom™ E39xx Processor (APL-I SoC)
Front Panel LEDs
The SC6-TANGO is equipped with five LEDs which can be observed from the front panel. Three of
these LEDs are labelled according to their primary meaning, but should be interpreted altogether
for system diagnosis:
LED
Status
PG
Green/Red
GP
Green/Red
HD
Green/Yellow
OFF GREEN OFF Sleep State S4/S5
(Suspend to
Disk/Hibernate/Soft Off)
OFF OFF GREEN Sleep State S3 (Suspend
to RAM/Standby)
GREEN RED BLINK X After Reset
GREEN X X Board Healthy and in S0
State
YELLOW BLINK X X Front panel handle is
unlocked
RED X X Hardware Failure - Power
Fault
RED BLINK X X Software Failure
PG (Power Good) LED
The SC6-TANGO offers a bicolour LED labelled PG located within the front panel. After system
reset, this LED defaults to signal different power states:
< Off Sleep state S3 or S4/S5
< Green Healthy
< Yellow blink Front panel handle open
< Red steady Hardware failure
< Red blink Software failure
To enter the PG LED state Software Failure, the bit PGLED in the board control register CTRLL_REG
must be set. The PG LED remains in this red blinking state until this bit is cleared. After that it falls
back to its default function.
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