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8.3 Indicator LEDs
8.4 Digital I/O LEDs
Page 40
A row of mini LEDs to the left of the POST
display indicates the following:
LED20 5Vsb: ATX power attached
on standby or active
LED2
HDD: Hard disk activity
(SATA and PATA)
LED21 WDT: programmable LED to debug
watchdog during count down
LEDX1 - LEDX8 are indicators for the
Digital I/O Connector CNY2. When the I/O
signal is high, the LED will light. The I/O 0
signal corresponds to LEDX1, and the I/O 7
signal corresponds to LEDX8.
Express-BASE User's Manual
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