LBI-38962
31
TURNING ON THE EDG
To turn the EDG on, turn the key on the power supply to the UNLOCK position and flip the circuit breaker to the
ON position. The following sequence occurs when the EDG is booted (via power cycle, reset key, or reboot
command):
EDG BOOT SEQUENCE
Step
CAP Board
VCOM24 Board(s)
1.
Board Initializes Itself.
The FAIL, STATUS, and SCON LEDs
are lit for 1 second.
FAIL is turned off, STATUS flickers, and
RUN is lit for around 10 seconds.
RUN flickers.
If the hard disk has never been formatted,
or has been replaced, a prompt will
appear asking if a high level format
should be performed. If the response is
'Y', a high level format will begin.
Board Initializes Itself.
SYSFAIL and all of eight small LEDs
flash on for 1 second.
The RUN LED is lit and all others are
turned off for around 10 seconds.
The sixth LED is lit to indicate that the
VCOM24 Board has posted an interrupt
to the CAP Board.
2.
If present, LOADER.SX is copied from
the floppy to the hard drive.
The LOADER.SX from the hard drive is
loaded into RAM and executed.
If present, CAP.SX, TSI.SX, HDI.SX,
and SYSTEM.TXT are copied from the
floppy to the hard drive.
3.
Board extends multiprocessor OS across
all boards.
Board joins the multiprocessor OS.
The small LEDs walk from 0 to 7 and
back to indicate that the board will accept
a download.
4.
The Loader parses the SYSTEM.TXT
file for the application pathnames. It then
copies the applications to the CAP Board
and VCOM24 Boards.
Board accepts download.
When the download completes, the board
number (2 through 10) is displayed on the
small LEDs. If the board isn't
configured, they sequence indefinitely.