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Appendix A: Master Controller Features
Master Controller Processor
The Master Controller II+ is an 80386SX-based processor that is delivered with the
UNIX System V/386 Release 3.2.2 operating system and appropriate expansion
boards already installed. This unit has a total of four expansion board slots; however,
three of the slots are available. The Master Controller II+ is equipped with a hard
disk and a 3.5-inch diskette drive.
The Master Controller III is an 80486SX-based processor that is delivered with the
UNIX System V Release 3.2.2 operating system and appropriate expansion boards
already installed. This unit has a total of 10 expansion board slots; however, seven
of the slots are available. The Master Controller III is equipped with a hard disk and
a 3.5-inch diskette drive.
Reset Button
The Reset button resets the Master Controller and causes the Power On Self-Test to
execute. You can use it to restart the system without turning off the power.
NOTE:
Resetting the Master Controller should always be preceded by a system
shutdown as described in Chapter 4, “Maintaining IS-III.”
For the Master Controller II+, the Reset button is inside the door on the front panel
(on the left side of the compartment behind the door).
For the Master Controller III, the Reset button is on the front paneI.
Power Button
The power pushbutton turns the system power OFF and ON.
NOTE:
Shutting the power OFF should always be preceded by a system shutdown as
described in Chapter 4, “Maintaining IS-III.”
For the Master Controller II+, the power button is located on the lower right of the
system module front panel.
For the Master Controller III, the power button is located on the front panel, to the
right of the 3.5-inch disk drive.
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