Kreisen 3 8 6 X / X E - Manual (Page 156)

Removing The MotherBoard
In order to change the settings defined by these jumpers, it will
be necessary to remove the system motherboard from the
chassis. To do this, follow these steps, referring to Chapter 7,
“Expanding Your System,” where necessary:
Unplug all of the cables from the rear panel of the main
system unit.
Remove the main system unit cover.
Remove all expansion boards from their slot connectors on
the system motherboard, noting the location of each board
and any internal cable connections, for re-installation later.
Carefully unplug all of the cables connected to the system
motherboard, noting their locations for later.
Remove the several screws that attach the system
motherboard to the chassis.
Carefully slide the motherboad out of the chassis.
To re-install the motherboard, reverse this procedure.
Switches
Once the motherboard is out of the chassis, proceed to set the
configuration switches
hardware.
to match the changes in the system
System MotherBoard B-3