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MVME162LX embedded controllers are factory tested and shipped
with the default configurations listed above and described in the
following sections. The MVME162LX's required and factory-
installed debug monitor, MVME162Bug (162Bug), operates with
those factory settings.
System Controller Select Header (J1)
The MVME162LX is factory-configured as a VMEbus system
controller by a jumper across J1 pins 1 and 2. If you select the
''automatic'' system controller function by moving the jumper to J1
pins 2 and 3, the MVME162LX determines whether it is the system
controller by its position on the bus. If the board is in the first slot
from the left, it configures itself as the system controller. If the
MVME162LX is not to be system controller under any
circumstances, remove the jumper from J1. When the board is
functioning as system controller, the
Note
Not system controller
For MVME162LXs without the optional VMEbus
interface (i.e., with no VMEchip2), the jumper may be
installed or removed without affecting normal
operation.
J1
J1
1
2
3
1
System Controller
(Factory
Configuration)
Hardware Preparation
LED is turned on.
SCON
J1
2
3
1
2
Auto system controller
3
2-3
2
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