General Purpose Readable Jumpers On Header J1; System Controller Header J2 - Motorola MVME167 Series User Manual

Hardware Preparation and Installation
System controller select (J2)
2
Serial port 4 clock configuration select (J6 and J7)
SRAM backup power source select (J8) (optional)

General Purpose Readable Jumpers on Header J1

Each MVME167 may be configured with readable jumpers. These jumpers can be read
as a register (at $FFF40088) in the VMEchip2 LCSR. The bit values are read as a one
when the jumper is off, and as a zero when the jumper is on.

System Controller Header J2

The MVME167 can be VMEbus system controller. The system controller function is
enabled/disabled by jumpers on header J2. When the MVME167 is system controller,
the SCON LED is turned on. The VMEchip2 may be configured as a system controller
as follows.
(Factory Configuration)
2-2
2
1
GP10 GP11 GP12 GP13 GP14 GP15 GP16 GP17
All Zeros (Factory Configuration)
J2
2
1
System Controller
J1
J2
2
1
Not System Controller
MVME167 Single Board Computer User's Manual
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