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Multiple Module Cage Configuration
Multiple MVME167s may be configured into a single VME card
cage. In general, hardware multiprocessor features are supported.
GCSR Location Monitor Register
Other MPUs on the VMEbus can interrupt, disable, communicate
with and determine the operational status of the CISC processor(s).
One register of the GCSR set includes four bits which function as
location monitors to allow one MVME167 processor to broadcast a
signal to other MVME167 processors, if any. All eight of the GSCR
registers are accessible from any local processor as well as from the
VMEbus.
Ethernet LAN (+12 Vdc) Fuse
The MVME167 provides +12 Vdc power to the Ethernet LAN
transceiver interface through a 1-amp fuse (F2) located on the
MVME167. The +12V LED lights when +12 Vdc is available. The
fuse is socketed and is located adjacent to diode CR1 near connector
P1. If the Ethernet transceiver fails to operate, check the fuse. When
using the MVME712M transition module, the yellow LED (DS1) on
the MVME712M front panel lights when LAN power is available,
indicating that the fuse is good.
Note
Your MVME167 may have a poly-switch instead of a 1-
amp fuse. If the Ethernet transceiver fails to operate
and the poly-switch is open, power off the chassis and
wait a while before re-applying power.
System Considerations
3-27
3
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