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System Considerations
1
MVME1600-001 Base Board
1-46
If you are installing multiple MVME1603/1604s in an
Note
MVME945 chassis, do not install an MVME1603/1604
in slot 12. The extra thickness of the module may cause
clearance difficulties in that slot position.
Other MPUs on the VMEbus can interrupt, disable, communicate
with, and determine the operational status of the processor(s). One
register of the GCSR (global control/status register) set includes
four bits that function as location monitors to allow one
MVME1603/1604 processor to broadcast a signal to any other
MVME1603/1604 processors. All eight registers are accessible from
any local processor as well as from the VMEbus.
The MVME1600-001 and MVME1600-011 base boards draw +5Vdc,
+12Vdc, and –12Vdc power from the VMEbus backplane through
connectors P1 and P2. The 3.3Vdc power (used by the ISA Super
I/O device on the base board, and by the PM603 or PM604
processor/memory mezzanine) is derived on-board from the
+5Vdc.
The MVME1600-001 base board furnishes +12Vdc, –12Vdc, and
+5Vdc power to the MVME760 transition module through
polyswitches (resettable fuses) F4, F2, and F3. The MVME760 uses
these voltage sources to power the serial port drivers and any LAN
transceivers connected to the transition module. The
on the MVME1600-001 front panel illuminates when all three
voltages are available.
The fused +5Vdc power is also supplied to the base board's
keyboard and mouse connectors and to the 14-pin combined LED-
mezzanine/remote-reset connector, J1.
LED (DS5)
FUS
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