
Operating Instructions
3-2
MVME167 Single Board Computer User’s Manual
3
❏
The red FAIL LED (part of DS1) lights when the BRDFAIL signal line is active.
❏
The MC68040 status lines are decoded, on the MVME167, to drive the yellow
STAT (status) LED (part of DS1). In this case, a halt condition from the processor
lights the LED.
❏
The green RUN LED (part of DS2) lights when the local bus TIP* signal line is
low. This indicates one of the local bus masters is executing a local bus cycle.
❏
The green SCON LED (part of DS2) lights when the VMEchip2 in the MVME167
is the VMEbus system controller.
❏
The green LAN LED (part of DS3) lights when the LAN chip is local bus master.
❏
The MVME167 su12V power to the Ethernet transceiver interface
through a fuse. The green +12V (LAN power) LED (part of DS3) lights when
power is available to the transceiver interface.
❏
The green SCSI LED (part of DS4) lights when the SCSI chip is local bus master.
❏
The green VME LED (part of DS4) lights when the board is using the VMEbus
(VMEbus AS* is asserted by the VMEchip2) or when the board is accessed by the
VMEbus (VMEchip2 is the local bus master).
Содержание MVME167 Series
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