Table 4-1. Mvme2700 Leds - Motorola MVME2700 Series Installation And Use Manual

Front Panel Indicators (DS1 - DS6)
There are six LEDs on the MVME2700 front panel. The LEDs perform the
functions listed below.
LED
CHS
(DS1, yellow)
BFL
(DS2, amber)
CPU
(DS3, green)
PCI
(DS4, green)
FUS
(DS5, green
SYS
(DS6, green)
Notes At reset, a lamp test function illuminates all the LEDs.
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Table 4-1. MVME2700 LEDs

Checkstop; lights when a halt condition from the processor is
detected.
Board failure; indicates a fault is present on the MVME2700.
CPU activity; lights when the MPC750 processor bus is active.
PCI activity; lights when the PCI bus is active.
Fuse OK; indicates that +5Vdc, +12Vdc, and –12Vdc power is
available on the board.
System Controller; lights when the MVME2700 is functioning as
VMEbus system controller.
Because the LED monitors the status of several voltages
FUS
on the MVME2700, it does not directly indicate the condition
of any single fuse. If the LED flickers or goes out, check all
the fuses (polyswitches) described in Chapter 3.
Power-up the System
Function
4
4-3