Front Panel Indicators (Ds1 - Ds6); Table 2-1. 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.
Notes
1. At reset, a lamp test function illuminates all the LEDs.
2. Because the
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Table 2-1. MVME2700 LEDs

LED
CHS Checkstop; lights when a halt condition from the
(DS1, yellow) processor is detected.
BFL Board failure; indicates a fault is present on the
(DS2, amber) MVME2700.
CPU CPU activity; lights when the MPC750 processor bus is
(DS3, green) active.
PCI PCI activity; lights when the PCI bus is active.
(DS4, green)
FUS
Fuse OK; indicates that +5V DC, +12V DC, and
(DS5, green –12V DC power is available on the board.
SYS
System Controller; lights when the MVME2700 is
(DS6, green) functioning as VMEbus system controller.
LED monitors the status of several voltages on the
FUS
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
Power-up the System
Function
Chapter 3, Functional Description.
2-3
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