Table 6-19. On-Board Led Status Indicators - Motorola MBX Series Installation And Use Manual

Jumpers, Connectors, and LEDs
6
6-30
LEDs (DS1–DS8) on board the MBX. The following table describes the
function of the on-board LEDs.

Table 6-19. On-board LED Status Indicators

LED Status
at Reset
DS3 (green) On
DS1 (green) On
DS2 (green) On
DS4 Off
(orange)
DS5 Off
(yellow)
DS6 Off
(yellow)
DS7 (green) Off
DS8 (green) Off
Note
This table shows the recommended configuration. Statuses of
DS4, DS5, and DS6 may vary because their functions are defined
by software and controlled via control register #2. The current
release of EPPCBug does not support these status indicators. If
you are using EPPCBug, DS4, DS5, and DS6 will always be on
(lit).
Function
+3.3Vdc OK; lights when +3.3Vdc power is
available on the MBX board.
+5Vdc OK; lights when +5Vdc power is available on
the MBX board.
+12Vdc OK; lights when +12Vdc power is available
on the MBX board.
Board failure; lights when a fault is present on the
MBX board. (See note.)
Battery status; lights when the on-board or external
battery is low. (See note.)
Flash programming status; lights when the Flash is
being reprogrammed. (See note.)
CPU activity; lights when the MPC8xx processor bus
is active. Should extinguish when board is reset.
PCI activity; lights when the PCI bus is active. Valid
only on standard configurations of the MBX board;
should remain off on entry-level configurations.
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