Specifications

Table 5-4. Geneml Fdum Code Descriptions (Lower Two Bits Fd Indicator)
.ower2 Bits
Fail Indicator
LED Code and Failure Description
State indicationsonly
:
Q
0 @ LEDs indicate power-up state
:
0
Q
Miscellaneous
o Ignore.
(highest priority)
o Ignore.
o
0
@ FaiIure indicator.
@ Failure indicator.
Q FailUre in(ji~tor.
@ Failure indi~tor.
Internal peripheral failure
O Ignore.
(medium priority)
0
Ignore.
o
●
o
Peripheral number.
@ Peripheral number,
@ Peripheral number.
0 Peripheral number.
Internal interface failure
o Ignore.
(lowest priority)
o Ignore.
●
@ Select code.
@ se]e~t code,
@ Select code.
@ Select de.
@ Select de.
State and Failure Codes
Table 5-5 lists the LED state and failure codes used by the Boot ROM.
5-6
Diagnostics