System information

2-6
AlphaServer 800 Service Guide
Table 2-2 provides a description of the power-up countdown for output to the serial
console port. If the power-up display stops, use the beep codes (Table 2-1 and
Table 2-2) to isolate the likely field-replaceable unit (FRU).
Table 2-2 Console Power-Up Countdown Description and FRUs
Countdown
Number Description Likely FRU
ff Console initialization started Non-specific/Status message
fe Initialized idle PCB Non-specific/Status message
fd Initializing semaphores Non-specific/Status message
fc,fb,fa Initializing heap Non-specific/Status message
f9 Initializing driver structures Non-specific/Status message
f8 Initializing idle process PID Non-specific/Status message
f7 Initializing file system NVRAM TOY chip (E78)
f6 Initializing timer data
structures
Non-specific/Status message
f5 Lowering IPL Non-specific/Status message
f4 Entering idle loop NVRAM TOY chip (E78)
ef Start memory configuration
(heap)
DIMM memory or backplane
df Configure PCI and EISA bus PCI or EISA bridge chips
ee Start phase 1 drivers:
NVRAM driver. Probe EISA
and PCI bus for option
modules.
NVRAM chip (E14), PCI or
EISA option
ed Start phase 2 drivers: Non-specific/Status message
ec Start phase 3 drivers (console
select): tt serial line class,
TGA graphics, VGA
graphics, and keyboard
drivers
Keyboard, VGA or TGA
option, or backplane
eb Run power-up memory test DIMM memory