Figure 2-1 Default Boot Mode - Sun Microsystems SPARCstation 2 Service Manual

2
20
The flowchart in Figure 2-1 outlines the roles played by various diagnostics
during the default boot mode.
Power on switch
Low level post
Display errors
No POST
on keyboard
passed
LEDs
Probe SBus devices
and interpret their drivers.
High level tests. You will
see Testing when these
tests are run.
Auto-boot?
Yes
Diag
switch?
Boot from
Boot from
device path
device path
/sbus/esp
/sbus/le
/sd@3,0
Figure 2-1 Default Boot Mode
SPARCstation 2 Field Service Manual—February 1991
Yes
L1-A to get to
the > or ok prompt
No
> or ok prompt
b command at >
prompt or boot
Yes (default)
command at ok
prompt
No (default)
Boot user-
specified
program