Technical data

5-4 9050
Diagnostics
8. Loader loads operating system into
RAM.
a.
Operating system must
be
HP-UX
4.0
or later.
b.
Displays
os
1011
....
c.
After
"OS
10" number displayed, any error
will
cause program to stop
and
output
an
error message.
d.
Loader checks OS header
for
required amount of memory. Loads OS or displays
NOT
ENOUGH
USABLE
MEMORY;
TOTAL
IS
XXXX.
9. Displays Load Done.
a.
Transfers control to operating system.
b.
If pre
4.0
release operating system
is
used, the computer
will
stop here. Use
an
operating
system that
is
4.0 or higher.
Operating
System
Self-Tests
1.
Loader self-test results are passed to operating system
for:
a.
Further evaluation.
b.
Recording the status.
c.
Presentation as warnings and error messages.
2.
OS
configures system.
a.
Resets
110
bus and runs 1/0 self-tests again.
b.
Performs another checksum test of operating system.
c.
Assigns I/O device addresses.
3. Record error message information - Operating system records stack self-test information,
and
any other error messages for display.
4.
Initialize
110
outputs
a.
Reinitialize output device
for
display of OS messages.
b.
Initialize
110
outputs for operational tests of devices. Records self-test results of devices.
5.
NVM
checksum checked. Operating system clock set to RTC.
6. Operating system drivers look at device set. - If no self-test errors on a device set, the
110
card sets
up
a default structure. OS records the default structure
for
use by the computer.
7.
Display error messages -
OS
does not use
110
card cage
LEOs.
8.
Displays copyright messages
9. Run operation - Operating system has completed self-tests.
System
Functional Tests
The System Functional Tests are a part of the HP-UX Operating System. They are found
in
the
CE.
Il
til
i
tie
s directory. Information concerning these tests can be found
in
the Series
500
CE
Handbook
in
the Series
500
HP-UX section (Diagnostics Chapter).