Sun Microsystems Blade 1500 Service, Diagnostics, And Troubleshooting Manual page 120

P
Can you get the
ok prompt?
Y
Can you run OpenBoot
Diagnostics?
Y
Use the test-all com-
mand from OpenBoot
Diagnostics. See "Open-
Boot Diagnostics" on
page 8-5.
Consider test results for
your next step.
FIGURE 4-31
4-36 Sun Blade 1500 Service, Diagnostics, and Troubleshooting Manual • December 2004
N
Is there any
output from the serial
ports at power on?
Y
Run POST. See "Power-On
Self-Test" on page 7-1.
Can you run POST?
Y
Were
error messages about
memory displayed?
Y
Problem with memory.
See "Memory Problem"
on page 4-37.
N
Replace motherboard.
See "Replacing the Moth-
erboard" on page 11-43.
Motherboard Problem (Continued)
N
N
Check the NVRAM and
replace if necessary. See
"Replacing the NVRAM"
on page 11-25.
N
Compare POST output
with table. See "POST
Output" on page 7-6.
Consider comparison for
your next step.
Replace motherboard.
See "Replacing the Moth-
erboard" on page 11-43.