4-34
Sun Blade 1500 Service, Diagnostics, and Troubleshooting Manual
• December
2004
4.4.1
Motherboard Problem
FIGURE
4-29
Motherboard Problem
There is a problem with
the motherboard and
CPU.
Refer to displayed screens
table. See
.
Replace that cable or
component. See
ing Your Replacement
Procedures” on
page
Check all internal connec-
tions. See
Can you start the
Solaris operating system
and load SunVTS?
Is there a display
problem?
Are any connections
suspect?
Upon startup, does the
system beep only once?
Run all connection tests
with SunVTS. See
Possible hard drive prob-
lem. See
Consider test results for
your next step.
Y
N
Y
N
Y
N
Y
N
In normal operation, the system boots according to the
. When the system
doesn’t and all other possible component failures have
been eliminated, the motherboard is probably at fault.
Checking a component means checking the electrical con-
nections and fit.
Summary of Contents for Sun Blade 1500
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Page 432: ...B 20 Sun Blade 1500 Service Diagnostics and Troubleshooting Manual December 2004...
Page 472: ...C 40 Sun Blade 1500 Service Diagnostics and Troubleshooting Manual December 2004...
Page 500: ...Index 14 Sun Blade 1500 Service Diagnostics and Troubleshooting Manual December 2004...