1-2 Sun Blade 1500 Service, Diagnostics, and Troubleshooting Manual • December 2004
TABLE 1-1 provides a summary of these diagnostics tools.
TABLE 1-1 Summary of Diagnostic Tools
Diagnostic Tool Type of Tool What the Tool Does How Tool is Used
System LEDs Hardware Shows status of system or of
a specific component.
Power button LED indicates system
state. TPE and optical drive LEDs
indicate activity. Motherboard LED
indicates standby power.
System sounds Hardware Indicates system condition. Beeps heard from workstation internal
speaker indicate POST completion,
Solaris boot, or system failure. See
“Audio Responses” on page 3-12.
NVRAM Firmware Contains properties and flags
to configure system and
diagnostic tests.
The setenv command typed at the ok
prompt or the eeprom command in a
terminal window can configure the
OpenBoot PROM for diagnostics and
automatic execution of scripts. See
“NVRAM” on page 6-1.
POST diagnostics Firmware Tests workstation core
components such as CPU and
memory.
Checks low-level interaction between
CPU, caches, memory, JBus, and PCI
bridge. Output displayed through serial
port. See
“Power-On Self-Test” on
page 7-1.
OpenBoot
Diagnostics
Firmware Tests system motherboard
and component interfaces.
Component tests are selected from
menu. If component is PCI card with
IEEE 1275 compliant Fcode, internal self-
test is executed. See
“OpenBoot
Diagnostics” on page 8-5.
SunVTS Software Exercises and stresses
workstation components.
Invoked from the Solaris operating
system. Command-line or GUI user
interface. SunVTS must be installed on
the system under test. See
“SunVTS” on
page 9-1.
Solaris Operating
System
Software Commands display system
information.
Commands iostat, prtdiag,
prtconf, netstat, ping, ps, and
prstat are run with superuser
privileges. See
“Troubleshooting
Commands” on page 3-15.
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