Sun Microsystems Ultra 80 Service Manual page 196

d. UPA graphics card(s).
See Section 9.4.2 "Replacing the UPA Graphics Card" on page 9-11 or Section 9.4.4
"Replacing the Elite 3D UPA Graphics Card" on page 9-15.
e. PCI card(s).
See Section 9.3.2 "Replacing a PCI Card" on page 9-9.
f. NVRAM/TOD with carrier.
See Section 9.2.2 "Replacing the NVRAM/TOD" on page 9-7.
g. CPU module(s).
See Section 9.1.2 "Replacing a CPU Module".
h. Air guide.
See Section 7.6.2 "Replacing the Air Guide" on page 7-18.
i. DC-to-DC converter assembly.
See Section 7.3.2 "Replacing the DC-to-DC Converter Assembly" on page 7-8.
8. Detach the antistatic wrist strap.
9. Replace the access panel and power on the system.
See Section 6.3 "Replacing the Access Panel/Powering On the System" on page 6-6.
10. Reset the #power-cycles NVRAM variable to zero as follows:
a. Press the keyboard Stop and A keys after the system banner appears on the
monitor.
b. At the ok prompt, type:
ok setenv #power-cycles 0
c. Verify that the #power-cycles NVRAM variable increments each time the
system is power cycled.
Note – The Solaris operating environment Power Management software uses the
#power-cycles NVRAM variable to control the frequency of automatic system
shutdown if automatic shutdown is enabled.
11. Verify proper operation.
See Section 3.5 "Maximum and Minimum Levels of POST" on page 3-6.
-36 Sun Ultra 80 Service Manual • March 2000