Sun Microsystems Netra t 1120, Service Manual, Page: 120 / 148

10-28 Netra t 1120/1125 Service Manual • August 1998
c. Alarms card.
See Section 10.6.2 “To Replace the Alarms Card” on page 10-23.
d. NVRAM/TOD with carrier.
See Section 10.3.2 “To Replace a NVRAM/TOD” on page 10-11.
e. Dual processor bracket.
See Section 10.1.4 “To Replace the Dual Processor Bracket” on page 10-6.
f. CPU module(s).
See Section 10.1.2 “To Replace a CPU Module” on page 10-4.
7. Replace the power supply.
See Section 8.1.2 “To Replace the Power Supply” on page 8-5.
8. Replace the top access cover.
See Section 7.3 “To Replace the Top Access Cover” on page 7-6.
9. Power on the system.
See Section 6.1 “To Power On the System” on page 6-2.
10. Detach the wrist strap.
11. Reset the
#power-cycles
NVRAM variable to zero as follows:
a. Set system power to on.
See Section 6.1 “To Power On the System” on page 6-2.
b. Send a Break command after the system banner appears on the monitor.
c. At the
ok
prompt, type:
d. 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 it is enabled.
ok setenv #power-cycles 0