Setting this switch to ON clears CMOS and sets it and the real-time clock
(RTC) to the manufacturing defaults during system reset. Setting it to
OFF preserves the settings during system reset.
To reset the system's CMOS and RTC chip to factory default values, do
Remove the ECC memory module card(s).
Set the switch to ON, replace the memory card(s) and side panel and
connect the power lead to the system.
Turn the system on and wait for POST to complete. This
automatically reprograms the CMOS and RTC to their default
Turn the system off, disconnect the power cord from the system, and
remove the side panel and memory cards.
Set the switch to OFF; replace the memory cards and side panel and
connect the power cord to the system.
After resetting the CMOS, run the SCU to configure your system.
For instructions about how to run the SCU, see Chapter 2, Normal
With this switch you can enable or disable the use of passwords. To set
Remove the side panel which covers the electronics chamber and
then remove the ECC memory cards to provide access to the switch.
The default setting of this switch is OFF, which enables the system
password. If you wish to disable the password, set the switch to ON.
Then reboot the machine to clear the existing password.
Only set this switch to ON if your server cannot complete its boot procedure because
you have forgotten the password and consequently cannot enter it. Normally you
should use the SCU to enable or disable the password.
T e c h n i c a l I n f o r m a t i o n
OWNER'S HANDBOOK 5-15