Sun Microsystems Sun Fire X4140, Service Manual

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4-34 Sun Fire X4140 Server Service Manual • September 2010
c. Reconnect the power cord (or cords) to the power supply (or supplies).
Verify that the AC Present LED is lit.
See Section 6.4, “Powering On the Server” on page 6-5 .
d. Power on the server.
See Section 6.4, “Powering On the Server” on page 6-5 .
4.9 Resetting Passwords and Clearing
CMOS NVRAM
The following topics are covered:
■
Section 4.9.1, “Overview” on page 4-35
■
Section 4.9.2, “Resetting a BIOS Password From the BIOS Screen” on page 4-35
■
Section 4.9.3, “Resetting CMOS NVRAM Using a Jumper” on page 4-36
4.9.1 Overview
You can reset a password from the BIOS screen or with a jumper. You can also clear
the NVRAM or BIOS Password by changing the J1802 jumper position as follows.
J1802 jumper position 1-3: Clears CMOS NVRAM
J1802 jumper position 2-4: Clears the password
Access the J1802 jumper on the motherboard in the rear, on the opposite side of the
power supply unit.
4.9.2 Resetting a BIOS Password From the BIOS Screen
Note – Reset of any password on the security BIOS screen resets the BIOS password
only, not the ILOM password.
To reset a password for the BIOS, access the BIOS Security screen.
1. Boot the server.
2. Press F2 at the Sun splash screen to enter Setup.