Sun Microsystems Sun Fire X4140, Руководство по обслуживанию

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Chapter 4 Servicing Motherboard Components 4-35
3. At the BIOS screen, move to the Security Screen tab.
4. Change the password.
5. Save and Exit the BIOS.
The system restarts.
4.9.3 Resetting CMOS NVRAM Using a Jumper
To clear the CMOS NVRAM using a jumper:
1. Power off the server.
See Section 2.4, “Powering Off the Server” on page 2-4 .
2. Disconnect the power cord (or cords) from the power supply (or supplies).
See Section 2.4, “Powering Off the Server” on page 2-4 .
3. Extend the server into the maintenance position.
See Section 2.5, “Extending the Server to the Maintenance Position” on page 2-5 .
4. Attach an antistatic wrist strap.
See Section 2.7, “Performing Electrostatic Discharge and Antistatic Prevention
Measures” on page 2-9 .
5. Remove the top cover.
See Section 2.8, “Removing the Top Cover” on page 2-11 .
6. Locate the jumper J1802
The jumper is on the rear of the motherboard, opposite side of the power supply.
7. Place the jumper on position 1-3.
8. Power on the server and boot until message about NVRAM has been cleared.
9. Power off the server, and remove AC power.
10. Remove jumper from position 1-3, and replace it back in its original location.
11. Install the top cover.
See Section 6.1, “Installing the Top Cover” on page 6-2 .
12. Slide the server into the rack.
See Section 6.3, “Returning the Server to the Normal Rack Position” on page 6-4 .