Resetting Nvram Using A Jumper - Sun Microsystems Sun Fire X4450 Service Manual

10. Remove the jumper from position 2-4, and replace it back to its original
position.
11. Install the top cover.
See
12. Slide the server into the rack.
See
13. Reconnect the power cord (or cords) to the power supply (or supplies).
Verify that the AC Present LED is lit.
See
14. Power on the server.
See
The password is reset.
4.10.4

Resetting NVRAM Using a Jumper

To clear the NVRAM using a jumper:
1. Power off the server.
See
2. Disconnect the power cord (or cords) from the power supply (or supplies).
See
3. Extend the server into the maintenance position.
See
4. Attach an antistatic wrist strap.
See
Measures" on page
5. Remove the top cover.
See
6. Locate the jumper J33.
The jumper is on the rear of the motherboard, below PCIe slot 2, PCIE riser 2.
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.
Section 6.1, "Installing the Top Cover" on page
Section 6.3, "Returning the Server to the Normal Rack Position" on page
Section 6.4, "Powering On the Server" on page
Section 6.4, "Powering On the Server" on page
Section 2.4, "Powering Off the Server" on page
Section 2.4, "Powering Off the Server" on page
Section 2.5, "Extending the Server to the Maintenance Position" on page
Section 2.7, "Performing Electrostatic Discharge and Antistatic Prevention
2-9.
Section 2.8, "Removing the Top Cover" on page
6-2.
6-5.
6-5.
2-3.
2-3.
2-11.
Chapter 4 Servicing Motherboard Components
6-4.
2-5.
4-45