Apple Server Diagnostics - Manual (Page 26)

5 Press the system identifier button repeatedly until the lower-left light turns on.
Lower-left light comes on.
6 While the lower-left light is on, press and hold the system identifier button until all the
lights in the top row are on. Release the system identifier button.
Top row of lights comes on.
When you release the button, the Xserve starts up from the Server Diagnostics EFI
NetBoot disk image.
After you run Server Diagnostics EFI and restart, the Xserve starts up from its default
startup volume.
Disabling the Firmware Password
If a firmware password is enabled, you can’t:
Start up from a Server Diagnostics EFI NetBoot image using the Xserve front panel Â
Temporarily change the startup volume by holding down the F1 or D key at startup Â
If a firmware password is enabled and you try to temporarily change the startup
volume by holding down the Option key at startup, you must authenticate.
To disable the firmware password:
1 If the server has an optical drive, insert the Mac OS X Server Install DVD, open the Install
Mac OS X Server application, click Restart, and authenticate if necessary. If the server
doesn’t have an optical drive, do the following:
a Insert the Mac OS X Server Install DVD in a computer with an optical drive and has
Mac OS X or Mac OS X Server version 10.5.2 or later installed.
The computer must be on the same subnet as the server.
b On the computer with the disc inserted, open Remote Install Mac OS X (located in
/Applications/Utilities/).
c Continue through the Remote Install Mac OS X assistant, selecting the inserted disc
and the network connection that’s on the same subnet as the server.
d Restart the server and hold down the Option key while it restarts.
26 Chapter 3 Starting Up Server Diagnostics