Bios Setup Changes; Changing Bios Settings - Agilent Technologies N9039A Service Manual

BIOS Setup Changes

There are two setting in the instrument processor BIOS that need to be
changed/verified whenever the A4 Processor board assembly or the A4BTI
Processor battery is changed. They are:
• "CK-408 Spread Spectrum" to "Enabled" (Figure 8-4)
• "IDE 2:" under "Boot priority order:" to position "1" (Figure 8-6)
Changing and saving these BIOS settings requires an external USB keyboard.

Changing BIOS Settings

1. With the instrument turned off connect an external USB keyboard to one of the
instrument's USB ports.
2. Turn on instrument power.
3. Confirm Agilent Technologies splash screen comes up within a few seconds as
shown in
Figure 8-1 Agilent Splash Screen
Chapter 8
Figure 8-1.
Post-Repair Procedures
What You Will Find in This Chapter
219