N9030B PXA Signal Analyzer Service Guide 561
Post-Repair Procedures
Post-Repair Procedures
BIOS Settings Verification
Whenever either the A4 CPU assembly or the A4BT1 CPU Battery is changed
there are certain BIOS settings that need to be verified. If these are not set
correctly the instrument may not boot up or operate correctly.
There is one setting in the CPU BIOS that must be verified and may require
changing when the A4 CPU assembly or A4BT1 CPU battery is replaced. This
setting needs to be correct in order for the analyzer to always boot up
correctly.
— “IDE HDD” must be set to #1 in the “Boot priority order”
Changing and saving these BIOS settings requires a USB external keyboard.
Changes to the BIOS are fairly straightforward and should take ~30 seconds.
Verifying Boot Priority
(serial numbers < MY/SG/US 52200000)
1. Connect an external USB keyboard to one of the front panel USB ports.
2. Turn on instrument power.
3. Confirm Keysight Technologies splash screen comes up within a few
seconds as shown in Figure 17-3.
Figure 17-3 Keysight Technologies Splash Screen
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