Agilent Technologies Infiniium 90000 A Service Manual page 143

Figure 7-4
Keyboard block diagram
Disk Drive
The hard disk drive is a high-capacity, shock-resistant unit. It is used to store the oscilloscope's
operating system and certain system configuration data.
The drive can also be used to store and recall oscilloscope setups and waveforms.
Chapter 7: Theory of Operation
Block-Level Theory
143