Keysight N9038A MXE Service Guide 361
CPU & Disk Drive
A5 Disk Drive
Overview
The A5 Disk Drive assembly has been divided up into four different partitions.
They are:
In addition, a hidden recovery partition is located on the drive. This partition
contains an image of the C: drive as it was when the instrument was shipped
from the factory. To restore the C: drive using the image stored in this recovery
partition see the section titled “Disk Drive Recovery Process” on page 364.
C. This partition contains the operating system and software installed by Keysight. This is
an open system which means you can install additional software, which should be
installed on the C: drive. However, only a limited set of software applications are tested
for use with the instrument software. The installation and/or use of other software is not
warranted, and could interfere with the operation of the instrument software. If the
recovery process is ever run, the original version of the C: drive, as shipped from the
factory, will be restored. The user will need to reload any other software that was
previously installed into the instrument.
Do not save any user data to the C: drive partition, as any data saved in this partition will
be lost if the recovery process is run.
D. This partition is reserved for data storage. The User Accounts that are preconfigured by
Keysight and their My Documents folder are mapped to the D: drive. This is for the
convenience of backing-up the user data. You should always back-up the data on the D:
drive. This allows you to restore the data if the A5 Disk Drive assembly ever needs to be
replaced.
Data saved in this partition will not be lost if the recovery process is run.
E. This partition is reserved for Keysight's use. The primary use of the E: drive is for storing
of the instrument Calibration and Alignment data. Do not change or overwrite the files
on this drive. This could cause your instrument to not meet specifications, or even to
stop functioning correctly. It is also recommended that you back up the contents of this
drive. This allows you to restore the data if the A5 Disk Drive assembly ever needs to be
replaced, which could otherwise require that all instrument adjustments be performed.
While data saved in this partition will not be lost if the recovery process is run, do not
use this drive for data storage.
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