180 Keysight CXG, EXG, and MXG X-Series Signal Generators Service Guide
CPU and Disk Drives
Disk Drive Assembly Overview
Disk Drive Assembly Overview
The A4 Solid State Disk Drive is only installed in the N5166B, N5172B, and
N5182B instruments. A small portion of it is used for the storage of instrument
real-time application software, while the majority of the drive is reserved for
user data files. User access will be limited to approximately 4 GB of storage
space in the standard configuration. If option 009 is installed the user will have
access to all of the remaining drive. The amount of disk space available to the
user can be seen by pressing the File key and viewing the “used” and “free”
memory amounts displayed on the screen.
The main reason for this extra user memory is so the user can store waveform
files. As shipped from the factory there are as series of waveform files installed
in the user memory portion of the drive for many of the different digital
modulation formats.
The storage size of the drive has varied over time and will continue to do so as
long as memory prices continue to decrease, and the smaller drives are
discontinued by the manufacturer.
If an instrument has option SD0 the drive will be omitted, and the real-time
applications will not be compatible with that configuration. The user will also
not be able to store data files inside the instrument.
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