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Basic Operation
Using Security Functions
Table 2-3 Baseband Generator Memory (Options 601 and 602) (Continued)
Memory
Type
and Size
Buffer
No
No
Memory
(SRAM)
5 x 512 kB
Table 2-4 Hard Disk Memory (Option 005)
Memory
Type
and Size
Media
Yes
Yes
Storage
(Built–in
Hard Disk)
6 GB or
10 GB
(4 GB usable
in both
cases)
Buffer
No
No
Memory
(DRAM)
512 kB
a.Instruments with serial prefix < US4829/SG4829/MY4829.
68
Purpose/Contents
support buffer memory for
ARB and real–time
applications
a
Purpose/Contents
user files, including flatness
calibrations, IQ calibration,
instrument states,
waveforms (including header
and marker data),
modulation definitions, and
sweep lists
buffer (cache) memory
Data Input Method Remarks
normal user
This memory is used during normal baseband
operation
generator operation. It is not directly accessible by
the user. Not battery backed.
Data Input Method Remarks
user–saved data
The magnetic residue requires several rewrite
cycles or drive removal and destruction.
The hard disk is an option and is therefore
not installed in some instruments. If it is
installed, these files are stored on the hard
disk instead of in flash memory.
User data is completely sanitized when you
perform the Erase and Sanitize function.
normal operation
through hard disk
Chapter 2
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