Clear and Sanitize Procedures
Memory Devices
The following tables list the volatile and nonvolatile memory devices in the
standard instrument and listed modules. Detailed procedures to clear or sanitize
these devices, if any, are shown following each table.
Table 1: Volatile Memory Devices
Type and
minimum size
Function
User
Modi
fi
able
1
Data input
method
Location
To clear
To sanitize
DSA8200
SDRAM 64M x 64
Embedded processor
system memory
No
Written by
processor
system
Processor
board
Remove power from the
instrument for at least
20 seconds
SDRAM 8 MB
Video memory
Yes
Microsoft
Windows
Bridge
board
Remove power from the
instrument for at least
20 seconds
SDRAM 64M x 64
Windows processor
system memory
Yes
Microsoft
Windows
Windows
μ
ATX board
Remove power from the
instrument for at least
20 seconds
SRAM 256 bytes
Front keypad
microcontroller
No
Written by
processor
system
Front panel
board
Remove power from the
instrument for at least
20 seconds
Channel SRAM 32
each 24 KB
SRAM for Acquisition
system channels
No
Written by
processor
system
Acquisition
board
Remove power from the
instrument for at least
20 seconds
SRAM 2 each 352
bytes
Channel group
microprocessor
No
Written by
processor
system
Acquisition
board
Remove power from the
instrument for at least
20 seconds
80A03 module
Channel SRAM 2
each 1 KB
Channel
microprocessor
No
Written by
processor
system
80A03
interface
control
boards
Remove power from the
instrument for at least
20 seconds
1
During normal instrument operation.
Table 2: Nonvolatile Memory Devices
Type and
minimum size
Function
User
modi
fi
able
1
Data input
method
Location
To clear
To sanitize
DSA8200
Removable hard
drive 40 GB
Holds all
user-storable data
(waveforms and
instrument settings)
Yes
Application,
Microsoft
Windows
Rear of
DSA8200
Remove the hard drive and
store it in a secure area or
destroy it.
CD RW / DVD
drive 700 MB
Windows CD RW /
DVD peripheral
Yes
Microsoft
Windows
Front of
DSA8200
Remove all CDs. Rewritable
CDs can be formatted, stored
in a secure area, or destroyed.
Non-rewritable CDs can either
be stored or destroyed.
DSA8200 Declassi
fi
cation and Security
1