Clear and Sanitize Procedures
Table 1: Volatile memory devices
Type and
min. size
Function
Type of
user info
stored
Backed-up
by battery
Method of
modi
fi
cation
Data Input
method
Location
User
accessible
To clear
Process to sanitize
SDRAM
1 GB (std)
4 GB
(Opt. 53)
Holds active
acquisition data
User data
No
Indirectly
Firmware
operations
Digital
Interface
board
No
Remove power from the
instrument for at least
20 seconds.
Remove power from the
instrument for at least
20 seconds.
SDRAM
4 GB)
Microprocessor
system memory
User data,
user settings
No
Direct
Written by
processor
system
Slot-PC
board
Yes
Remove power from the
instrument for at least
20 seconds.
Remove power from the
instrument for at least
20 seconds.
SRAM 2 MB
Power PC
system memory
None
No
Indirect
Firmware
operations
Digital
Interface
board
No
Remove power from the
instrument for at least
20 seconds.
Remove power from the
instrument for at least
20 seconds.
ZBT SRAM
2 MB
Holds active
DPX acquisition
data
User data
No
Indirect
Firmware
operations
DPX board
No
Remove power from the
instrument for at least
20 seconds.
Remove power from the
instrument for at least
20 seconds.
SRAM, 1 MB
Unused
None
No
None
None
DPX board
No
Remove power from the
instrument for at least
20 seconds.
Remove power from the
instrument for at least
20 seconds.
QDR SRAM
20 MB
(Option 200)
Holds active
DPX acquisition
data
User data
No
Indirect
Firmware
operations
DPX board
No
Remove power from the
instrument for at least
20 seconds.
Remove power from the
instrument for at least
20 seconds.
2
RSA5100B Series Declassi
fi
cation and Security Instructions