Clear and Sanitize Procedures
Memory Devices
The following tables list the volatile and nonvolatile memory devices.
Table 1: Volatile Memory Devices
Type and
minimum size
Function
User
Modi
fi
able
1
Data input
method
Location
To clear
To sanitize
Memory, CMOS,
DRAM, 8 MB X 16
Stores acquired
user data
Yes
TLA acquisition
data
Acquisition board
Remove power for
at least 20 seconds
Remove power for at
least 20 seconds
Memory; DRAM,
CMOS; 1 MB X 16
Stores instrument
code
No
Firmware
processor
Interface board
Remove power for
at least 20 seconds
Remove power for at
least 20 seconds
Motherboard
DDR2 DIMM
OS processor
system memory
No
OS Application
software
Micro-ATX board
Remove power for
at least 20 seconds
Remove power for at
least 20 seconds
Motherboard
CMOS memory
User can set
BIOS settings
for Motherboard
Yes
BIOS setup
Micro-ATX board
Load custom
defaults
Remove battery 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
Hard Disk Drive;
3.5 in., 80 GB,
SATA
Contains operating
system, applications
software, captured
waveform records,
instrument settings,
and user programs
Yes
User input via
OS utilities and
applications software
Internal
Load recovery
media
Use DOD
approved
scrubbing
software
package, or
remove and
destroy HDD
Memory, CMOS,
NVRAM;
32 KB X 8
Stores calibration
constants
Yes
Programmed during
calibration
Acquisition board
Recalibrate
N/A. No user
data.
CMOS, EPROM,
8 KB
Front panel keypad
code
No
Programmed by
vendor. Read only.
Front-Panel board
N/A. Read only.
N/A. Read only.
Memory; CMOS,
Flash; 4 MB X 8
Stores instrument
code
Yes
Programmed by
software during
fi
rmware upgrade
Interface board
Re-
fl
ash
fi
rmware
N/A. No user
data.
Memory; PRGM,
CMOS, Flash;
128 KB
Stores video BIOS
for the LCD display
No
Programmed by
vendor. Read only.
Interface board
N/A. No user
data.
N/A. Read only.
8 MB Flash
Contains
Motherboard BIOS
con
fi
guration date
No
Programmed by
vendor application.
Read only.
Micro-ATX board
N/A. Read only.
N/A. Read only.
1
During normal instrument operation.
TLA5000B Series Logic Analyzer Declassi
fi
cation and Security
1
