Clear and Sanitize Procedures
Memory Device
s
The following tables list the volatile and nonvolatile memory devices in the
standard instrument and listed options.
Table 1: Vol
atile Memory Devices for the DPO4000 and MSO4000 Series
Type and minimum size Function User modifiable
Data input
method Location To clear or sanitize
CMOS, SDRAM, 32 M X 16,
512 MB DDR2, 1.8 V, 333 MHZ
(EFFECTIVE 667 MHZ);
MT47H32M16FT-3 REBAL
DDR memory: contains
waveform acquisition
data during operation
Only by the
processor system
N/A
Acquisition board; the
number of SDRAM
devices vary by model
Remove power from the
instrument for at least
20 seconds
CMOS, DDR; 16 MB X
16, 256 M, 10 NS, 2.5 V;
MT46V16M16TG-8, TSOP66,
DS3
DDR memory: contains
instrument code and
data during operation
Only by the
processor system
N/A
Acquisition board
Remove power from the
instrument for at least
20 seconds
CMOS, PERIPHERAL; VIDEO
ACCELERATOR, INTERNAL
SDRAM, XGA, PCI, AGP, ATI
M6C16H, BGA696
Display ASIC: includes
SDRAM, which contains
display images during
operation
Only by the
processor system
N/A
Acquisition board
Remove power from the
instrument for at least
20 seconds
Table 2
: Additional Volatile Memory Devices for the MSO4000 Series
Type and minimum size Function User modifiable
Data i
nput
method Location To clear or sanitize
CMOS, DRAM; 8MX32,
256MB, SDRAM, 3.3V;
MT48LC8M32B2F5-7, 90-BALL
FBGA (11MM X 13MM), DS4
DDR memory: contains
instrument code and
data during operation
Only by the
processor system
N/A
Acquisition board
Remove power from the
instrument for at least
20 seconds
CMOS, DRAM; 4MX32,
128MB, SDRAM, 3.3V;
MT48LC4M32B2FC-7,
90-BALL FBGA (11MM X
13MM), DS4
Display ASIC: includes
SDRAM, which contains
display images during
operation
Only by the
processor system
N/A
Acquisition board
Remove power from the
instrument for at least
20 seconds
Table 3: Nonvolatile Memory Devices
Type and minimum size Function User modifiable
Data input
method Location To clear or sanitize
CMOS, EEPROM; 128 X 8,
SERIAL; 24C01A, SOIC8
EEPROM: contains
PowerPC hardware
configuration
Only by the
processor system
N/A
Acquisition board Not applicable - no user
data
Tektronix 4000 Series Declassification and Security Instructions 1