Tektronix BERTScope BSA Series, Инструкция по эксплуатации

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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
2 GB (std) Microprocessor
system memory User data, user
settings No Directly Written by
processor
system Socket,
computer
board Yes Remove power from the
instruments for at least
20 seconds. Remove power from the
instruments for at least
20 seconds.
SRAM
128 Mb
User pattern
memory User data
patterns No Thru
application Written by
processor
system
Generator
board
Yes
Remove power from the
instruments for at least
20 seconds. Remove power from the
instruments for at least
20 seconds.
SRAM
128 Mb User pattern
memory User data
patterns No Thru
application Written by
processor
system Detector
board Yes Remove power from the
instruments for at least
20 seconds. Remove power from the
instruments for at least
20 seconds.
Table 2: Nonvolatile memory devices
Type and
min. size
Function
Type of
user info
stored Method
modi
fi cation
Data input
method
Location User accessible To clear To sanitize
Fixed hard
disk drive Holds operating
system and application
software. Holds all
user storable data
patterns, measurement
results, and instrument
settings. User data,
user settings Indirect Manufacturing
operations, user
input Internal Yes Erase the hard disk drive with
commercial erasure software.
Remove the hard disk drive.
LINK(See page 10,
Remove
the hard disk drive .) When the
hard disk drive is erased, the
instrument is disabled.
Erase the hard disk drive
with commercial erasure
software. Remove the
hard disk drive. LINK(See
page 10,
Remove the hard
disk drive .) When the hard
disk drive is erased, the
instrument is disabled.
EEPROM
64 Kb
+
Flash
256 Kb Holds instrument
manufacturing data None Indirect Firmware
operations Pattern generator
(PGM) board No N.A., does not contain user
data or settings. Clearing would
disable instrument functionality. N.A., does not contain
user data or settings.
Sanitizing would disable
instrument functionality.
Flash 16 Mb Holds instrument
calibration data None Indirect Firmware
operations Main interface
controller
(MIC) board No N.A., does not contain user
data or settings. Clearing would
disable instrument functionality. N.A., does not contain
user data or settings.
Sanitizing would disable
instrument functionality.
2 Tektronix BERTScope BSA Series Declassi fi cation and Security Instructions