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Xerox® Security Guide for Entry Production Color Class Products
512KB
Battery-
backed SRAM
(ESS PWBA)
512KB
EEPROM
Additional Information: All memory listed above contains code for execution and configuration
information. No user or job data is stored in these locations.
Controller Volatile Memory
Size
Type
Use
64MB
SDRAM
Temporary
(MCU
storage
PWBA)
of variables
4Gbit
DRAM
Temporary
(SYSTEM
storage
MEMORY
of program and
DIMM)
work area
64MB
SDRAM
Temporary
(ESS
storage
PWBA)
of program and
work area
1Gbit
SDRAM
Temporary
(page
storage
memory)
of variables
512MB
SDRAM
Temporary
1Gbit
(page
storage
(64M x
memory)
of variables for
16 bit) x4
IISS
DIMM:
IPS
PWBA
Additional Information: The controller operating system memory manager
allocates memory dynamically between OS, running processes, and temporary
data which includes jobs in process. When a job is complete, the memory pages
in use are freed and reallocated as required by the OS.
March 2019
User image data not
stored.
Configuration and
N
control set points.
User image data not
stored.
Permanent storage
N
of machine setting
data. User image
data not stored.
User
Modifiable
N
N
N
N
N
customer
alterable.
SRAM is not
erased when a
main switch is
turned off. Not
customer
alterable.
Not customer
alterable.
How to
Volatile
Clear
SRAM is
Yes
erased
when machine
is
powered off.
SDRAM is
Yes
erased
when machine
is
powered off.
SDRAM is
Yes
erased
when machine
is
powered off.
SRAM is
Yes
erased
when machine
is
powered off.
SRAM is
Yes
erased
when machine
is
powered off.
No
No
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