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Xerox WorkCentre M118-M118i-4162 User Manual

Certificate of volatility

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Certificate of Volatility

Version of 17-Oct-06

Page 1 of 3

Manufacturer:

Xerox


Equipment Name:

WorkCentre


Model:

118


Configuration:

This item is networked to print servers with operating system VxWorks


General description: This printer is connected to a network.

Purpose: Multi-Functional

Device,

Print, Copy, Fax, and Scan to e-mail


1. Type of memory:


Marking

Engine

DRAM:

96MB (32MB on-board + 64MB optional). The executable software is loaded
and run in this memory. It is also used for temporary storage of images,
including sent and received fax images and scan-to-email images, if
optionally equipped. This non-volatile memory is battery supported but will
loose information if removed from the unit.

Flash

ROM: 16MB.

This

flash

memory contains the code necessary to boot, the

executable code (operating system, document scheduler, etc.) and the
resident fonts. A power-on self test is performed and the bootstrap OS is
loaded. This area never contains any user image or document data. All code
except for the boot loader is stored in compressed format and is expanded in
the DRAM to be executed. When the fax kit is installed, this memory is not
used.

SEEP

ROM: 256Byte.

This

memory

contains the system’s setting information and error

log data. The information is encrypted.


Fax Card

Memory

Card:

64MB

Compact

Flash.

This device overrides the Marking Engine flash

memory when present. This device contains the code necessary to boot, all
executable code (operating system, document scheduler, etc.) and all
resident fonts. A power-on self test is performed to ensure data integrity. This
device never contains any user image or document data. All operating
system and application executable control code resides here. All code
except for the boot loader is stored in compressed format and is expanded in
the DRAM to be executed.

SRAM:

256KB.

This

memory

contains

the system’s setting information, mailbox

information, speed dial information, Fax program memory, user management
information, and transmission logs are stored in it. The data gets encrypted
to be written. This memory is backed up with the battery.

Boot

ROM: 1MB.

This

memory

contains the code necessary to boot. This non-volatile

memory has no image data stored in it.


Print

Controller

DRAM:

192MB (64MB on-board + 128MB optional). The executable software is
loaded and run in this memory. It is also used for temporary storage of data
files and images. This information is not backed up and is lost when the
power to the printer is removed.