Lenovo ThinkCentre M55p User Manual - Page 29

Expansion, Power, Security, features, Preinstalled, software, Operating, systems, preinstalled, - pci serial port driver

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Expansion v Four drive bays v Two standard peripheral component interconnect (PCI) adapter connectors v One PCI Express (x1) adapter connector v One PCI Express (x16) graphics adapter connector Power v 310 W power supply with manual voltage selection switch (some models) v Automatic 50/60 Hz input frequency switching v Advanced Configuration and Power Interface (ACPI) support Security features v Keyboard with fingerprint reader (some models, use the ThinkVantage Productivity Center program to find more information) v User and administrator passwords for BIOS access v Support for the addition of a padlock to secure the cover v Support for the addition of an integrated cable lock to secure the cover v Cover presence switch (some models) v Startup sequence control v Startup without diskette drive, keyboard, or mouse v Unattended start mode v Diskette and hard disk I/O control v Serial and parallel port I/O control v Security profile by device Preinstalled software Your computer might come with preinstalled software. If it does, an operating system, device drivers to support built-in features, and other support programs are included. Operating systems preinstalled (varies by model type) Note: Not all countries or regions will have these operating systems. v Microsoft® Windows XP Home v Microsoft Windows XP Professional Operating systems certified or tested for compatibility1 v Microsoft Windows 2000 v Linux® 1. The operating systems listed here are being certified or tested for compatibility at the time this publication goes to press. Additional operating systems might be identified by Lenovo as compatible with your computer following the publication of this booklet. Corrections and additions to this list are subject to change. To determine if an operating system has been certified or tested for compatibility, check the Web site of the operating system vendor. Chapter 3. Installing options 13

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Expansion
v
Four
drive
bays
v
Two
standard
peripheral
component
interconnect
(PCI)
adapter
connectors
v
One
PCI
Express
(x1)
adapter
connector
v
One
PCI
Express
(x16)
graphics
adapter
connector
Power
v
310
W
power
supply
with
manual
voltage
selection
switch
(some
models)
v
Automatic
50/60
Hz
input
frequency
switching
v
Advanced
Configuration
and
Power
Interface
(ACPI)
support
Security
features
v
Keyboard
with
fingerprint
reader
(some
models,
use
the
ThinkVantage
Productivity
Center
program
to
find
more
information)
v
User
and
administrator
passwords
for
BIOS
access
v
Support
for
the
addition
of
a
padlock
to
secure
the
cover
v
Support
for
the
addition
of
an
integrated
cable
lock
to
secure
the
cover
v
Cover
presence
switch
(some
models)
v
Startup
sequence
control
v
Startup
without
diskette
drive,
keyboard,
or
mouse
v
Unattended
start
mode
v
Diskette
and
hard
disk
I/O
control
v
Serial
and
parallel
port
I/O
control
v
Security
profile
by
device
Preinstalled
software
Your
computer
might
come
with
preinstalled
software.
If
it
does,
an
operating
system,
device
drivers
to
support
built-in
features,
and
other
support
programs
are
included.
Operating
systems
preinstalled
(varies
by
model
type)
Note:
Not
all
countries
or
regions
will
have
these
operating
systems.
v
Microsoft
®
Windows
XP
Home
v
Microsoft
Windows
XP
Professional
Operating
systems
certified
or
tested
for
compatibility
1
v
Microsoft
Windows
2000
v
Linux
®
1. The
operating
systems
listed
here
are
being
certified
or
tested
for
compatibility
at
the
time
this
publication
goes
to
press.
Additional
operating
systems
might
be
identified
by
Lenovo
as
compatible
with
your
computer
following
the
publication
of
this
booklet.
Corrections
and
additions
to
this
list
are
subject
to
change.
To
determine
if
an
operating
system
has
been
certified
or
tested
for
compatibility,
check
the
Web
site
of
the
operating
system
vendor.
Chapter
3.
Installing
options
13