Lenovo ThinkCentre M55 User Manual - Page 28

Internal, drives, Video, subsystem, Audio, Connectivity, System, management, features, Input/output - bios

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Internal drives v 3.5-inch, half-inch (slim) diskette drive (some models) v Serial Advanced Technology Attachment (SATA) internal hard disk drive v SATA optical drive (some models) Video subsystem v An integrated graphics controller for a Video Graphics Array (VGA) monitor v Intel Graphics Media Accelerator 3000 with dual display support v PCI Express (x16) graphics adapter connector on the system board Audio subsystem The integrated HD audio controller provides four audio connectors. v Microphone and headphone connectors on the front panel v Line in and line out connectors on the rear panel v Mono internal speaker (some models) Connectivity v 10/100/1000 Mbps integrated Ethernet controller v Peripheral Component Interconnect (PCI) V.90 Data/Fax modem (some models) System management features v Remote Program Load (RPL) and Dynamic Host Configuration Protocol (DHCP) v Wake on LAN® v Wake on Ring (in the Setup Utility program, this feature is called Serial Port Ring Detect for an external modem) v Remote Administration v Automatic power-on startup v System Management (SM) BIOS and SM software v Ability to store power-on self-test (POST) hardware test results Input/output features v 25-pin Extended Capabilities Port (ECP)/Extended Parallel Port (EPP) v Two 9-pin serial connectors (some models) v Ten USB connectors (two on front panel and eight on rear panel) v Ethernet connector v VGA monitor connector v Two audio connectors (line in and line out) on rear panel v Two audio connectors (microphone and headphone) on front panel Expansion v Three drive bays v Two 32-bit PCI adapter connectors v One low-profile PCI Express (x16) adapter connector 12 User Guide

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Internal
drives
v
3.5-inch,
half-inch
(slim)
diskette
drive
(some
models)
v
Serial
Advanced
Technology
Attachment
(SATA)
internal
hard
disk
drive
v
SATA
optical
drive
(some
models)
Video
subsystem
v
An
integrated
graphics
controller
for
a
Video
Graphics
Array
(VGA)
monitor
v
Intel
Graphics
Media
Accelerator
3000
with
dual
display
support
v
PCI
Express
(x16)
graphics
adapter
connector
on
the
system
board
Audio
subsystem
The
integrated
HD
audio
controller
provides
four
audio
connectors.
v
Microphone
and
headphone
connectors
on
the
front
panel
v
Line
in
and
line
out
connectors
on
the
rear
panel
v
Mono
internal
speaker
(some
models)
Connectivity
v
10/100/1000
Mbps
integrated
Ethernet
controller
v
Peripheral
Component
Interconnect
(PCI)
V.90
Data/Fax
modem
(some
models)
System
management
features
v
Remote
Program
Load
(RPL)
and
Dynamic
Host
Configuration
Protocol
(DHCP)
v
Wake
on
LAN
®
v
Wake
on
Ring
(in
the
Setup
Utility
program,
this
feature
is
called
Serial
Port
Ring
Detect
for
an
external
modem)
v
Remote
Administration
v
Automatic
power-on
startup
v
System
Management
(SM)
BIOS
and
SM
software
v
Ability
to
store
power-on
self-test
(POST)
hardware
test
results
Input/output
features
v
25-pin
Extended
Capabilities
Port
(ECP)/Extended
Parallel
Port
(EPP)
v
Two
9-pin
serial
connectors
(some
models)
v
Ten
USB
connectors
(two
on
front
panel
and
eight
on
rear
panel)
v
Ethernet
connector
v
VGA
monitor
connector
v
Two
audio
connectors
(line
in
and
line
out)
on
rear
panel
v
Two
audio
connectors
(microphone
and
headphone)
on
front
panel
Expansion
v
Three
drive
bays
v
Two
32-bit
PCI
adapter
connectors
v
One
low-profile
PCI
Express
(x16)
adapter
connector
12
User
Guide