Lenovo ThinkCentre M55 (English) User guide - Page 28

Video, subsystem, Audio, Connectivity, System, management, features, Input/output, Expansion, Power

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v Internal hard disk drive v Optical drive (some models) Video subsystem v An integrated graphics controller for a Video Graphics Array (VGA) monitor Audio subsystem v HD with ADI 1983HD Audio Codec v Line in and line out connectors on the rear panel v Microphone and headphone connectors on the front panel v Mono internal speaker (some models) Connectivity v 10/100/1000 Mbps integrated Broadcom Ethernet controller that supports the Wake on LAN® feature (some models) v Soft modem V.90/V.44 (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 9-pin serial connector v Eight 4-pin, USB connectors (two on front panel and six on rear panel) v Ethernet connector v VGA monitor connector v Four audio connectors (headphone and microphone on front panel and line in and line out on rear panel) Expansion v Two drive bays v One 32-bit peripheral component interconnect (PCI) adapter connector Power v Automatic 50/60 Hz input frequency switching v Advanced Power Management support v Advanced Configuration and Power Interface (ACPI) support 12 User Guide

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v
Internal
hard
disk
drive
v
Optical
drive
(some
models)
Video
subsystem
v
An
integrated
graphics
controller
for
a
Video
Graphics
Array
(VGA)
monitor
Audio
subsystem
v
HD
with
ADI
1983HD
Audio
Codec
v
Line
in
and
line
out
connectors
on
the
rear
panel
v
Microphone
and
headphone
connectors
on
the
front
panel
v
Mono
internal
speaker
(some
models)
Connectivity
v
10/100/1000
Mbps
integrated
Broadcom
Ethernet
controller
that
supports
the
Wake
on
LAN
®
feature
(some
models)
v
Soft
modem
V.90/V.44
(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
9-pin
serial
connector
v
Eight
4-pin,
USB
connectors
(two
on
front
panel
and
six
on
rear
panel)
v
Ethernet
connector
v
VGA
monitor
connector
v
Four
audio
connectors
(headphone
and
microphone
on
front
panel
and
line
in
and
line
out
on
rear
panel)
Expansion
v
Two
drive
bays
v
One
32-bit
peripheral
component
interconnect
(PCI)
adapter
connector
Power
v
Automatic
50/60
Hz
input
frequency
switching
v
Advanced
Power
Management
support
v
Advanced
Configuration
and
Power
Interface
(ACPI)
support
12
User
Guide