Lenovo ThinkPad R50p User Manual
Page 15
Minimum
system
memory
requirements:
256
MB
system
RAM
to
install
Rescue
and
Recovery.
Hard
disk
drive
configuration:
The
Rescue
and
Recovery
program
is
not
supported
on
the
factory
pre-loads
for
original
equipment
manufacturer
(OEM)
computers
(non-IBM
or
non-Lenovo).
Note:
For
the
Rescue
and
Recovery
program,
the
OEM
computers
hard
disk
drive
must
be
configured
according
to
recommendations
in
Support
for
booting
from
external
media
(CD/DVD
and
USB):
Non-IBM
or
non-Lenovo
computer
and
devices
(USB
hard
disk
drive,
CD-R/RW,
DVD-R/RW/RAM,
or
DVD+R/RW)
must
fully
support
one
or
more
of
the
following
specifications:
v
ATAPI
Removable
Media
Device
BIOS
Specification
v
BIOS
Enhanced
Disk
Drive
Services
-
2
v
Compaq
Phoenix
Intel
®
BIOS
Boot
Specification
v
El
Torito
Bootable
CD-ROM
Format
Specification
v
USB
Mass
Storage
Class
Specification
Overview
(Each
device
must
comply
with
the
command
block
specification
in
the
section
2.0
Subclass
code
in
the
″USB
Mass
Storage
Class
Specification
Overview.
″)
v
USB
Mass
Storage
specification
for
boot-ability
Video
requirements:
v
Video
compatibility:
VGA-compatible
video
that
supports
a
resolution
of
800
x
600
and
24-bit
color
v
Video
memory:
–
On
non-shared
video
memory
systems:
a
minimum
4
MB
of
video
RAM
–
On
shared
video
memory
systems:
a
minimum
of
4MB
and
maximum
of
8
MB
can
be
allocated
for
video
memory.
Application
compatibility:
Some
applications
that
have
complex
filter
driver
environments
(such
as
antivirus
software)
might
not
be
compatible
with
the
Rescue
and
Recovery
software.
For
information
regarding
compatibility
issues,
refer
to
the
Readme
file
and
various
utilities
that
accompany
the
Rescue
and
Recovery
software.
For
additional
information
see
the
Lenovo
Web
site
at:
Network
adapters
for
Rescue
and
Recovery:
The
Rescue
and
Recovery
environment
supports
only
wired
PCI-based,
Ethernet
network
adapters.
Network
device
drivers
included
in
the
Rescue
and
Recovery
environment
are
the
same
drivers
that
are
pre-populated
in
Microsoft
Windows
XP
Professional
operating
system
and
are
independent
of
the
Windows
operating
system.
For
supported
IBM-branded
and
Lenovo
computers,
required
drivers
are
included
with
Rescue
and
Recovery
software.
If
an
OEM
network
device
in
your
computer
is
not
supported,
refer
to
the
device
manufacturer
documentation
for
instructions
to
add
support
for
system-specific
network
drivers.
Request
drivers
from
your
OEM.
Chapter
2.
Installation
7