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Feature
Description
PC
card
v
One
Type-II
SD
card
v
With
IO
support
Ultrabay
device
UltraBay
Slim
(supported
by
X4
UltraBase
Dock)
Diskette
drive
(external)
v
USB
diskette
drive
Communication
daughter
card
(CDC)
v
IBM
Integrated
56K
Modem
v
IBM
Integrated
Bluetooth
III
with
56K
Modem
AC
adapter
v
56-watt
type
Battery
pack
(main)
v
1
parallel
of
4
series
of
cells
(1P4S)
Li-Ion
battery
pack
(1.9
AH)
(Standard
Battery)
v
2
parallel
of
4
series
of
cells
(2P4S)
Li-Ion
battery
pack
(4.3
AH)
(HyBrid
Battery)
Preinstalled
operating
system
v
Windows
XP
Professional
v
Windows
XP
Home
edition
Product
overview
ThinkPad
X40
49