Feature Description
I/O port v External monitor connector
v Stereo headphone jack
v Monaural microphone jack
v Infrared port
v Docking connector
v RJ11 connector
v RJ45 connector
v Universal serial bus (USB) connector × 3 (compatible with
USB 1.1 and 2.0)
Internal modem v 56.6 Kbps
Audio v Built-in stereo speakers
v Software control volume
Infrared transfer v IrDA 1.1
Ethernet (on the system
board)
v Gigabit Ethernet
PCI Express Mini Card v ThinkPad 11a/b/g Wireless LAN Mini PCI Express
Adapter
v Intel PRO Wireless 3945ABG Mini-PCI Express Adapter
v ThinkPad 11a/b/g/n Wireless LAN Mini-PCI Express
Adapter
v Sierra Wireless EV-DO Wireless WAN Mini PCI Express
Adapter
v Sierra Wireless MC8755 PCI Express MiniCard
v Integrated Cingular HSDPA 3G Wireless Broadband
Network Adapter
PC Card /ExpressCard slots v ExpressCard (34 module, 54 module) for upper slot
v PC Card (Type-II) for lower slot
Bluetooth wireless (some
models)
v ThinkPad Bluetooth with Enhanced Data Rate (BDC-2)
Modem v ThinkPad Modem (MDC-1.5, 56 kbps HDA)
Touch pad v UltraNav
®
ThinkLight
®
Yes
Battery v Li-ion battery (6 cells) 5.2 Ah
v Li-ion battery (9 cells) 7.8 Ah
v Ultrabay Slim Li Polymer battery (3 cells) (option)
AC adapter v 65-watt type
v 90-watt type
Preinstalled operating
system
v Windows XP Professional
v Windows XP Home Edition
v Windows Vista
®
Home Premium (32 bit)
v Windows Vista Business (32 bit)
v Windows Vista Ultimate (32 bit)
Product overview
40 MT 1951, 1952, 1953, 1954, 1955, 1956, 2007, 2008, 2009, 2613, 2623, and 2637
