Table 7. Specifications (continued)
Feature Description
I/O port v External monitor connector

v Stereo headphone jack

v Monaural microphone jack

v IEEE 1394 connector (some models)

v Docking connector

v RJ11 connector

v RJ45 connector

v Universal serial bus (USB) connector × 3 (compatible with

USB 1.1 and 2.0)

v 4-in-1 slot (some models)

v Integrated camera (some models)

Internal modem v 56.6 Kbps
Audio v Built-in stereo speakers

v Software control volume

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 Intel Wireless WiFi Link 4965AGN

v Intel Wireless WiFi Link 4965AGN (11n disabled)

v ThinkPad 11b/g Wireless LAN Mini-PCI Express Adapter

PC Card and
ExpressCard/Smart Card
slots

v One ExpressCard slot and one PC Card (Type-II) slot

v One PC Card (Type-II) slot and one Smart Card slot

v One PC Card (Type-II) slot

Bluetooth wireless (some

models)

v ThinkPad Bluetooth with Enhanced Data Rate (BDC-2)

Modem v ThinkPad Modem (MDC-1.5, 56 kbps HDA) or Internal
Modem (on board)
Touch pad v UltraNav®
ThinkLight® Yes
Battery v Li-ion battery (6 cells) 4.8 Ah

v Li-ion battery (6 cells) 5.2 Ah

v Li-ion battery (9 cells) 7.8 Ah

v Ultrabay Enhanced 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 Vista® Home Basic (32 bit)

v Windows Vista Home Premium (32 bit)

v Windows Vista Business (32 bit)

v Windows Vista Business (64 bit)

v Windows Vista Ultimate (32 bit)

50 ThinkPad R61, R61e, and R61i (15.4-inch widescreen) Hardware Maintenance Manual