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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