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Table 7. Specifications (continued)
Feature Description
Media slot v One ExpressCard slot and 7-in-1 Media Card Reader slot
v One ExpressCard slot and one PC Card (Type-II) slot
v One ExpressCard slot and one Smart Card slot
Bluetooth wireless (some
models)
v ThinkPad Bluetooth with Enhanced Data Rate (BDC-2.1)
Modem v ThinkPad Modem (MDC-3.0, 56 kbps HDA) or Internal
modem
Touch pad v UltraNav
®
ThinkLight
®
Yes
Battery v Li-ion battery (4 cells) 2.6 Ah
v Li-ion battery (6 cells) 2.6 Ah
v Li-ion battery (9 cells) 2.6 Ah
AC adapter v 65-watt type
v 90-watt type
Preinstalled operating
system
v Windows XP Professional
v Windows Vista
®
Starter Edition (32 bit)
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 T400 and R400Hardware Maintenance Manual