Lenovo ThinkPad T400 Maintenance Manual page 58

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ThinkPad T400 and R400 Hardware Maintenance Manual
Table 7. Specifications (continued)
Feature
®
ThinkLight
Battery
AC adapter
Preinstalled operating
system
Description
Yes
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
v 65-watt type
v 90-watt type
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)