Lenovo R51e Series, R50e Series, R52 Series manual R50e and R51e series

		Product overview
Feature	Description
Communication	R50e and R51e series:
daughter card	v ThinkPad Integrated 56K Modem
(CDC)		(MDC-2)
	R52 series:
	v ThinkPad Integrated 56K Modem
		(MDC-2)
	v ThinkPad Integrated Bluetooth IV with
		56K Modem (BMDC-3)
Battery	v Li-ion battery (6 cells)
	v Li-ion battery (9 cells)
	v Ultrabay Enhanced Li Polymer battery, 3
		cells (option)
AC adapter	v	72-watt type
Preinstalled	v	Windows XP Professional
operating system	v Windows XP Home Edition

ThinkPad R50e, R51e and R52 Series 53