Lenovo ThinkPad R61e Hardware Maintenance Manual - Page 58
Table, Specifications, continued
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Table 7. Specifications (continued) Feature Description 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 Touch pad ThinkLight® v ThinkPad Modem (MDC-1.5, 56 kbps HDA) or Internal Modem (on board) v UltraNav® 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