Lenovo ThinkPad 770 ThinkPad 770 Supplement to the User Guide - Page 12

Title: C79DKMST CreationDate: 08/19/97 17:47:41 You cannot use the hot and warm plug and unplug functions. CD-ROM drive and DVD drive: You cannot use the hot and warm plug and unplug functions in 2-channel IDE mode. Refer to the table on page 8. 3. For the Battery: Do not hot unplug a secondary battery from the UltraBay when the system is working under the secondary battery power. The power may go off. This may be a situation where you have the secondary battery inserted in the UltraBay and when: The AC Adapter is not connected and there is no primary battery. The AC Adapter is not connected and the primary battery power is low. To see whether your computer is running under the secondary battery power or not, see the battery status indicator on the LCD indicator panel. 6