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1 Hardware Overview
NB250/NB255 Maintenance Manual 1-ii
Chapter 1 Contents
1.1 Features .................................................................................................................. 1-1
1.2 2.5-inch HDD ......................................................................................................... 1-8
1.3 Power Supply ......................................................................................................... 1-9
1.4 Batteries................................................................................................................ 1-11
1.4.1 Main Battery ......................................................................................... 1-11
1.4.2 Battery Charging Control ..................................................................... 1-11
1.4.3 RTC Battery.......................................................................................... 1-12