User Guide

1 Hardware Overview

Satellite A40 Maintenance Manual (960-458) 1-iii

Chapter 1 Contents

1.1 Features ...................................................................................................................... 1-1

1.2 System Unit Block Diagram......................................................................................... 1-6

1.3 USB 3.5-inch Floppy Disk Drive ............................................................................... 1-12

1.4 2.5-inch Hard Disk Drive........................................................................................... 1-13

1.5 DVD-ROM Drive ..................................................................................................... 1-18

1.6 CD-RW/DVD-ROM Drive ...................................................................................... 1-20

1.7 DVD-R/-RW Drive ................................................................................................... 1-22

1.8 DVD±RW (DVD Dual) Drive ................................................................................... 1-25

1.9 DVD-Multi (CD-R/RW DVD-RAM/R/RW) Drive .................................................... 1-27

1.10 Keyboard.................................................................................................................. 1-29

1.11 TFT Color Display..................................................................................................... 1-30

1.11.1 LCD Module ....................................................................................... 1-30

1.11.2 FL Inverter Board................................................................................ 1-31

1.12 Power Supply............................................................................................................ 1-32

1.13 Batteries.................................................................................................................... 1-34

1.13.1 Main Battery........................................................................................ 1-34

1.13.2 Battery Charging Control...................................................................... 1-35

1.13.3 RTC battery......................................................................................... 1-36