Features

RTC battery

The computer has an internal battery to back up the

 

internalRealTimeClock(RTC)andcalendar.

Universal AC adaptor

The universal AC adaptor provides power to the system

 

and recharges the batteries when they are low. It comes

 

with a detachable power cord.

 

Because it is universal, it can receive a range of AC

 

voltage from 100 to 240 volts; however, the output current

 

varies among different models. Using the wrong model can

 

damage your computer. See the universal AC adaptor

 

section in Chapter 2, The Grand Tour.

Disks

 

 

 

 

Hard disk drive

Available in three sizes.

 

 

27.94GB(30.0billionbytes)

 

37.26GB(40.0billionbytes)

 

• 55.88GB(60.0billionbytes)

USB diskette drive

Accommodateseither31/2"1.44-megabyteor720-kilobyte

 

diskettes. It connects to a USB port.

DVD-ROMdrive

Somemodelsareequippedwithafull-size,DVD-ROM

 

drive module that lets you run either 12 cm (4.72") or 8 cm

 

(3.15") CD/DVDs without using an adaptor. It runs DVD-

 

ROMsatmaximum8speedandCD-ROMsatmaximum24

 

speed. A Mode Control button turns power to the fixed

 

DVD-ROM drive on and off so you can use the drive as a

 

stand-alone audio CD player. See Chapter 4, Operating

 

Basics, for details. The drive supports the following

 

formats:

 

 

 

DVD-ROM

DVD-Video

 

CD-DA

CD-Text

PhotoCD™(single/multi-session)

CD-ROM Mode 1, Mode 2

CD-ROMXAMode2(Form1,Form2)

EnhancedCD(CD-EXTRA)

CD-G(AudioCDonly)

Addressing Method 2

NTRODUCTIONI

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Toshiba Satellite 2450 user manual Disks, Features