Toshiba portege m400 User Manual

1-4

User’s Manual

Introduction

256, 512, 1,024 or 2,048 MB memory modules 
can be installed in the two memory slots for a 
maximum of 4,096 MB system memory.

The Video RAM capacity will differ depending on 
the system memory capacity in the computer. 

■

If system memory is 512MB, a maximum of 
64MB will be used as Video RAM. 

■

If system memory is 1024MB or more, a 
maximum of 256MB will be used as Video 
RAM.

For more information on the Legal Footnote regarding Memory (Main 
System), please refer to the Legal Footnotes section in Chapter 10. Click 
the *2.

The computer is powered by one rechargeable 
lithium-ion battery pack.

This battery pack increases your computer's 
operating time when main battery pack is also 
installed.

For more information on the Legal Footnote regarding Battery Life, please 
refer to the Legal Footnotes section in Chapter 10. Click the *3.

The internal RTC battery backs up the Real Time 
Clock (RTC) and calendar.

The AC adaptor provides power to the system 
and recharges the batteries when they are low. It 
comes with a detachable power cord which will 
either have a 2-pin or 3-pin plug enclosure.

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. Refer to the 

 section in 

Chapter 2, The Grand Tour.