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1-4 User’s Manual
Satellite U500/U500D, Satellite Pro U500/U500D
Power
Disks
Battery Pack Your computer is powered by a rechargeable
lithium-ion battery pack.
RTC Battery The internal RTC battery backs up the Real Time
Clock and calendar.
AC Adaptor The AC adaptor provides power to the system and
recharges the batteries when they are low. It
comes with a detachable power cord that 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 AC adaptor section in
Chapter 2, The Grand Tour.
Hard Disk Drive
(HDD) or Solid State
Drive (SSD)
This computer is equipped with hard disk drive
(HDD) or solid state drive (SSD) types. The
capacity of each HDD or SSD model is different.
Please note that part of the hard disk or solid state
drive’s overall capacity is reserved as
administration space.
■ In this manual, the word “HDD” or “Hard disk drive” also refers to SSD
unless otherwise stated.
■ SSD is a large-capacity storage media which uses Solid-State Memory
in place of a magnetic disk of the hard disk.
Under certain unusual conditions of prolonged non-use and/or exposure to
high temperatures, the SSD may be vulnerable to data retention errors.