If your compute r is configure d with more tha n 3 GB me mory, the me mory
might be dis pla ye d a s a pproximately 3 GB only (de pe nding on the
computer’s ha rdware s pecifica tions).
This is corre ct be caus e the ope ra ting s ys tem usua lly displa ys the a va ila ble
me mory ins te a d of the physica l me mory (RAM) built into the compute r.
Various system components (like the video a da pte r’s GPU a nd P CI
de vices like Wirele s s LAN, e tc.) re quire the ir own me mory spa ce . S ince a
32-bit ope ra ting system ca nnot a ddre ss more than 4 GB of me mory, the s e
syste m re source s overla p the phys ica l me mory. It is a te chnica l limitation
tha t the ove rla ppe d me mory is not ava ila ble to the operating system. Eve n
though s ome tools might dis pla y the a ctua l phys ica l me mory built into your
computer, the memory a va ila ble to the operating s ys tem will s till be
approxima te ly 3 GB only.
Computers configure d with a 64-bit ope ra ting s ystem ca n a ddre ss 4 GB or
more of s ys te m memory.
B a t t e ry Life
Battery life ma y va ry cons ide rably de pe nding on product model,
configura tion, a pplica tions , powe r ma na geme nt s e ttings a nd fe a ture s
utilized, as we ll a s the na tura l pe rforma nce va ria tions produce d by the
de s ign of individua l compone nts. P ublis he d ba ttery life numbe rs a re
achieve d on s e le ct mode ls and configura tions te s ted by TOS HIBA a t the
time of publication. Re cha rge time va rie s de pe nding on usage . Ba tte ry ma y
not cha rge while compute r is cons uming full powe r.
Afte r going through ma ny cha rge a nd dis cha rge cycle s , the battery will los e
its a bility to pe rform a t ma ximum ca pa city a nd will ne e d to be re pla ced.
This is a normal phe nome non for a ll ba tte ries. To purcha s e a ne w ba ttery
pa ck, s e e the a cce s s ories informa tion tha t is s hippe d with your compute r.
H a rd Dis k Dr iv e (HDD) C a p a c it y
1 Giga byte (GB) me a ns 10
9
= 1,000,000,000 byte s us ing powe rs of 10.
The compute r ope ra ting s ys tem, howe ve r, reports s torage capa city us ing
powe rs of 2 for the definition of 1 GB = 2
30
= 1,073,741,824 byte s , a nd
the re fore s hows le s s s torage ca pa city. Ava ila ble s tora ge ca pacity will a ls o
be le s s if the product include s one or more pre -installe d ope ra ting s ys te ms ,
such a s Microsoft Ope ra ting S ys tem a nd/or pre -installed s oftware
applications , or me dia conte nt. Actua l forma tte d capa city ma y vary.
LCD
Ove r a pe riod of time , a nd depe nding on the us a ge of the compute r, the
brightne s s of the LCD s cre e n will de teriora te . This is a n intrinsic
characte ris tic of LCD te chnology.
Ma ximum brightne s s is only a va ila ble whe n operating in AC powe r mode .
Scre e n will dim when the compute r is ope ra ted on ba ttery power a nd you
ma y not be able to increase the brightne s s of the s cre en.
Use r's Ma nua l 7-15
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