<s>
Non-Volatile	B-Operating_System
File	I-Operating_System
System	I-Operating_System
(	O
NVFS	B-Operating_System
)	O
is	O
a	O
flash	B-Device
memory	I-Device
file	O
system	O
introduced	O
in	O
the	O
release	O
of	O
Palm	O
's	O
Personal	B-Application
Digital	I-Application
Assistant	I-Application
handheld	O
models	O
Tungsten	B-Application
T5	I-Application
,	O
Tungsten	B-Application
E2	O
,	O
Palm	O
TX	O
,	O
Z22	B-Application
,	O
Treo	O
650/700/680/755p	O
,	O
and	O
Palm	B-Application
Centro	I-Application
.	O
</s>
<s>
The	O
NVFS	B-Operating_System
,	O
as	O
claimed	O
by	O
palmOne	O
,	O
is	O
a	O
file	O
system	O
designed	O
to	O
keep	O
all	O
information	O
safe	O
should	O
the	O
battery	O
run	O
out	O
of	O
power	O
.	O
</s>
<s>
NVFS	B-Operating_System
is	O
a	O
derivative	O
of	O
Flash	B-Device
Memory	I-Device
,	O
which	O
continually	O
stores	O
all	O
data	O
even	O
when	O
no	O
power	O
is	O
applied	O
.	O
</s>
<s>
palmOne	O
invented	O
NVFS	B-Operating_System
in	O
response	O
to	O
complaints	O
that	O
a	O
handheld	O
's	O
data	O
was	O
destroyed	O
when	O
the	O
battery	O
power	O
ran	O
out	O
.	O
</s>
<s>
A	O
similar	O
feature	O
has	O
been	O
adopted	O
by	O
PDAs	B-Application
running	O
the	O
Windows	B-Operating_System
Mobile	I-Operating_System
5.0	O
operating	B-General_Concept
system	I-General_Concept
,	O
and	O
is	O
named	O
"	O
Persistent	O
Storage	O
"	O
.	O
</s>
<s>
NVFS	B-Operating_System
uses	O
NAND	O
flash	B-Device
memory	I-Device
technology	O
to	O
retain	O
the	O
handheld	O
's	O
data	O
in	O
the	O
event	O
of	O
a	O
battery	O
swap	O
or	O
if	O
the	O
battery	O
runs	O
out	O
of	O
power	O
.	O
</s>
<s>
palmOne	O
claims	O
that	O
Flash	B-Device
memory	I-Device
is	O
a	O
plus	O
for	O
the	O
majority	O
of	O
their	O
consumers	O
since	O
many	O
of	O
them	O
do	O
not	O
want	O
to	O
charge	O
the	O
handheld	O
too	O
often	O
,	O
and	O
it	O
consumes	O
less	O
overall	O
power	O
.	O
</s>
<s>
NVFS	B-Operating_System
uses	O
a	O
brand-new	O
data	O
architecture	O
which	O
might	O
render	O
incompatible	O
some	O
applications	O
which	O
ran	O
very	O
well	O
with	O
non-NVFS	O
handhelds	O
.	O
</s>
<s>
Because	O
the	O
NVFS	B-Operating_System
File	I-Operating_System
System	I-Operating_System
was	O
designed	O
to	O
use	O
clusters	O
of	O
512	O
byte	B-Application
blocks	O
,	O
power	O
users	O
have	O
complained	O
that	O
files	O
take	O
approximately	O
33%	O
more	O
space	O
than	O
in	O
volatile	O
file	O
systems	O
.	O
</s>
<s>
In	O
fact	O
a	O
volatile	O
file	O
system	O
uses	O
a	O
block	O
size	O
of	O
only	O
14	O
bytes	B-Application
,	O
compared	O
to	O
the	O
NVFS	B-Operating_System
File	I-Operating_System
System	I-Operating_System
minimum	O
block	O
size	O
of	O
512	O
bytes	B-Application
.	O
</s>
<s>
palmOne	O
responded	O
to	O
this	O
complaint	O
by	O
offering	O
a	O
free	O
128	O
megabyte	O
SD	B-Device
Card	I-Device
on	O
request	O
to	O
selected	O
customers	O
.	O
</s>
<s>
At	O
the	O
NVFS	B-Operating_System
Early	O
Release	O
,	O
Palm	O
(	O
at	O
the	O
time	O
palmOne	O
)	O
would	O
commit	O
itself	O
to	O
work	O
on	O
a	O
ROM	O
Flash	O
Update	O
to	O
reduce	O
the	O
overhead	O
of	O
the	O
NVFS	B-Operating_System
Architecture	O
.	O
</s>
<s>
Currently	O
Palm-branded	O
products	O
using	O
NVFS	B-Operating_System
should	O
be	O
shipped	O
with	O
the	O
NVFS	B-Operating_System
Fix	O
already	O
installed	O
.	O
</s>
<s>
(	O
The	O
Tungsten	B-Application
E2	O
uses	O
4kb	O
blocks	O
.	O
)	O
</s>
<s>
(	O
It	O
is	O
recommended	O
those	O
having	O
earlier	O
versions	O
of	O
the	O
Palm	B-Application
Treo	I-Application
650	I-Application
and	O
Tungsten	B-Application
T5	I-Application
install	O
the	O
NVFS	B-Operating_System
Fix	O
at	O
the	O
earliest	O
possible	O
convenience	O
)	O
.	O
</s>
<s>
Such	O
controversy	O
gave	O
the	O
Tungsten	B-Application
T5	I-Application
and	O
the	O
Treo	B-Application
650	I-Application
unfavorable	O
remarks	O
from	O
power	O
users	O
.	O
</s>
<s>
palmOne	O
released	O
the	O
first	O
Sprint	O
Treo	B-Application
650	I-Application
Updater	O
which	O
was	O
designed	O
to	O
ensure	O
that	O
the	O
block	O
size	O
overhead	O
was	O
reduced	O
from	O
512	O
bytes	B-Application
to	O
16-32	O
bytes	B-Application
(	O
Usually	O
32	O
bytes	B-Application
,	O
but	O
can	O
be	O
as	O
low	O
as	O
16	O
bytes	B-Application
depending	O
on	O
the	O
file	O
's	O
demand	O
)	O
,	O
resulting	O
in	O
drastic	O
memory	O
management	O
efficiency	O
improvements	O
of	O
the	O
NVFS	B-Operating_System
File	I-Operating_System
System	I-Operating_System
.	O
</s>
<s>
A	O
second	O
update	O
to	O
the	O
Sprint	O
Treo	B-Application
650	I-Application
was	O
released	O
on	O
June	O
16	O
,	O
2005	O
.	O
</s>
<s>
The	O
Unlocked	O
GSM	O
Firmware	O
Upgrade	O
was	O
also	O
released	O
on	O
the	O
day	O
of	O
the	O
second	O
Sprint	O
Treo	B-Application
650	I-Application
firmware	O
update	O
which	O
also	O
improves	O
the	O
efficiency	O
of	O
the	O
NVFS	B-Operating_System
File	I-Operating_System
System	I-Operating_System
in	O
addition	O
to	O
addressing	O
known	O
problems	O
prior	O
to	O
the	O
release	O
of	O
the	O
firmware	O
update	O
.	O
</s>
<s>
The	O
Rogers	O
Wireless	O
Treo	B-Application
650	I-Application
Firmware	O
Update	O
was	O
quietly	O
posted	O
at	O
the	O
Rogers	O
Wireless	O
Treo	B-Application
650	I-Application
support	O
site	O
,	O
and	O
shares	O
the	O
same	O
bug	O
fixes	O
and	O
NVFS	B-Operating_System
memory	O
efficiency	O
updates	O
as	O
with	O
the	O
unlocked	O
GSM	O
version	O
.	O
</s>
<s>
The	O
initial	O
release	O
of	O
the	O
palmOne	O
Tungsten	B-Application
E2	O
,	O
Verizon	O
Wireless	O
Treo	B-Application
650	I-Application
and	O
the	O
Earthlink	O
Wireless	O
Treo	B-Application
650	I-Application
already	O
has	O
the	O
NVFS	B-Operating_System
Memory	O
System	O
problems	O
assessed	O
.	O
</s>
<s>
According	O
to	O
Palm	O
Info	O
Center	O
on	O
June	O
22	O
,	O
2005	O
,	O
the	O
palmOne	O
Tungsten	B-Application
T5	I-Application
Version	O
1.1	O
Update	O
fixes	O
the	O
NVFS	B-Operating_System
File	I-Operating_System
System	I-Operating_System
Inefficiency	O
Problem	O
since	O
its	O
release	O
in	O
November	O
2004	O
.	O
</s>
<s>
The	O
Version	O
1.1	O
Update	O
also	O
updates	O
the	O
Tungsten	B-Application
T5	I-Application
's	O
Version	O
Number	O
to	O
Garnet	O
5.4.8	O
.	O
</s>
<s>
On	O
July	O
25	O
,	O
2005	O
,	O
the	O
Cingular	O
Treo	B-Application
650	I-Application
Fix	O
was	O
officially	O
released	O
,	O
with	O
one	O
of	O
the	O
fixes	O
being	O
addressing	O
inefficiency	O
problems	O
associated	O
with	O
the	O
NVFS	B-Operating_System
File	I-Operating_System
System	I-Operating_System
.	O
</s>
<s>
Cingular	O
Treo	B-Application
650	I-Application
holders	O
are	O
encouraged	O
to	O
deploy	O
this	O
Flash	B-Device
ROM	I-Device
Update	O
at	O
the	O
earliest	O
time	O
possible	O
.	O
</s>
