<s>
The	O
IBM	B-Device
Thinkpad	I-Device
350	I-Device
series	O
was	O
a	O
notebook	O
computer	O
series	O
introduced	O
in	O
1993	O
by	O
IBM	O
as	O
part	O
of	O
their	O
Thinkpad	B-Operating_System
laptop	O
series	O
.	O
</s>
<s>
It	O
was	O
the	O
successor	O
to	O
the	O
IBM	B-Device
ThinkPad	I-Device
300	I-Device
.	O
</s>
<s>
With	O
only	O
2	O
models	O
ever	O
made	O
in	O
the	O
series	O
,	O
it	O
was	O
succeeded	O
in	O
1994	O
by	O
the	O
IBM	B-Device
Thinkpad	I-Device
360	I-Device
series	O
.	O
</s>
<s>
The	O
350	O
series	O
shipped	O
with	O
IBM	B-Operating_System
PC	I-Operating_System
DOS	I-Operating_System
5.02	I-Operating_System
as	O
the	O
included	O
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
Both	O
models	O
in	O
the	O
series	O
came	O
with	O
an	O
Intel	O
486SL	B-Device
running	O
at	O
25	O
MHz	O
,	O
and	O
a	O
CT-65530	O
video	O
controller	O
with	O
1	O
MB	O
of	O
video	O
memory	O
.	O
</s>
<s>
If	O
a	O
user	O
wanted	O
to	O
upgrade	O
the	O
ram	O
,	O
the	O
350	O
ThinkPads	B-Operating_System
supported	O
an	O
IC	O
DRAM	O
Card	O
size	O
up	O
to	O
20	O
MB	O
.	O
</s>
<s>
Both	O
in	O
the	O
series	O
came	O
with	O
a	O
125	O
or	O
250	O
MB	O
standard	O
hard	B-Device
drive	I-Device
,	O
and	O
a	O
non-removable	O
1.44	O
MB	O
floppy	B-Device
drive	I-Device
.	O
</s>
<s>
The	O
350	O
is	O
identical	O
to	O
the	O
PS/Note	B-Device
425	O
and	O
the	O
350C	O
is	O
identical	O
to	O
the	O
PS/Note	B-Device
400SL/25	O
.	O
</s>
<s>
IBM	B-Device
ThinkPad	I-Device
350	I-Device
—	O
The	O
first	O
model	O
in	O
the	O
series	O
,	O
it	O
introduced	O
a	O
Intel	O
486SL	B-Device
running	O
at	O
25	O
MHz	O
,	O
a	O
monochrome	O
9.5	O
"	O
STN	O
display	O
with	O
640x480	O
resolution	O
,	O
4	O
MB	O
of	O
ram	O
on	O
an	O
IC	O
DRAM	O
Card	O
,	O
a	O
non-removable	O
3.5	B-Device
"	I-Device
1.44	O
MB	O
floppy	B-Device
drive	I-Device
and	O
a	O
250	O
MB	O
hard	B-Device
disk	I-Device
drive	I-Device
.	O
</s>
<s>
Other	O
features	O
included	O
:	O
Trackpoint	B-Device
II	O
,	O
Type	O
II	O
PCMIA	O
slot	O
.	O
</s>
<s>
IBM	B-Device
ThinkPad	I-Device
350C	I-Device
—	O
Basically	O
the	O
same	O
as	O
the	O
first	O
,	O
and	O
also	O
the	O
second	O
and	O
last	O
in	O
the	O
series	O
,	O
it	O
only	O
had	O
1	O
notable	O
change	O
to	O
a	O
9.2	O
"	O
STL	O
LCD	O
640x480	O
256	O
color	O
display	O
.	O
</s>
<s>
It	O
also	O
added	O
the	O
additional	O
option	O
of	O
a	O
125	O
MB	O
hard	B-Device
drive	I-Device
alongside	O
the	O
250	O
MB	O
option	O
.	O
</s>
<s>
A	O
review	O
by	O
the	O
Los	O
Angeles	O
Times	O
considered	O
the	O
ThinkPad	B-Device
350	I-Device
not	O
an	O
impressive	O
machine	O
due	O
the	O
fact	O
it	O
was	O
bundling	O
IBM	B-Operating_System
DOS	I-Operating_System
instead	O
of	O
MS-DOS	B-Application
or	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
