<s>
The	O
IBM	B-Operating_System
WorkPad	I-Operating_System
z50	I-Operating_System
is	O
a	O
handheld	B-Operating_System
PC	I-Operating_System
that	O
was	O
marketed	O
by	O
IBM	O
as	O
part	O
of	O
the	O
IBM	O
WorkPad	O
series	O
.	O
</s>
<s>
It	O
runs	O
on	O
Windows	B-Operating_System
CE	I-Operating_System
.	O
</s>
<s>
z50	O
is	O
a	O
subnotebook	B-Device
,	O
weighing	O
1206	O
g	O
,	O
with	O
up-to	O
8	O
hours	O
battery	O
life	O
from	O
its	O
Li-ion	O
battery	O
.	O
</s>
<s>
It	O
uses	O
MIPS	B-General_Concept
4100	O
CPU	O
(	O
NEC	O
VR4121	O
)	O
at	O
131MHz	O
,	O
and	O
features	O
16	O
MiB	O
RAM	B-Architecture
and	O
ROM	B-Device
.	O
</s>
<s>
WIRED	O
noted	O
that	O
it	O
bears	O
similarity	O
to	O
the	O
ThinkPad	B-Operating_System
series	O
.	O
</s>
<s>
It	O
has	O
been	O
delivered	O
with	O
Windows	B-Operating_System
CE	I-Operating_System
.	O
</s>
<s>
NetBSD	B-Device
is	O
also	O
compatible	O
with	O
the	O
z50	O
.	O
</s>
<s>
PC	O
Mag	O
noted	O
the	O
great	O
keyboard	O
and	O
large	O
amount	O
of	O
RAM	B-Architecture
.	O
</s>
