<s>
The	O
JEIDA	B-Architecture
memory	I-Architecture
card	I-Architecture
standard	O
is	O
a	O
popular	O
memory	O
card	O
standard	O
at	O
the	O
beginning	O
of	O
memory	O
cards	O
appearing	O
on	O
portable	O
computers	O
.	O
</s>
<s>
JEIDA	B-Architecture
cards	I-Architecture
could	O
be	O
used	O
to	O
expand	O
system	O
memory	O
or	O
as	O
a	O
solid-state	O
storage	O
drive	O
.	O
</s>
<s>
The	O
establishment	O
of	O
the	O
JEIDA	O
interface	O
and	O
cards	O
across	O
Japanese	O
portables	O
provoked	O
a	O
response	O
from	O
the	O
US	O
government	O
,	O
through	O
SEMATECH	O
,	O
and	O
thus	O
PCMCIA	B-Device
was	O
born	O
.	O
</s>
<s>
PCMCIA	B-Device
and	O
JEIDA	O
worked	O
to	O
solve	O
this	O
rift	O
between	O
the	O
two	O
competing	O
standards	O
,	O
and	O
merged	O
into	O
JEIDA	O
4.1	O
or	O
PCMCIA	B-Device
2.0	O
in	O
1991	O
.	O
</s>
<s>
The	O
JEIDA	B-Architecture
memory	I-Architecture
card	I-Architecture
was	O
used	O
in	O
earlier	O
ThinkPad	B-Operating_System
models	O
,	O
where	O
IBM	O
branded	O
them	O
as	O
IC	B-Architecture
DRAM	I-Architecture
Cards	I-Architecture
.	O
</s>
<s>
The	O
interface	O
has	O
also	O
been	O
used	O
for	O
SRAM	B-Architecture
cards	O
.	O
</s>
<s>
It	O
is	O
also	O
used	O
in	O
the	O
Neo	B-Application
Geo	I-Application
.	O
</s>
<s>
Version	O
4.0	O
corresponds	O
with	O
68-pin	O
PCMCIA	B-Device
1.0	O
(	O
1990	O
)	O
.	O
</s>
<s>
Version	O
4.1	O
unified	O
the	O
PCMCIA	B-Device
and	O
JEIDA	O
standards	O
as	O
PCMCIA	B-Device
2.0	O
.	O
v4.1	O
is	O
the	O
16-bit	O
PC	B-Architecture
Card	I-Architecture
standard	O
that	O
defines	O
Type	O
I	O
,	O
II	O
,	O
III	O
,	O
and	O
IV	O
card	O
sizes	O
.	O
</s>
<s>
Version	O
4.2	O
is	O
the	O
PCMCIA	B-Device
2.1	O
standard	O
,	O
and	O
introduced	O
CardBus	O
 '	O
32-bit	O
interface	O
in	O
an	O
almost	O
physically	O
identical	O
casing	O
.	O
</s>
