<s>
EOS	B-General_Concept
memory	I-General_Concept
(	O
for	O
ECC	O
on	O
SIMMs	B-General_Concept
)	O
is	O
an	O
error-correcting	O
memory	O
system	O
built	O
into	O
SIMMs	B-General_Concept
,	O
used	O
to	O
upgrade	O
server-class	B-Application
computers	I-Application
without	O
built-in	O
ECC	B-General_Concept
memory	I-General_Concept
support	O
.	O
</s>
<s>
The	O
EOS	O
SIMM	B-General_Concept
itself	O
does	O
the	O
error	O
checking	O
,	O
with	O
reduced	O
need	O
for	O
ECC	B-General_Concept
memory	I-General_Concept
modules	O
and	O
support	O
.	O
</s>
