<s>
An	O
analog	B-Device
board	I-Device
is	O
a	O
circuit	O
board	O
that	O
contains	O
the	O
majority	O
of	O
analog	O
circuitry	O
in	O
certain	O
Apple	B-Device
Macintosh	I-Device
computers	I-Device
.	O
</s>
<s>
The	O
analog	B-Device
board	I-Device
was	O
one	O
of	O
two	O
circuit	O
boards	O
within	O
many	O
early	O
Macintosh	B-Device
computers	I-Device
,	O
including	O
the	O
Macintosh	O
128K/512K/Plus	O
,	O
Macintosh	B-Device
SE	I-Device
series	I-Device
,	O
and	O
Macintosh	B-Device
Classic	I-Device
series	I-Device
.	O
</s>
<s>
The	O
analog	B-Device
board	I-Device
contained	O
several	O
capacitors	O
,	O
a	O
battery	O
compartment	O
,	O
and	O
some	O
other	O
analog	O
circuitry	O
.	O
</s>
<s>
Some	O
later	O
all-in-one	O
Macintosh	B-Device
computers	I-Device
also	O
included	O
analog	B-Device
boards	I-Device
,	O
with	O
the	O
most	O
recent	O
being	O
the	O
iMac	B-Device
G3	I-Device
and	O
eMac	B-Device
.	O
</s>
<s>
In	O
these	O
computers	O
,	O
the	O
analog	B-Device
board	I-Device
functioned	O
as	O
the	O
power	O
supply	O
to	O
other	O
parts	O
within	O
the	O
system	O
,	O
and	O
also	O
functioned	O
to	O
control	O
the	O
CRT	O
display	O
within	O
the	O
computer	O
.	O
</s>
<s>
The	O
other	O
board	O
was	O
the	O
logic	B-Device
board	I-Device
,	O
which	O
contained	O
all	O
of	O
the	O
computer	O
's	O
digital	O
logic	O
circuitry	O
,	O
such	O
as	O
the	O
processor	O
and	O
memory	O
.	O
</s>
