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table
The
allows you to configure
following
size:
RAM
Bank
Bank
0
256K
Nocmps
41256
RAM
9
X
512K
41256
41256
RAM
9
X
41256x9
576K
41256
RAM
640K
RAM
41256
9 41256
X
Note that
the 576K
for
RAM
are used
two different kinds
of
chips
bank
be
576K
2
will
filled with
RAM,
and
and one
sockets
U63
U59,
For 640K
bank
2
be
will
RAM,
used
and bank
for 576K
were
RAM
sockets
and
4464 chips
U72
in
U76.
the
required
Bank
Bank
3
2
1
Nochms
No
chips
Nochms
Nocmps
9
X
4464x2
Nocmps
9
X
+4164x1
4464X2
4464X2
9
X
+4164X1
+4164X1
the
640K
and
RAM
options,
banks
and
2
For
in
3.
4464 chips
two
in
socket
U55.
4164 chip
in
as
filled with
the
same
chips
be
two
3
will
filled with
and
one 4164 chip
in
U67,
installation
ROM
chips must be installed
Two
socket
the
a
2764
U38 for
in
socket
the
U49 for
ROM BASIC.
in
below
the
location
these
for
of
LEIIIIIIIIIIIIIII
"'""
lIlIIIIII
Illl
ml"
IIIEIIIII
the
ROM of
this
for
system:
ROM
BIOS and
a
27256 chip
the
Refer
illustration
to
sockets.
two
':_E§l
U38
U49
_
IIII
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