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Commodore PC
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Appendix
C
Installable
Device
Drivers
265
|
r
The
5555
option
specifies
the
sector
size
in
bytes.
The
default
value
is
128
bytes.
The
following
values
are
allowed:
128,
256,
^
512,
and
1024
bytes.
The
dddd
option
specifies
the
number
of
root
directory
entries.
The
default
value
is
64;
the
minimum,
2;
and
the
maximum,
1024.
\)
Ramdrivesys
adjusts
the
value
of
dddd
to
the
nearest
sector
^~
boundary.
For
example,
if
you
give
a
value
of
25
when
the
sector
size
is
512
bytes,
the
25
will
be
rounded
up
to
32,
since
32
is
the
r^\
next
multiple
of
16
(there
are
sixteen
32-byte
directory
entries
in
512
bytes).
The
/e
switch
lets
you
use
extended
memory
(above
1
megabyte)
r^\
as
a
RAM
disk
if
it
has
been
installed.
If
you
use
this
switch,
you
cannot
use
the
/a
switch.
The
/a
switch
lets
you
use
an
extended
memory
board
that
meets
r^\
the
Lotus/Intel/Microsoft
Expanded
Memory
Specification
for
a
RAM
drive,
if
that
board
has
been
installed.
If
you
use
this
switch,
you
cannot
use
the
/e
switch.
r
Note
When
you
reset
or
turn
off
the
power
on
your
computer,
^^
any
information
stored
in
RAM
disks
is
lost.
n
n

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