Radio Shack TRS-80 - Page 53

Example
#2
•
Logical Drive
2
(1
25 megabytes}
the
last
head
on
the primary drive,
•
Logical
Drive
3
fl.25
megabytes) the
last head
or
ihe secondary
drrve.
Study the display to
be
5une
you
entered
Li
ie
uurrsut data. Then
press ihe
space
bar
to conlinue.
11,
Type
V
ENTER)
if Ihe configuration
is
acceptable.
16
complete
ihe
mitigiizatBCA
toUow
Steps 13 through
16
of
ihe
main
HARDGEN
program.
Assume
thai TRSDOS and
CP/M*
are
to share a system thai
has
two
5-
megabyte hard driwss
and
one
IB-megabyte hard dfiva that
Is terminated
as
the
tesl physical hard
drive.
Three
restrictions
are imposed by both
TRSDOS
and
CP/M:
•
The two systems
cannot
be on Ihe same
physical
hard
drive.
•
TRSDOS
6
must
occupy the primary drive
so
ibat
yoj cart
boot TRSDOS
as
the
system hard
drive.
•
A hard drive for CP/M must be
previously
tormatled
under
LDOSl or
TR3DOS b^ause
CP/M
dwes iiiM haws a tor-
mat routine for
the
hard dnve.
Suppose you
analyse
the storage
requirements
under TRSDOS
and CPtM
and decide that
you
need
Ihe tallowing.:
•
At
least 15
megabytes of
storage
under
TRSDOS, on 2
physical
drives, in
7 logical
drives
with
a
distribution
that
is
as
even
as
possible.
•
At least
5
megabytes
of
storage under
CP/M. on 1
logical
hard
drlve.
These
slo rage
requi
reme n ts i mply t
halt
he second of the
3 d
rives
will be the
one
to
contain
CP/M.
*
CP/M
is
a registered
trademar*
ot
Digital
Research.
t
LDOS is a
trademark
of
Logical Systems,
Inc.
48