MemOISK
Successfully
Installed
At this point, the Memdisk has been added to your system.
The
disk
name is MEMOISK. It can be treated just like a floppy disk drive until
you disable it or you reset the system.
To
Disable
the Memdisk
If you want to disable the Memdisk, then you must issue the
command:
SYSTEM
(DR
HJE
=d r i
ve
,DR
HJER
=
"MEMO
I SK" )
(ENTER)
Then, at the menu select the
CD
option. Memdisk displays one of the
following messages:
MemOISK
disabled,
memory now
available
MemOISK
disabled,
Unable
to
reclaim
hi~h
memory
MemOISK
disabled,
Unable
to
reclaim
driver
area
MemOISK
disabled,
Unable
to
reclaim
hi~h
memory
and
driver
area
If you receive the first message, Memdisk was disabled and was able
to reclaim all memory (driver area, high memory (Bank 0), and
alternate memory banks 1 and 2) that it was using.
If you receive the second message, Memdisk was unable to reclaim
high memory (Bank 0) because another driver or filter was installed
after Memdisk was set up and the other program is still
in
the way.
This is known as memory fragmentation. If you need to use this area
of memory, then you must reset the system.
If you receive the third message, Memdisk was disabled and able to
claim high memory or alternate bank memory, but it could not reclaim
the driver area.
If you receive the fourth message, Memdisk was disabled, but it could
not reclaim any memory.
Error Conditions
Memdisk should be installed before COM/OVR or FORMS/FL
Tare.
Filters and drivers can be loaded into an area within TRSOOS called
low memory. (This area does not take away from the memory
available for your programs.) However, not all of the drivers and filters
can fit into this area at the same time. If there is no room left
in
low
memory, most of the drivers and filters can be loaded
in
high
memory. Since low memory works on a first come, first served basis
and Memdisk is the only driver or filter that
must load into low
memory, you should install Memdisk before the other drivers and
filters. This ensures that there is space available
in
low memory for
Memdisk to reside.
A-98
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