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1995-01-14
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Customer Support Bulletin
Date: December 20, 1995
RE: Executing FatOpt and FatSort in memory constrained environments.
FatOpt and FatSort may encounter problems when executed in memory
constrained environments such as when executed from a OS/2 boot using
floppy disks. In this environment, swapping is disabled by default and
these utilities may exhaust memory and fail. In some cases the failure
will be associated with a message that there is insufficient memory. In
other cases the program may fail with a trap message.
In these situations, the customer should prepare boot diskettes in
accordance with the procedure shown below. This procedure is tailored to
Warp V3. The customer may modify it appropriately for OS/2 2.1 as well.
1. Create the Warp Utility disks by opening the System Folder, then open
the System Setup folder, then click on the Create Utility Diskettes
icon. Follow the instructions provided. This procedure will create
three (3) diskettes which should be labeled accordingly.
2. Copy the FatOpt.Exe and FatSort.Exe files to the Utility Disk 3.
To execute the utility, shutdown the system and boot from Utility Disk 1.
When you receive the A> prompt, insert Utility Disk 3 and run the utility
as you would normally.
If memory related problems still exist and if you have another hard disk
volume other than the volume which you wish to optimize or sort, the
following procedure may be used to circumvent the memory problems. If no
other drive exists, you will be unable to execute these utilities on your
current hardware configuration.
1. Insert Utility Disk 2. This diskette contains the Config.Sys file for
the floppy boot process.
2. From and A> prompt, copy the config.sys file using the following
command:
COPY CONFIG.SYS CONFIG.OLD
3. Edit the Config.Sys file on Utility Disk 2 and make the following
changes:
Change the line which reads: memman=noswap to memman=swap
Insert a new line after the memman line which reads:
swappath=d:\ 2048 2048
where d: is a hard disk volume other than the one to be optimized or
sorted. This volume should have several megabytes of freespace.
4. Boot again from the Utility Disk 1 and attempt to execute the FatOpt or
FatSort utility.
This procedure enables swap processing while booted from floppy. It will
use the disk volume specified for the swap file. Once you boot from hard
disk, you will find a Swapper.Dat file in the root of the drive you
specified in the swappath statement. You may delete it if you desire as
it will no longer be in use.