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Note: The amount of EMS memory and RAM Disk allocated must be
balanced by the amount of RAM required by MS-DOS, by
applications, and by Symbol-supplied drivers.
For information on loading the EMSALLOC.SYS driver, refer to the section
EMSALLOC.SYS in Chapter 4.
Using Stacker to Extend RAM Disk Storage
If you choose to use a RAM Disk, you can compress the RAM Disk to increase disk storage.
Because RAM is static (e.g., is lost when no voltage is present or after a Cold Boot), the
volume must be created on boot-up. This is done by adding the following line in the
CONFIG.SYS file:
DEVICE = SCREATE.SYS X:
where X is the drive letter assigned to the RAM Disk (RDISK34T.SYS).
Note: Ensure that this line is before DEVICE=C:\STACKER.COM if
mounting both ROM and RAM Disks.
Once this line is added, the volume is created on boot-up but still needs to be mounted. This
is accomplished by one of two methods defined below.
1. Mounting Compressed ROM Disk and RAM Disk
If you compress both the ROM Disk and the RAM Disk, mounting the volumes is very
similar. Add a line in the STACKER.INI file (refer to Chapter 2 for information on editing
STACKER.INI) to reflect the new volume (e.g., D:\STACVOL.DSK,RP). The RP after the
volume name, indicating Replacement, allows the drive letter the volume is on (e.g., D:) to be
the drive letter of the compressed drive. When the line DEVICE=C:\STACKER.COM is
executed in CONFIG.SYS, it mounts all of the volumes including the volume on RAM Disk.
Note: You can also use the command supplied in method 2 when
compressing both the ROM and RAM Disks.
Terminal Configuration: Loading a RAM Disk
7-3
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