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X-COM
TECHNICAL SUPPLEMENT
OPERATING DIFFICULTIES AND
LOADING PROBLEMS
Q. Why won’t my game load?
Check all memory requirements listed in this Technical Supplement.
You will need 560 K of Conventional Memory and 1 Mb of Extended
Memory (XMS) or Expanded Memory (EMS).
Conventional Memory
To check how much Conventional Memory is available, type MEM/C
from the C:\> prompt and press the Return key. Look for the Largest
Executable Program details. If there is insufficient Conventional
Memory, you may need a Boot Disk.
Q. What is a Boot Disk?
This is a Start Up disk for your computer which contains alternative
start up files to those on your hard disk. The Boot Disk will allow more
Conventional Memory to be available.
Making a Boot Disk
Instructions for making an MS-DOS Boot Disk (also known as a System
Disk) will be found in your Microsoft manual.
Using a Boot Disk
Insert the Boot Disk into your floppy disk drive A and then switch on the
computer. You should leave the disk in the floppy drive during play.
Slow Running
If you are not running from a boot disk, please ensure that you have
SMARTDRV.SYS or SMARTDRV.EXE loaded into your CONFIG.SYS or
AUTOEXEC.BAT.
If you are using MS-DOS 5.0, make sure you have the following line in
your CONFIG.SYS file:
devicehigh=c:\dos\smartdrv.sys
If you are using MS-DOS 6.0 or 6.2, make sure the following line is in
your AUTOEXEC.BAT file:
loadhigh c:\dos\smartdrv.exe
However, this line may need removing if memory problems occur.
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