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1994-08-15
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325 lines
=============================================================================
Jazz Jackrabbit * Instructions & Troubleshooting Info * Version 1.1
=============================================================================
To play Jazz, you'll need at least:
* A 33-Mhz or faster 80386 processor
* 4 Megabytes of memory
Jazz also supports:
* Joystick, Gravis Gamepad
* Sound Blaster, SB Pro, SB-16, PAS-16, Gravis Ultrasound sound cards
To start Jazz Jackrabbit:
1. Switch to the drive where the game is installed (C:)
2. Switch to the subdirectory where the game is installed (CD \JAZZ)
3. Type JAZZ.
=============================================================================
Windows & OS/2 Notes
=============================================================================
Running with WINDOWS
--------------------
Jazz Jackrabbit works best when run directly from DOS. But, if you must
run it through Windows, please run the file "JAZZ.PIF" (not "JAZZ.EXE").
This will make Jazz work more reliably.
If you encounter any problems running through Windows, please exit and run
Jazz Jackrabbit through plain DOS instead. Here are some of the problems
you may encounter when running Jazz through Windows:
1. The game may not scroll as smoothly, sometimes "jumping" and "skipping".
2. The game may lock up while starting or while loading levels.
3. The game may slow down to half-speed.
4. The music may skip.
Running with OS/2
-----------------
With apologies to OS/2 fans around the world, Jazz Jackrabbit will not
work reliably under OS/2. Please run it from DOS instead.
=============================================================================
HOW TO BOOT YOUR COMPUTER CLEAN
=============================================================================
If you're running into problems running Jazz, you might be able to get it
up and running by "Booting your computer clean". By this, we mean starting
up your computer without loading all of the little memory managers and
device drivers that might interfere with the game. It's a relatively
simple process, so please bear with us.
If you have DOS 6.0 or later
----------------------------
Reboot your computer by pressing RESET or Ctrl-Alt-Del. Wait for the
message "Starting MS-DOS..." to come up. Now press the [F5] key.
This will cause DOS 6.0 to bypass all of your TSR's, memory managers,
and other programs which normally occupy main memory.
Now change into the Jazz directory and begin the game.
If you have DOS 5.0
-------------------
Please skip this section if you have DOS 6.0 or later!
You need to create a "boot disk" to allow you to start your computer
without loading all the TSR's and memory managers that take away
memory. Here's how.
A. Put a blank disk in your A: drive and format it as a DOS disk. (Don't
do this in your B: drive - it won't work!) To do this, type the
following command:
FORMAT A: /S
B. Wait while your computer formats the disk.
C. Label the disk "Boot Disk" and keep it handy. You'll need this
disk whenever you want to start Jazz.
Now, you can reboot your computer and play Jazz:
A. Put the boot disk in your A: drive.
B. Restart your computer, either by pressing CTRL-ALT-DELETE, by
hitting your reset button, or by turning it on.
C. Wait while your computer boots from the boot disk.
D. After a little while, your computer will stop and give you the A>
prompt.
E. Now change to your hard disk by typing "C:".
F. Go into the Jazz directory by typing "CD \JAZZ".
G. Begin by typing "JAZZ".
Note to owners of "Stacker", "Superstor", and other hard disk compression
programs: If your C: drive is compressed and you need a boot disk to
start Jazz, you must install Jazz on a different, non-compressed drive.
See your Stacker or Superstor manual for instructions on doing this.
(This only applies to users of DOS version 5.0 or earlier).
=============================================================================
COMMON PROBLEMS & SOLUTIONS
=============================================================================
PROBLEM: When I run Jazz, it tells me I don't have enough free memory.
SOLUTION: Jazz requires that you have at least 2.5 megabytes of free memory.
It doesn't matter whether your memory is conventional, EMS, or XMS. All
that matters is that that the total free memory is at least 2.5 megs.
If you run Jazz and get a message saying that you don't have enough free
memory, here's what to do:
1. Make sure you have at least 4 megabytes of memory installed in your
computer! You'll need this much in order to have 2.5 megs free.
2. If you are trying to run Jazz Jackrabbit from Windows, completely exit
Windows and try running it from DOS.
3. If you are trying to run Jazz Jackrabbit from "DOSSHELL" or any other
menu program, please exit from the menu program. Then, run Jazz
from the DOS prompt. Menu programs often occupy enough memory that
there won't be enough left for the game.
4. If none of the above help, you can solve this problem quickly by
"Booting your computer clean". See above for details!
-----------------------------------------------------------------------------
Problem: While playing (or after finishing a level), I get dumped back to
DOS with an error message or a "Runtime Error".
Solution: This means that either (1) Jazz is conflicting with your memory
managers and TSR's, or (2) you need more free memory to run Jazz.
Try booting clean and running Jazz.
Several customers have reported "Runtime Errors" when running Jazz with
QEMM or EMM386. We haven't been able to duplicate this problem or
figure out its cause, but booting clean has always solved it.
-----------------------------------------------------------------------------
PROBLEM: When I run JAZZ, the computer locks up or reboots.
SOLUTION: Run SETUP and verify that your settings are correct. If you are
not using a sound card, make sure that SETUP is set for "No Sound Card".
If you are using a sound card, verify that:
1. The correct options are specified in SETUP. Check your address, IRQ,
and DMA settings (most sound cards operate on DMA 1). If you don't know
your card's address, IRQ, and DMA settings, consult your sound card
manual for details on figuring them out. Wrong settings will cause Jazz
to lock up or crash. If your sound quality is set to "Ultra High
Quality" or "Very High Quality", try setting it to "Medium Quality".
2. Make sure that your sound card has no address, IRQ, or DMA conflicts with
other cards in your system. If your sound card works properly with other
games, you can assume that there are no conflicts. However, if your sound
card does not work with other games, you have a conflict. See your
sound card manual for details on resolving these conflicts.
Run SETUP again and try the "PC Speaker" setting and see if that solves
the problem.
3. Jazz may be encountering a problem with some of the TSR's and device
drivers that you have loaded. Try booting your computer clean and then
running Jazz (see above for details).
-----------------------------------------------------------------------------
PROBLEM: The game runs unevenly on my computer, sometimes speeding up and
slowing down.
SOLUTION: Jazz is a very high-performance game, and it's sensitive about
your computer's configuration. So, please check the following:
1. Are you running Jazz through Windows? This may slow the game down
unless you have a super-fast Pentium computer. If you're running
through Windows, exit and run through DOS instead.
2. Do you have HIMEM.SYS and EMM386 loaded? These will slow Jazz down by
10-25% on some computers. To get better performance, please try booting
your computer clean be