
                      LIGHTHOUSE TECHNICAL TIPS 
                                AND
                       SUGGESTIONS FOR MS-DOS


Thank you for purchasing Lighthouse.  In order for you to
receive the best possible performance, Sierra has included
additional technical tips and game information that was not
available when the documentation was printed.  The following
supplemental information should be considered part of the
game documentation.
============================================================

TABLE OF CONTENTS

*  Installation Procedures
*  Minimum System Requirements
*  Handy To Know
*  MS-DOS Problems and Solutions
*  Memory Troubleshooting
*  Sound Card Configurations and Sound Issues
*  Bootdisk instructions
*  Legal Information
*  If You Still Have Problems.....
============================================================

INSTALLATION PROCEDURES

If you are using file deletion tracking utilities such as
Mirror, SmartCan, Undelete, etc., please disable these
utilities before installing Lighthouse.

1.      Insert the Lighthouse CD #1 into your CD-ROM drive.
2.      From an MS-DOS prompt, type the CD-Drive letter
        followed by a colon and press the <ENTER> key.  For
        example, if your CD-ROM drive is labeled as your
        D: drive, you would type:   D: <ENTER>
3.      At your CD-ROM drive label prompt, type:  INSTALL <ENTER>
4.      Be sure the correct choice has been made for AUDIO.
        Choose ACCEPT THESE CHOICES AND INSTALL
        Follow the on-screen prompts to complete the installation.

To run Lighthouse in MS-DOS after it is installed, type the
following commands:

        C:         (and press the ENTER key)
        CD\SIERRA  (and press the ENTER key)
        LIGHT      (and press the ENTER key)

MINIMUM SYSTEM REQUIREMENTS

486DX/66
2X CD-ROM DRIVE
MOUSE
12 MB RAM (Windows 95)
8 MB RAM (Windows 3.1x/DOS)
MS-DOS 5.0+
SVGA 640 x 480 x 256 colors
Windows compatible sound card (Windows)
SoundBlaster Pro or 100% compatibles (DOS)


HANDY TO KNOW

Using Inventory

One of the first items the player will pick up in Lighthouse is 
the bag.  When the bag is clicked on while on the coat rack, or 
when the player leaves the house, the bag will appear on the 
right side of the inventory row at the bottom of the screen.
The row of items to the left of the bag, and the right of the 
Lighthouse button, are considered to be items that the player 
has out of the bag and close at hand.  As the "at hand" section 
fills with items, items previously "at hand" shift into the bag.  
The items revealed when the player clicks on the bag are 
considered to be in the bag.  You can remove an item from the 
bag by clicking on it to get its icon, then clicking anywhere 
on the screen  outside the inventory window, except on the items 
in the "at hand" region.  Clicking an icon on one of the items 
in the "at hand" region switches the two items, putting the
item clicked on in the bag.  Some items in the "at hand" region
can be clicked on each other to cause an effect., other items in
the "at hand" region can be clicked on to open an inset close up
of the item. Click on items with insets again to change the inset
to a cursor.  Items inside the bag, in the large inventory window,
cannot be clicked on each other, and will not bring up an inset.
They must be moved to the "at hand" region to do so.

Using the keyboard for game control

Some of the puzzles in Lighthouse have keyboard support.  The 
arrow keys on your keyboard can be used to operate the controls
in the bathysphere, the robot arm in the diving pod, and the 
control lever at the Roost Drawbridge.  Either the mouse or the 
keypad can be used to operate these controls.

Do not remove the CD while playing the game unless you are
prompted to do so.

To fast-forward through the movies you've already seen before,
click the mouse button or press the ESC key on your keyboard.

If you try the game in MS-DOS and find problems running the game,
try installing and running the game in Windows instead.  Running
in Windows will allow Lighthouse to use different video, sound,
and memory management drivers.

This README file is for MS-DOS issues.  There is a separate README
file for Windows problems and solutions.  If you wish to view this
file, follow the instructions in the Lighthouse manual to install
the game for Windows.  There will be an option during setup to
view the README file for Windows issues.

A list of BBS and Tech Support Numbers for Sound Card, Video Card,
and Miscellaneous Computer Peripheral / Software Manufacturers is 
provided on Lighthouse CD #1.  To view this file, type "EDIT
D:\CONTACT.TXT" (if your CD-ROM drive is D:).


MS-DOS PROBLEMS AND SOLUTIONS

-INSTALLING THE GAME-

Problem: After running INSTALL, a row of dots runs across the
   screen, then stops and locks up.
Solution: At the CD-ROM drive prompt (such as D:\)
   Type the following:
   CD\
   INST /M
   (If this doesn't work, try typing INST /F)
   The dots indicate the hardware detection portion of the install-
   ation program.  You can bypass the hardware detection (and
   therefore the lockup) by typing INST /M.  If this entry doesn't
   work, try INST /F.  One of these entries should get you past
   the lockup.
   
Problem:  "Can't create output file" or "Not enough space" during 
   installation.
Solution:  You need to free up more hard drive space before
   installing the game.


-STARTING THE GAME-

Problem: "Error 53: Can't find sound driver ''.  Please run
   INSTALL".
Solution: This error will happen if you typed "D:\INSTALL" to
   install Lighthouse.  To solve this problem, you must type "D:"
   and press the ENTER key (if your CD-ROM drive is D:), then
   type "INSTALL" and press ENTER.

Problem: "DOS/4GW Professional Fatal Error:, followed by a screen
   of technical information while running Lighthouse is an MS-DOS
   box under Windows 95.
Solution: Although you can run Lighthouse through an MS-DOS box
   under Windows 95, it is highly recommended that you reboot
   Win95 into an MS-DOS session before installing and running
   Lighthouse.  If you run in an MS-DOS box inside Windows, you
   may see "DOS/4GW Fatal error" messages.  To allow Win95 to boot
   to an MS-DOS session, reboot your computer and press the F8 key
   on your keyboard when you see the screen message "Starting
   Windows 95".

Problem: "DOS/4GW Professional Fatal Error (1307): Not enough
   memory"
Solution: Rerun the INSTALL program.  Select the option to MAKE A 
   BOOTABLE FLOPPY DISK.  Follow the prompts.  When you are
   finished making one, leave the boot disk in your floppy drive
   A:, turn off your computer, then turn it back on.  This will
   allow the boot disk to run to free up more memory for the game
   to run successfully.

Problem: "No mouse driver was found in MS-DOS"
Solution: This means your MS-DOS mouse program was not run before
   the game started.  Rerun INSTALL and choose MAKE A BOOTABLE
   FLOPPY DISK to help us find and use your MS-DOS mouse driver.
More Information: MS-DOS needs a mouse program to be run before
   it can use the mouse.  To see if a mouse program is hidden on
   your hard drive, type "DIR \MOUSE.* /S /P".  Let's say you see:
   Directory of C:\MSMOUSE
   MOUSE   COM
   Directory of C:\WINDOWS
   MOUSE   DRV
   MOUSE   INI
   A mouse program will end in ".COM" or ".EXE", so the mouse
   drivers in C:\WINDOWS in this example won't do.  To run the
   mouse driver in MSMOUSE in this example, type
   "C:\MSMOUSE\MOUSE.COM".  You should see a message saying your
   mouse is now enabled.  You can now play Lighthouse.

Problem: "No VESA support detected"
Solution: This means your video card's VESA program was not run
   before the game started.  VESA allows MS-DOS games to run in
   colorful, crisp high-resolution.  Please refer to your video
   card manual for more information to run your particular VESA
   program to enable high resolution in MS-DOS.  Some examples
   are "VVESA.COM", "VESA.COM", and "VMODE VESA".
More Information:  We have provided many popular VESA drivers for
   you on the Lighthouse CD #1.  They are located in the \VESA
   directory on the CD.  

Problem: "Cannot find 999.pal resource.  If this is a CD-ROM game,
   please make sure that a CD-ROM is loaded.  If you continue to
   experience this dialog, make sure your CD-ROM drivers are
   loaded properly."
Solution #1: Make sure one of the Lighthouse CDs is in the CD-ROM
   drive before starting the game.
Solution #2: If you booted off a boot disk that does not load your
   CD-ROM drivers, please reboot without that boot disk.  If you
   need to use a boot disk, please rerun Lighthouse's INSTALL and
   choose MAKE A BOOTABLE FLOPPY DISK to make one that supports
   Lighthouse.

Problem: "Error 29: Unable to initialize audio hardware"
Solution #1: If you have a Gravis Ultrasound, please install and
   run the game in Windows.
Solution #2: If you have a Pro Audio Spectrum Plus, rerun INSTALL
   and choose "Pro Audio Spectrum" instead of
   "Pro Audio Spectrum 16".


-MUSIC, SPEECH, AND SOUND EFFECTS-

Note: Check if your SET BLASTER environment variable is enabled
and at the correct setting.  To check this, at the C: prompt, type
SET and press <ENTER>.  You should see a line that says
BLASTER = A220 I7 D1 (or something similar).  If you do not see
such a line and your sound card is on Address 220, IRQ 10, and
DMA 1, at the C: prompt, type SET BLASTER = A220 I10 D1 and press
<ENTER>.  This line tells MS-DOS how to access your sound card
and may prevent lockups.

Problem: In MS-DOS, using a Reveal or Aztech Labs sound card, the
   music and speech are barely audible.
Solution: The chipset used to emulate the Sound Blaster digital
   to analog conversion is not 100% compatible with the Sound
   Blaster driver built-in to the game.  Rerun INSTALL and choose
   Microsoft Windows Sound System for AUDIO.  If this does not
   instantly improve the volume, change to the UTILITY subdirectory
   in the sound card's DOS directory.  Run SETMODE /MSS to change
   over to Microsoft Sound System mode.  Then, load the sound
   card's mixer to reset the digital audio level -- the executable
   for this may be SG16MIX or MIXTSR.  After doing this, unload
   the mixer to free up memory: type SG16MIX /Q or MIXTSR /Q.
   Keep in mind that these commands will need to be typed each
   time you go into the game.

   If this does not help, try making and using a boot disk to free
   up more conventional memory.  This may help.  If it doesn't
   help, install Lighthouse in Windows for full sound.  

Question: Why does Lighthouse not support General MIDI, Roland
   MT-32, AWE32, Wave Synthesizer or FM Synthesizer?
Answer: All the music, speech, and sound effects in Lighthouse
   are digitized, not synthesized.  This allows more control over
   the game's sound quality and timing on every SB compatible
   sound card without the need for MIDI Mapper setup issues, music
   volume control too loud or too soft, hanging notes, etc.


-MAKING AND USING A BOOT DISK-

Question: What is a boot disk?
Explanation: A boot disk is a way to make games work faster and
better on your computer.  All you need is a blank floppy disk for
your A: drive.  This will not work in your B: drive.  To make a
boot disk, rerun the INSTALL program and choose the menu option
MAKE A BOOTABLE FLOPPY DISK.

Problem: When you run INSTALL and choose MAKE A BOOTABLE FLOPPY
   DISK, it makes one successfully, but it doesn't load the
   CD-ROM or other drivers.
Solution: At the MS-DOS prompt, go to your CD-ROM drive letter by 
   typing D: and pressing the <ENTER> key.  If your CD-ROM drive
   is another letter, type that drive letter instead.  Then type
   the command: BOOTDISK -c -p  and press the <ENTER> key.  This
   is an updated boot disk maker that will find the latest CD-ROM
   and other drivers.
Note: On some computers, we have found typing BOOTDISK  -c -s512
   will improve your computer's performance using a boot disk
   with Lighthouse.

Problem: "Can't find FORMAT.COM--Unable to make boot disk"
Solution: This is caused when our boot disk maker program cannot
   find FORMAT.COM on your hard drive. This usually happens if
   you installed PC Tools or Norton Utilities. These utilities
   rename FORMAT.COM to either FORMAT!.COM or XXFORMAT.COM. If
   this is the case, please type the following commands from a
   C:\> prompt:
   CD \DOS
   COPY FORMAT!.COM FORMAT.COM
   COPY XXFORMAT.COM FORMAT.COM
   One of these commands will help restore your FORMAT command
   back to normal, and will allow our boot disk maker to work.

Problem: "Can't make bootdisk since you're not using COMMAND.COM"
   or "Boot disk was not created"
Solution: This can be caused if you are using 4DOS or NDOS (in
   Norton Utilities). Get to a C:\> prompt. Type: SET and press
   the ENTER key.  COMSPEC should equal C:\COMMAND.COM or
   C:\DOS\COMMAND.COM. If COMSPEC = 4DOS.COM or NDOS.COM, the
   boot disk maker will not work. To correct this, type:
   SET COMSPEC=C:\DOS\COMMAND.COM  This will allow our boot disk
   maker to work. When you reboot without a boot disk, the
   COMSPEC will return to your original setting.

Problem: "Invalid Drive Specification" using a boot disk on a
   Western Digital IDE controller.
Explanation: The Western Digital IDE hard drive controller
   displays a message "Press the SPACEBAR to boot from a floppy
   disk." If you insert the boot disk and reboot before seeing
   this message, you'll get the message "Invalid Drive
   Specification" and won't have hard drive access until you
   reboot without the boot disk.
Solution: Remove the boot disk from the floppy drive. Reboot your 
   computer. When you see this message, insert the boot disk and
   press the SPACEBAR.

Problem: "Invalid Drive Specification" using a boot disk on larger 
   Seagate hard drives, such as the Seagate 800 meg hard drive.
Explanation: Seagate hard drives larger than 528 meg use a disk
   manager called "EZ-DRIVE."  If you insert the boot disk and
   reboot before seeing this message, you'll get the message
   "Invalid Drive Specification" and won't have hard drive access
   until you reboot without the boot disk.
Solution: Remove the boot disk from the floppy drive. Hold down
   the CTRL key and reboot your computer. You'll see a message
   "Insert boot disk and hit ENTER to reboot." Insert the boot
   disk and press ENTER.

Problem: "Invalid Drive Specification" using a boot disk on a
   removable media drive, such as Bernoulli, Seagate, or SyQuest
   drives.  Explanation: Our boot disk maker does not load the
   removable media drive software drivers.  If your removable
   drive was D: and your CD-ROM was E: when the game was installed,
   then you booted with our boot disk to free up more memory, your
   Bernoulli drive would not be seen, and your CD-ROM drive would
   now be D:.  The Lighthouse icon's properties will not be
   correct to run the game in this case.
Solution:  Add your removable media drivers to the boot disk.


-RUNNING THE GAME-

Problem: The mouse cannot get past the left side of the screen
Solution: You need either an updated mouse driver or an updated
   VESA driver.  Please contact the mouse or video card hardware
   vendor for driver updates.

Problem: "EMM386 Error 6 or Error 12... " The error number may
   vary.
Solution: This is caused by a memory conflict. Running the game
   from the boot disk will usually correct this problem. Please
   see "Create a Boot Disk" under Memory Troubleshooting.

Problem: "CDR 101 Error reading" or "DOS Error, Read Error".
Solution:  Make sure the CD is not scratched, dirty, or smudged
   with fingerprints.  If so, clean it with a soft cloth and try
   again.  This can also be caused by an outdated version of the
   MSCDEX file.
   MS-DOS version 6.2 and above should use MSCDEX version 2.23
   MS-DOS version 6.0 should use MSCDEX version 2.22
   MS-DOS version 5.0 should use MSCDEX version 2.21
   If you have MSCDEX version 2.20, please get a later version
   from your CD-ROM manufacturer.

Problem: "Out of Moveable Memory"
Solution:  Make a boot disk.  Please make sure you have enough
   memory to run the game.  If you have 4 meg of RAM instead of
   8 meg, the game will try to run, but will fail when more memory
   is required.  The most common causes for this error is either
   insufficient memory (4 meg of RAM) or excessively large disk
   caches such as SmartDrive (2 meg allocated on an 8 meg
   computer).


-OTHER COMMENTS-

Please make sure you are using Microsoft's MSCDEX program for
CD-ROM drive access.  If you are using Corel's CORELCDX program
instead, you may experience "Out of Memory" messages and other 
random problems playing Sierra games.  The easiest way to bypass 
CORELCDX is to make a boot disk.  Please refer to the "Making and 
Using a Boot Disk" section of this README file.

Note: Although you can run Lighthouse through an MS-DOS box under
Win95, it is highly recommended that you reboot Win95 into an
MS-DOS session before installing and running Lighthouse.  If you
run in an MS-DOS box inside Windows, you may see
"DOS/4GW Fatal error" messages.

Note: If you are installing this game as a DOS application under
Win95 and are having problems with random lockups running
Lighthouse as a true MS-DOS session (where you reboot the computer
in MS-DOS mode), try modifying the properties of Lighthouse's PIF
file.  To do this in Win95, right click on the Lighthouse DOS.BAT
file.  Click on the PROPERTIES menu choice, then on the PROGRAM
tab, then on the ADVANCED button.  Make sure to select
"Prevent MS-DOS-based programs from detecting Windows", and
de-select "Suggest MS-DOS mode as necessary".  Click the OK
buttons.  This will create a new Lighthouse.PIF file to help try
to run the game smoother in DOS mode.  This new PIF file will
only help if your computer has the proper conventional and XMS
extended memory allocated upon bootup of Windows 95.  In other
words, if you only have 500K of conventional memory when booting
Win95, and the game requires 540K, you still need to free up
additional memory (by following the instructions in the text file
BDWIN95.TXT on Lighthouse CD #1).

If you don't see your question listed, most difficulties with
Lighthouse can be resolved by simply running the game with a boot
disk.  Please see "Create a Boot Disk" under Memory
Troubleshooting.


MEMORY TROUBLESHOOTING

Some game players have experienced difficulty getting enough
memory to run Lighthouse.  This usually occurs on computer systems
with 8 megabytes of RAM, but can happen on machines with more
memory.  If you are having trouble starting the game because of
memory problems or are receiving memory-related errors during the
game (such as an "Out of Hunk" or "Out of Memory" message), please
make and use a boot disk.

Create a Boot Disk:  Sierra has included a boot disk maker with
Lighthouse.  You can access it by running INSTALL from game CD #1.
You can also access the boot disk maker from the MS-DOS prompt.
Type "BOOTDISK -c -p" at the D:\> prompt (if your CD-ROM is D:).


SOUND CARD CONFIGURATIONS AND SOUND ISSUES

Lighthouse's Control Panel can NOT adjust the volume control in
the game.  If you need more control, most sound cards' speech and
music volume can be controlled through software provided by the
sound card manufacturer.  Here is a list of some common sound
cards' mixer volume control commands in MS-DOS.

Sound Blaster 16:
Type C:\SB16\SB16MIX

Vibra 16 in AST Advantage: 
Type C:\VIBRA16\MIXERSET

Sound Galaxy 16 in Packard Bell: 
Type C:\SOUND16A\UTILITY\MIXTSR or type C:\SOUND144\MIXTSR

Ensoniq Soundscape:
Type:  SSINIT

Compaq Presario CDS 524, 920, etc.: 
If DEVICE=C:\CPQDOS\VOLCTRL.EXE is in CONFIG.SYS on the boot disk,
then:
Press CTRL-RIGHTSHIFT to increase volume
Press CTRL-LEFTSHIFT to decrease volume

Proaudio Spectrum Family:
Type PAS * to bring up the mixer controls
Press CTRL-ALT-U to increase the master volume level
Press CTRL-ALT-D to lower the master volume level

Sound Blaster 8 bit: No software control. Adjust thumbwheel on
the back of the card.

Thunderboard: No software control. Adjust thumbwheel on the back
of the card.


BOOTDISK INSTRUCTIONS

There is a bootdisk creator included with the program located in
the INSTALL program.  In  DOS clicking on the create bootdisk
option during the install will make you a startup disk for DOS.
If you are having problem with the automatic bootdisk creator you
can use the bootdisk maker instructions that are listed below.


The following boot disk instructions will work with both the DOS
and Windows versions of Light House. Please read the entire
instructions prior to starting at Step 1.  If you are playing the
Windows version of Light House, you can skip Step 2. 

STEP 1
FORMATTING THE DISK
To make a boot disk, format a high density diskette in the A:
drive.  (It is necessary to reformat the disk if it is already
formatted.)   Formatting the disk with the /S switch will transfer
the "system files" to the disk and allow the computer to boot up
correctly.  The disk must be in the A: drive; the computer will
not boot from the B: drive.  Type the FORMAT command as follows:

FORMAT A: /S <ENTER>

If you get a "Bad command or file name" error message, type: 

PATH=C:\DOS <ENTER>

Then retype the FORMAT command above.  If you receive the error
again, the MS-DOS FORMAT command may not be on your system, or it
may have been renamed.  Programs such as PC Tools and Norton Disk
Utilities sometimes rename the FORMAT command to prevent
accidental loss of data.  If you are using a program of this type,
check your documentation to find out how to format a SYSTEM DISK,
then proceed to Step 2.


STEP 2
LOCATING THE MOUSE DRIVER  (skip this step if you are playing the
Windows version) The DOS version of Light House requires a
Microsoft compatible mouse driver be loaded into memory before
playing the game.  There are two kinds of mouse drivers available:
those that load in the CONFIG.SYS file and those that load in the
AUTOEXEC.BAT file.  CONFIG.SYS mouse drivers have an extension of
.SYS (MOUSE.SYS) and AUTOEXEC.BAT drivers have either a .COM or
.EXE extension (MOUSE.COM, MOUSE.EXE).  You must load at least one
of these drivers, but it is not necessary to load them all. 

If you do not know where the mouse drivers are located on your
system, the command below should help you locate them.  Type the
following at the C:\ prompt:

DIR MOUSE* /S <ENTER>

This command will cause the system to search all subdirectories
for a file called MOUSE.  If the system locates a MOUSE file, it
will display the path where the file is located.  For example, if
the MOUSE.COM file is located in a C:\MOUSE directory, the system
will display:

Directory of C:\MOUSE
     MOUSE.SYS     55160    03-10-92     3:10a
     MOUSE.COM     56408    03-10-03     6:00a

If this procedure does not locate a MOUSE file, your mouse driver
may have a different name; some common names for mouse drivers
are IMOUSE, GMOUSE and HPMOUSE.  Your should check your mouse
documentation for the exact file names and how to install them. 

Once you have located the mouse driver, you must copy it to the
boot disk.  The following example assumes that the mouse drivers
are located in the C:\MOUSE directory as shown above.  To copy the
MOUSE files to the boot disk, type:

COPY C:\MOUSE\MOUSE.* A: <ENTER>

Substitute the appropriate path and file names for your mouse
drivers in the command above.  After you press ENTER, you should
see a message indicating that some files were copied.

STEP 3
LOCATING THE CD ROM DEVICE DRIVER
The CD ROM drive requires a device driver loaded in the CONFIG.SYS
file.  This driver must be loaded correctly or you will be unable
to access your CD ROM drive. To make sure that the device driver
loads correctly on the boot disk, look at the CONFIG.SYS on the
hard drive and copy the driver line from there.  At the C:\
prompt, type:

TYPE CONFIG.SYS|MORE

NOTE:  The | is called a "pipe" command and is created by
pressing:
<SHIFT> <BACKSLASH>.

The CONFIG.SYS file will display on the screen.  Look for the
line that loads the CD ROM device driver.  This line will contain
the same "/D:" switch as the MSCDEX line in the AUTOEXEC.BAT file.
Using the MSCDEX example above, you would be looking for a line
containing "/D:MSCD001".
The line should look something like this:

DEVICE=C:\DRV\CDROMDRV.SYS /D:MSCD001 /P:220
               - OR -
DEVICEHIGH=C:\DRV\CDROMDRV.SYS /D:MSCD001 /P:220
               - OR -
DEVICEHIGH /L:14652 =C:\DRV\CDROMDRV.SYS /D:MSCD001 /P:220

The device driver in your CONFIG.SYS may differ slightly from
those listed above.  Carefully write down the line for use in your
boot disk.  Leave out the "HIGH" in "DEVICEHIGH" and the "/L:"
information, if any.
Your CD ROM device line should appear as follows:

DEVICE=C:\DRV\CDROMDRV.SYS /D:MSCD001 /P:220

NOTE:  If you have a SCSI CD ROM drive, there may be an additional
driver in your CONFIG.SYS that must be loaded for the CD ROM
device drivers to load correctly.  Check your CD ROM drive
documentation for more information.

STEP 4
LOCATING THE MSCDEX CD ROM EXTENSION 
In addition to the CD ROM device driver in the CONFIG.SYS, your
CD-ROM drive requires MSCDEX, the Microsoft extension for CD-ROM
drives.  If this extension is not loaded correctly in the
AUTOEXEC.BAT, you will be unable to access your CD ROM drive.
To make sure that MSCDEX loads correctly on the boot disk, look
at the AUTOEXEC.BAT on the hard drive and copy the MSCDEX line
from there.  At the C:\ prompt, type:

TYPE AUTOEXEC.BAT|MORE <ENTER>

The AUTOEXEC.BAT file will display on the screen.  Look for the
line that loads the MSCDEX extension.  It should look something
like this:

C:\DOS\MSCDEX /D:MSCD001
              - OR -
LH C:\DOS\MSCDEX /D:MSCD001 
              - OR -
LOADHIGH /L:14429 C:\DOS\MSCDEX /D:MSCD001

The MSCDEX line in your AUTOEXEC.BAT may differ slightly from the
ones above.  Carefully write down the entire line following the
drive letter.  Include the full drive and path to the MSCDEX file
and leave out any LH or LOADHIGH commands.  For example, any of
the above lines should appear as follows:

C:\DOS\MSCDEX /D:MSCD001

This is how the line will appear in the AUTOEXEC.BAT on your boot
disk.

STEP 5
LOCATING THE SOUND CARD DRIVERS
Many sound cards have drivers or initialization lines that must
be loaded in the AUTOEXEC.BAT or CONFIG.SYS.   Some sound cards
that require these drivers or initialization routines are:
SoundBlaster 16, MAD16 and the Aria 16.

At the end of these Boot Disk Instructions, you will find a
section labeled "Sound Cards".  These tables contain the sound
card lines for many common sound cards.  Check to see if your
sound card is on the list.  If it is, then you will need to add
the appropriate lines to the AUTOEXEC.BAT and/or CONFIG.SYS on
your boot disk.  If your sound card is not on the list, you
should check your documentation for information on what needs to
be loading in the AUTOEXEC.BAT and CONFIG.SYS.

STEP 6
CREATING THE CONFIG.SYS FILE
To create the CONFIG.SYS file on the boot disk, switch to the A:
drive and type the following:

COPY CON CONFIG.SYS <ENTER>  (the cursor will drop down one line
and blink)

DEVICE=C:\DOS\HIMEM.SYS <ENTER>
DEVICE=C:\DOS\EMM386.EXE NOEMS
DOS=HIGH,UMB <ENTER>
FILES=30 <ENTER>
BUFFERS=20 <ENTER>

If you are using the MOUSE.SYS file to load your mouse, add the
following line to the CONFIG.SYS:

DEVICE=A:\MOUSE.SYS <ENTER>

Add the CD ROM device driver as you wrote it down in the "Locating
the CD ROM Device Driver" section.  For example:

DEVICE=C:\DRV\CDROMDRV.SYS /D:MSCD001 /P:220  <ENTER>

If you need to load any sound card drivers, copy them from the 
"Sound Cards" section now.  The following example lines are for
the SoundBlaster 16:

DEVICE=C:\SB16\DRV\CTSB16.SYS /UNIT=0 /BLASTER=A:220 I:5 D:1 H:5
<ENTER>
DEVICE=C:\SB16\DRV\CTMM.SYS <ENTER>

Complete the file by pressing <F6> <ENTER>.

STEP 7
CREATING THE AUTOEXEC.BAT FILE
To create the AUTOEXEC.BAT file on the boot disk, switch to the
A: drive and type the following:

COPY CON AUTOEXEC.BAT <ENTER>  (the cursor will drop down one
line and blink)
@ECHO OFF <ENTER>
C:\ <ENTER>
SET COMSPEC=C:\COMMAND.COM <ENTER>
PROMPT SIERRA BOOT DISK $_$P$G <ENTER>
PATH=C:\;C:\DOS;C:\SIERRA <ENTER>

If you are using the MOUSE.COM or MOUSE.EXE file to load your
mouse driver, add the appropriate line:

A:\MOUSE.EXE <ENTER>

Add the MSCDEX line as you write it down in the "Locating the
MSCDEX CD ROM Extension" section.  For example:

C:\DOS\MSCDEX /D:MSCD001 <ENTER>

If you need to run any sound card initialization programs or load
any drivers, copy them from the "Sound Cards" section now.  The
following example lines are for the SoundBlaster 16:

SET BLASTER=A220 I5 D1 H5 T6 <ENTER>
SET SOUND=C:\SB16 <ENTER>
SET MIDI=SYNTH:1 MAP:E <ENTER>
C:\SB16\SB16SET /M:220 /VOC:220 /CD:220 /MIDI:220 /LINE:220
<ENTER>
C:\SB16\DIAGNOSE /S <ENTER>

Complete the file by pressing <F6> <ENTER>.

STEP 8
REBOOT THE SYSTEM AND START THE GAME
Reboot your system by pressing the <RESET> button on your
computer or by using the <CTRL> <ALT> <DELETE> key sequence on
your keyboard.  Follow the instructions in the game manual to
start the game.  

SECTION 8 - WINDOWS 95 BOOT DISK INSTRUCTIONS

FOR INSTRUCTIONS ON HOW TO CORRECTLY MAKE A BOOT DISK
FOR WINDOWS 95 REFER TO THE "BDWIN95.TXT" FILE LOCATED 
IN THE ROOT DIRECTORY OF LIGHTHOUSE CD#1.

Ex.  D:\BDWIN95.TXT


LEGAL INFORMATION

This entire work is copyright (c)1995 Sierra On-Line Inc.
Contains technology described in U.S. Patent applications
including 598,174 and 658,297 and 5,377,997 and 5,430,835
All Rights Reserved.

DOS/4GW Professional Protected Mode Run-time
Copyright (c) 1990-1993
Rational System, Inc.

Data Compression Software
Copyright (c) 1988-1992
Stac Electronics
U.S. Patents Pending including 5,106,009.
Other patents pending.

Universal VESA driver software library
Portions copyright (c) 1993-1995
SciTech Software


BY USING THIS SOFTWARE, YOU ARE AGREEING TO BE BOUND
BY THE TERMS OF THIS LICENSE.

Sierra On-Line End User License Agreement

This software is copyrighted.  This software and documentation
is licensed to you by Sierra On-Line.  You may copy it onto a
computer for your own personal use and you may make back up copies
of the software to protect your software against loss.  This
software may be used by more than one person, and may be freely
moved from one computer location to another provided that there
is no possibility of the software being used at one location or
on one computer while it is being used at another.  The software
can not legally be used by two different people in different
places at the same time.  You may not modify, network, rent,
lease, loan, distribute the software or create derivative works
based upon the software in whole or in part, and you may not
electronically transmit the software from one computer to another
or over a network.

This End User License Agreement grants you a limited license to
use the Redistributable Code licensed to Sierra On-Line, Inc. by
Microsoft Corporation, Inc. together with Microsoft operating
system products.  All intellectual property rights in Microsoft's
Redistributable Code contained in this product belong exclusively
to Microsoft Corporation, Inc.


Limited Warranty

Sierra warrants the diskette(s) to be free of defects in
materials and workmanship for a period of 90 days from the date
of purchase.  Sierra On-Line's entire liability and your exclusive
remedy will be replacement of the disk.

SIERRA ON-LINE SPECIFICALLY DISCLAIMS ALL OTHER WARRANTIES,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED
WARRANTY OF MERCHANTIBILITY OR FITNESS FOR A PARTICULAR PURPOSE.

This limited warranty gives you specific legal rights; you may
have others which may vary from state to state.  Some states do
not allow the exclusion of incidental or consequential damages,
or the limitation on how long an implied warranty lasts, so some
of the above may not apply to you.


IF YOU STILL HAVE PROBLEMS...

If you continue to experience any problems with Light House, or
if you have any questions, our Technical Support Department will
be more than happy to assist you. You can reach Technical Support
at (206) 644-4343 between 8:15 am and 4:45 pm, Monday through
Friday.  We can also be reached by fax at (206) 644-7697 or by
mail at the following address:

Sierra On-Line Technical Support
PO Box 85006
Bellevue, WA  98015-8506

In Europe, please contact our office in England. The Customer
Service number is (44) 1734-303171, between 9:00 am and 5:00 pm,
Monday through Friday.   The BBS number is (44) 1734-304227 and
the fax number is (44) 1734-303201.  Customer Service can also
be reached at the following address:

Sierra On-Line Limited
4 Brewery Court
The Old Brewery
Theale, Reading, Berkshire
RG7 5AJ UNITED KINGDOM

You can also contact our Technical Support Team on one of the
following services:

Sierra BBS           (206) 644-0112 
CompuServe           GO SIERRA
America Online       KEYWORD SIERRA
Internet             support@sierra.com

If you decide to write or fax, please fill out the attached
"Technical Support Request" form and return it to Sierra
Technical Support.  This will give us the information we need to
help you as efficiently as possible.

SPECIAL NOTE:  For help in making technical support issues easier
for all parties, there is a separate file called "HELPFORM.TXT",
which can be printed out for multiple copies of the below
Technical Support questionaire.

Sierra Technical Support Request

To help us help you, please fill out this information and return
it to Sierra Technical Support.

Name:
Fax number:
Phone number:
Address:

Game name, version number and S/N number (from disk #1): 

What problem are you having?  Be VERY specific.  Is there an error 
message?  What is it?  Where does it occur? Does it happen the 
same way each time?


Type of computer (486, Pentium, etc.)

Brand of video card (Trident, Diamond, etc.)

Amount of RAM (8 meg, 12 meg, etc.)

DOS version (MS-DOS 6.0, PC-DOS 6.2, etc.)

CD-ROM Speed (2x, 4x, etc.)

Brand of sound card and sound card settings (SoundBlaster Pro, 
Forte16, Mozart, etc.  Please be VERY specific with the brand name. 
Sound card settings include DMA, IRQ and I/O values.)

Any disk compression?  What kind? (Doublespace, Stacker, etc.)

Any third-part memory manager?  What kind?  (QEMM, 386MAX, etc.)

Largest executable program size or bytes free after booting with 
he boot disk. (Type MEM to find out.) 

What have you tried so far?  (Boot disk, no sound, etc.)



Please attach copies of your CONFIG.SYS and AUTOEXEC.BAT from your 
hard drive and the boot disk.


