rec.autos.simulators

F1GP FAQ - Q&A

Dave Gym

F1GP FAQ - Q&A

by Dave Gym » Tue, 05 Sep 1995 04:00:00

                        F1GP/WC QUESTIONS AND ANSWERS

                     WHAT MACHINES IS IT AVAILABLE FOR?

   The game was first released on the Amiga and ST with the PC version
   following around a year later. The Amiga and ST versions can both be run
   of disk and do not need hard drive installation.

   GB: As far as I know there are two version of the game for the PC, F1GP
   on floppies, which is supplied on 4 high density disks with optional
   upgrade disks, and F1GP on CD, which is EXACTLY the same game but on a
   silver disk. Do not buy this unless you don't have a floppy drive, since
   it costs more and has no extra features. Quite what MicroProse is
   playing at is unknown, but the CD version represents bad value for your
   money.

   The game is now reissued by Digital Integration on the PowerPlus budget
   label.

   DG: Having played both the Amiga and PC versions, I noticed some
   important differences. First, some of the tracks are physically
   different, Monaco and Imola at least. Second, perhaps because of the low
   frame rate or different control routines, the car is much, much harder
   to set up on the Amiga than the PC; it's very hard to feel whether the
   car has any under- or oversteer. It's also much harder to time the
   turn-in points properly, as Ivanhoe's explanation of frame rates above
   predicts.

               WHAT SORT OF PERFORMANCE CAN I EXPECT ON MY PC?

   Here is a rough table of machine against performance:

 CPU MHz Memory Detail Occupancy FPS
 -----------------------------------
 P5    100  8MB  4d  T   33%  25fps  (Squirty's w/ D.Stealth 24 2MB VRAM)
 P5     90 24MB  4d  T   37%  25fps  (Gizmo's tower of power w/ PCI K64)
 486DX2/66  8MB  4d  T   70%  25fps  (Gizmo's Linux box w/ VLB CL5428)
 486DX2/66  4MB  4d  T   60%  25fps
 486DX2/66 32MB  4d  T   53%  25fps  (Pete F's Dan4Win w/ Spea V7 VLB)
 486DX2/66  ?    4d  T   70%  25fps  (MBP's under OS/2)
 486DX  33  ?    4d  T   90%  25fps  (Graham A's)
 486DX2/66 16MB  4d NT   35%  25fps  (Nigel Bovey's)
 486SX  33  4MB  4d NT   66%  25fps
 486DX2/50 24MB  4d NT   95%  25fps  (Paul Smyth's w/ ISA ET4000-W32)
 486SX  25  4MB  4d NT  100%  25fps  (a DELL)
 486SX  25  ?    4d NT   80%  25fps  (Nightshade's oldie)
 486SX  25  4MB  4d NT  100%  23fps  (Ben Lester's)
 486SX  25  2MB  4d NT  100%  21fps
 386DX  40  4MB  4d NT  100%  20fps
 386DX  40  2MB  4d NT  100%  20fps  (possibly optimistic)
 486DX2/50 24MB  4d NT  100%  18fps  (Paul Smyth's w/ ISA S3-924)
 386DX  33  8MB  4d NT  100%  17fps  (Gizmo's old faithful w/ T8900CL)
 386SX  20  2MB  1d NT  100%  15fps  (Max Behara's)
 386SX  25  2MB  4d NT  100%  14fps  (Stingray's)
 386SX  20  2MB  4d NT  100%   8fps  (Max Behara's)

   It appears that as long as you have at least 2mb of RAM, the actual
   amount makes absolutely no difference. The difference between the
   DX2/66s above is attributable to graphics card alone; see the difference
   between Paul Smyth's machine with two different graphics cards
   installed. DG: IMHO if you have a 486SX/25 or better with a VLB or PCI
   graphics card you should be able to crank the frame rate right up
   without texture; a 486DX2/50 or better will add texture without any
   penalty. A 486DX2/66 should be able to do linked play at 25fps, possibly
   with detail cranked down a bit, and a Pentium 75 or faster is pure
   heaven. (Lots of memory is useful, for logging data to a RAMdrive when
   using the GPPerf and GPLap TSRs.)

   The details level is shown by the amount of detail around the track, 1d
   being the lowest level and 4d the highest, the other detail option is
   the track shading, this is shown by T (track shading on), NT (no track
   shading). The average processor occupancy is as you go around any track.
   This is just a rough estimate, since tracks can vary quite a lot
   (Phoenix and Hockenheim are quite stressful, with lots of buildings and
   tress), but the occupancy really shouldn't go above 100% very much. The
   final column show the speed in frames per pecond that this set-up
   allows.

   Even on similar machines, several things will affect speed. A machine
   with some external cache will outperform one without; the actual amount
   of cache is probably not going to make much difference. Graphics card
   performance also makes a big difference; a local bus card will run much
   faster that an ISA card, and some cards have better DOS performance than
   others (Cirrus Logic based cards are good, ET4000 and derivatives are
   even better; VLB and PCI cards will be much faster than ISA ones).

   The general consensus seem to be that people would rather have it
   running smoother, but with less detail, this shows one of the main
   advantages of F1GP over IndyCar, in that it runs quickly on a slow
   machine and smooth graphics are possible quite easily.

   The Amiga version runs at a similar speed regardless of the machine's
   capacity, about 3-8 fps, depending on circuit and level of detail, even
   in the fastest 68060 system. (The latest F1GP-Ed and also F1GP-Patch can
   alter this, at a compatability cost.)

   Does the performance vary on an ST? Mail me if it does.

So how does this affect lap times?

   Short answer: it doesn't.

   Long answer: it doesn't... directly. DG is in the fortunate position of
   having both a P90 and a 386DX/33 on his desk (well, okay, the 386 is
   under the desk...), and loaded identical copies of the game up on both
   machines. The first and most obvious difference was that the game does
   not do a good job of matching "real time" (measured on a stopwatch
   during laps on qualifying tyres at Monaco). The first tests were done on
   the 386. With 100% to 130% occupancy, the game's timer runs slow, being
   about three seconds behind reality. With all the detail turned off and
   the occupancy down to about 70% to 110%, it was about three seconds
   ahead of reality. With the frame rate reduced and occupancy between 45%
   and 75%, it was about 4 seconds behind. Then testing moved to the P90.
   With maximum detail and about 33% to 44% occupancy, the timer was about
   4 seconds fast.

   Now, here's the crunch. Despite these differences, the lap times
   reported by the game were very close, all in the 1:14.4 range. The game
   was noticeably easier to play at higher frame rates and lower
   occupancies. However, with very high occupancies (more than 200%, such
   as on the 386 with texture turned on), the difference from real time
   becomes very noticeable; the whole game runs in slow motion, and is
   potentially easier to play as you get much longer to react. Ivanhoe
   Vasiljevich came up with the superb (and very lightly edited)
   explanation below.

     [...] a high frame rate [as opposed to occupancy] may have its
     advantages (my opinion, not proven!):

     Using a frame rate of 25 fps means that you have 25 possibilities to
     perform an action (eg. braking, accelerating) every second, whereas
     driving with 16 fps only allows you 16 `slots' per second, to brake,
     for example.

     Assuming that a typical braking maneuver begins at 300 km/h (188
     mph), this equals a speed of 83 m/s, so that at 25 fps you can take
     action (brake) every 3.3 m as opposed to every 5.2 m when using 16
     fps. (Using an even lower frame rate naturally worsens the
     situation. At 8 fps the distance between two points of action is
     10.3 m!) During a normal lap including many braking maneuvers, this
     may affect the overall performance, not to mention techniques like
     pulsing the throttle.

     In my opinion it would be best to turn off as much detail as
     necessary and increase the frame rate as high as possible. (It may
     not look as cool, but honestly, who has got the time to enjoy the
     beautiful panorama when chasing a new lap record?)

   However, since the game's physics model is imperfect (after all, it's
   just a model), playing at different frame rates will reveal slight
   differences in certain circumstances. Here's a short test done for the
   LFRS championship:

     I ran three tests, each consisting of two laps round Mexico City.
     Each test was at a different frame rate, and each lap was consistent
     with the other. I looked at the entry and exit speeds for the
     Peralta (the final, awesome corner). All tests were done using GPLap
     5 to remove any randomized BHP or AI grip effects, under version
     1.05, on a 90 MHz, 24MB Pentium, with a 1MB DRAM Orchid Kelvin 64
     PCI graphics card.

     Test 1. Frame rate: 25 FPS. Entry: 189 mph, exit: 190 mph. Gain of 1
     mph in corner.

     Test 2. Frame rate: 18.7 FPS. Entry: 189 mph, exit: 188 mph. Loss of
     1 mph in corner.

     Test 3. Frame rate: 13 FPS. Entry: 188 mph, exit: 186 mph. Loss of 2
     mph in corner and 1 mph before entry.

   Probably one could also find example situations where 13 FPS or 18.7 FPS
   were optimal and 25 FPS went slower.

                  WHY DOES THE INSTALLATION FAIL ON THE PC?

   When installing the game unpacks some large files. On a fragmented hard
   disk there might not be a large enough free block for them and the
   Installation will crash with a very unhelpful message. Just run a
   defragmenter on the hard drive, such as Norton Speed Disk or the one
   supplied with MS-DOS 6, the game should then install no problem. You can
   also try disabling SmartDrive, since it is reported to create problems
   too.

   Another potential problem pointed out to me is that the game copies all
   the Data files onto hard disk before decompressing them, and this
   effectively doubles the amount of space it uses at installation time, so
   make sure you have plenty of free hard disk space, as this will cure
   both this problem and the one above.

               WHY DOES THE FADE BETWEEN SCREENS TAKE SO LONG?

   We don't know, but it's awful isn't it? DG: On the Amiga I believe there
   is a patch to help cure this; on the PC I run from a Windows DOS box
   with the Exclusive option selected, which for some reason speeds it up.
   I think it must have something to do with timer emulation because under
   Windows/NT I have Hardware Timer Emulation turned on and it fades slowly
   again. Version 1.03 and earlier on the PC seem to use a different fading
   technique to later versions (bitmapped rather than palette) which is
   faster on faster machines. The Technical FAQ has some C source to remove
   the fading on the PC.

                   WHY DOES THE GAME SOMETIMES SLOW DOWN?

   The graphics for generating the pit-lane are quit complex and so your
   occupancy will always rise when in the pits, though this isn't usually
   too much of a problem. The only other place where the game seems to slow
   is the back straight at Phoenix and the second straight at Hockenheim.
   The slow down at Phoenix is probably due to the large buildings it has
   to draw, the one at Hockenheim because of the number of trees. Turn down
   the detail if you notice a slowdown and don't like it.

                WHY DOESN'T IT SAVE MY LAP RECORDS & SETUPS?

   Qualifying records are only saved after a complete event; if you aren't
   interested in the race, you must still go to it, then immediately press
   escape and accelerate time. After a quick race, you must wait wait until
   it says "race over" and goes to the post-race menu. In both cases you
   will be able to select the "lap records" option and should see
   "(Record)" in yellow under any new records. Race records set in races
   shorter than 100% distance will not count. To actually save them for
   posterity, you must exit to the main menu, go to "load/save game", and
   select "save track records". On the Amiga, you must load them by hand
   every time you start the game; on the PC, there is an option called
   "startup files" which allows you to load names, setups, and records when
   the game loads. Sadly, it will not save them automatically; you should
   make sure you save any the records and setups if you have changed them
   before you exit the game.

                     WHAT IS THE BEST CONTROLLER METHOD?

   On the Amiga, keyboard or digital joystick seems best.

   On the PC, keyboard seems to be preferred by many of the top drivers,
   with analog joystick coming a close second. DG: The professional wheel
   systems (such as the T1 or ACP) don't seem to work wonderfully. I've had
   a few success stories but many people go back to the keyboard!

   Javier Vizcaino provided the following information about using radio
   control units with the game.

     It is [...] possible to change a transmitter used in radio control
     (R/C) to turn it into a PC joystick, and play F1GP. I've modified a
     few, and let me tell you that there is nothing similar to drive with
     these devices.

   He also provides some information about PC game ports which help a few
   folks out. Note that if you're going to play games on a PC with a
   joystick, you really should invest in either a decent soundcard with
   credible joystick ports [DG: my Gravis UltraSound is pretty good, and my
   SoundBlaster 16 also seems reliable a drift-free] or a dedicated game
   card.

     About the game port, this is what happens. Game ports on the PC can
     be full (the initial good ones with a 558, still found on SB cards
     at least, four pots and four buttons), or half (cheaper chinese
     solution, two pots and two buttons, simple joysticks). F1GP goes
     well on a half port. The problem is that there are a lot of multi
     I/O boards with Winbond chips including a half game port which
     presents the missing buttons pressed. When F1GP starts calibrating
     the joystick, it stops till seeing the four buttons released (it
     can't know if your game port is full or half); with the above board,
     calibration doesn't start, and you have to abort it with the ESC
     key. So if calibrating the joystick the game seems to freeze till
     you press ESC, may be you have this problem. Check with DEBUG: i201;
     if you see bits 7-6 at 0, the game port presents the third and
     fourth buttons pressed.

                WHAT IS THE SOUND LIKE ON A SOUNDBLASTER ETC?

   Not all that much better unfortunately if anything the PC speaker is
   more irritating and thus more realistic! The Amiga sound is reported to
   be quite good with a good use of stereo, and the ST is as bad as the PC!
   The SoundBlaster support was improved considerably in versions later
   than 1.01, but is still quite poor.

   DG: The Amiga sounds good even through a TV. The PC with 1.05 and a
   SoundBlaster is okay if you turn it up real loud, but not a patch on the
   Amiga. A PC with MT-32 or other MIDI is pathetic, but the music is
   better. *sigh* I don't know about the ST, but I'd guess it's better than
   a PC speaker and nowhere near as good as the Amiga.

                HOW DO I MAKE THE (PC) GAME MORE CHALLENGING?

   Aside from using the editor to speed up the opposition, the easiest ways
   to make the game more difficult are to turn of Traction and Steering
   Help, both of these options are listed off the Games Control menu, in
   the Accelerating and Steering menus respectively. With these off the
   game becomes a good deal harder, but it still leaves a lot to be
   desired.

   Several top Hall Of Fame drivers, both on the PC and Amiga, report that
   driving with Traction Help off, whilst harder, also improves lap times
   at many circuits.

                     I AM BORED WITH THE GAME, WHAT NOW?

   Well it has to happen eventually, so what now? You could join one of the
   championships on the Net and learn to really hate the game or try either
   of these two very sad games...

Dodgems

   The basic idea behind this one is to make your car indestructible and
   then wipe out the opposition as fast as possible. Top tip, go backwards
   quickly. This is fun for about 30 minutes whilst you do each of the
   tracks and marvel at the difference of the courses when viewed from the
   other direction.

Jumping

   A particularly rubbish game this, but set your cars up for no down-force
   and then drive over the rumble strip and become air borne and see how
   far you can get. Remember to save the games as you land so you can show
   off to your friends and family...

                  IS THERE A DIFFERENCE IN CAR PERFORMANCE?

   With the performance set to Random or 1991 Levels the cars do vary in
   speed, except for the car you are driving. For this reason there is no
   point in choosing car No 1, just because it should be 10% faster like
   real life since the performance of human cars is always the same, modulo
   the BHP degredation mentioned previously.

             WHY IS THE AI (ARTIFICIAL INTELLIGENCE) SO RUBBISH?

   Who knows, but it reeks doesn't it? There seems to be no real way to
   cope with this, except to learn what the other cars do, and avoid any of
   there stupid overtaking maneuvers. This is the main area that the game
   falls down in, since everything else has been really well written.

   One of the areas in which to pay most attention is the pit lane, since
   the computer cars will quite happily pull out in front of you as you do
   150 mph down the lane and so cause a collision. Conversely, watch your
   mirrors as you pull out since they appear quite quickly if you are in
   the last pit.

   On the track, they basically follow the ideal line unless slipstreaming.
   If you can get your front wheels ahead of theirs they do move over so
   perfect your drafting technique!

                      WHY AREN'T THERE EXTENSION DISKS?

   At the moment there are no extension disks available and none are likely
   to become available, this is not through any fault of MicroProse, but
   due to the strict licensing agreements with FIA, who are in charge of
   the licensing of Grand Prix related material. MicroProse only bought the
   rights to the 1991 season so that tracks will have to stay at that
   level.

            WHO ARE THE DRIVERS MEANT TO BE, AND WHY AREN'T THEY?

   The game comes supplied with a set of names which bear almost no
   relation to the actual drivers names. This is because the drivers would
   probably want to be paid for there names, so MicroProse took the cheaper
   and more sensible option. The names that are supplied are meant to sound
   like names from the same country as the real driver, hence Carlos
   Sanchez instead of Ayrton Senna. The correct list of names can be found
   at the end of the supplement to the game, and the names for 1993/94
   season can be found on the Rec.Autos.Sport.F1 newsgroup.

                                  CIRCUITS

Which circuit does it default to around the world?

   Well, on the European version it selects Silverstone as the default GP
   if English language is chosen, Magny Cours if French is the language,
   and if the language is German it chooses Hockenheim, so it looks like it
   depends on what country you live in! Hence World Circuit uses Phoenix
   and the Italian version chooses Monza.

What are the best circuits?

   This is a scored listing of the tracks as posted by readers of the
   amigaf1gp mailing list and rec.autos.simulators. This vote is now
   closed; Monte Carlo is the clear winner, not a great surprise!

   Race                   Qualifying              Total
   1 Monte Carlo     41    1 Monte Carlo     40    1 Monte Carlo     81
   2 Magny Cours     34    2 Mexico City     36    2 Mexico City     68
   3 Spa             33    3 Hockenhiem      35    3 Imola           64
   4 Imola           32    4 Adelaide        34    4 Hockenhiem      51
   ==Mexico City     32    5 Imola           32    ==Magny Cours     51
   6 Monza           31    6 Silverstone     23    6 Spa             50
   7 Interlagos      20    7 Suzuka          20    7 Monza           49
   8 Suzuka          19    8 Monza           18    8 Adelaide        47
   9 Hockenhiem      16    9 Spa             17    9 Suzuka          39
  10 Adelaide        13    ==Magny Cours     17   10 Silverstone     35
  11 Silverstone     12   11 Montreal        12   11 Interlagos      21
  12 Phoenix         10   12 Estoril          7    ==Montreal        21
  13 Montreal         9   13 Phoenix          5   13 Phoenix         15
  14 Barcelona        3   14 Hungaroring      3   14 Estoril          7
  15 Estoril          0   15 Interlagos       1   15 Barcelona        3
   ==Hungaroring      0   16 Barcelona        0    ==Hungaroring      3

   Scoring: the top four tracks score 5, 4, 3, 1 points, with the most
   hated getting a 1 point penalty.

Is there a track editor?

   No, nor is there ever likely to be one. DG: I did hear rumors that
   someone had turned Mexico into an oval, but don't have any more details.

                   I'M IN LOVE WITH THE AUTHOR, WHO IS HE?

   The author of the game is Geoff Crammond, he has been responsible for
   most of the innovative games to appear in the auto simulation world, he
   previously wrote the original version of Revs for the BBC Micro. It was
   based on Formula 3 racing at Silverstone (the old circuit without the
   Vale complex and with the chicane at Woodcote) and was developed with
   help from David Hunt (James Hunt's brother), who was racing in British
   F3 at the time. The track was quite accurately reproduced and the game
   played quite quickly. The game had practice, qualifying and race
   sessions like F1GP, but it didn't have pits and you started your
   practice and qualifying sessions out on the track! There was also an
   expansion pack released which contained four other British tracks,
   Oulton Park, Snetterton, Donington Park, and Brands Hatch. Revs was also
   released on the Commodore 64.

   He then wrote Stunt Car Racer for the Amiga/ST (and the PC, although the
   conversion is reported to be poor: 4 color EGA only; the port was
   apparantly not done by Crammond) which was as it's name suggests was a
   stunt car racing game. The main aim of the game was to race another
   stunt car around an elevated circuit, trying not to fall off. Getting in
   your way were large gaps in the circuit which had to be jumped by
   hitting a ramp at the right speed. Too slow and you went down the hole,
   too fast and you cracked the chassis. When the chassis was fully
   cracked, your race was over. The best part about this game was the two
   player serial option which allowed you to push your mates off the track.

   The rest of the programming team seems to be members of his close
   family! The only other name that jumps out is that of Pete Cook who
   wrote some of the best games on the Sinclair ZX Spectrum. Interestingly
   he was involved with the game Grand Prix from CRL, which attempted to
   simulate the management of a GP team. It was very simple but great fun.

   Outside of auto racing games, Crammond also made an excellent 3D game
   called The Sentinel, for Spectrum, C64, Amiga, Atari, etc, and it was a
   very nice idea. You were in a landscape, absorbing some objects,
   teleporting from one place to the other, always trying to be out of
   sight of a sentinel that was guarding the landscape. The goal was to
   have enough energy to climb higher then the sentinel (you were able to
   build little platforms) and absorb him and take his place. There were
   people who didn't like the game, but those who liked it were addicted to
   it. It would be nice to see the game in Virtual Reality, it would be
   easy to write.

                       WHAT DO THE REAL DRIVERS THINK?

   There have been two drivers who have commented on the game, they are
   Oliver Gavin, and Derek Warwick. Gavin is a top F3 driver who, according
   to MicroProse, played the game on a friends Amiga before the race at
   Spa, and the went on to win it!

     "Because part of the circuit is on the public road, Oliver couldn't
     practice on the circuit", explains Geoff, "so he used F1GP to learn
     the track, took pole position and won the race."

   Derek Warwick on the other hand drove for the F1 team Arrows/Footwork
   (who helped write the game!) and gave it a glowing write up in Autosport
   Magazine, just before the Canadian GP (the 10 June 1993 issue). There
   was also an interview with the Footwork engineers. He gave some lap
   times but they were very poor, and he had to drive with full help. This
   provoked a spate of letters to the magazine from people asking for his
   job, including the following, from the 17 June 1993 issue:

     GIZAJOB

     I read last week's Canadian Grand Prix preview - about Footwork
     Formula 1's computer game - with interest.

     I have been playing the game for several months now and was
     delighted to read how accurate it is. Allen McDonald claimed he
     could lap Montreal in 1m19s. Well I can lap in 1m17.627s so does
     this mean I can take Derek Warwick's place if ever he feels like
     having the weekend off.

     J Mosley
     Sheffield, Yorkshire

   Also, a Canadian driver contacted him to say how accurate the Montreal
   course was.

                  WHAT THE DIFFERENCE BETWEEN WC AND F1GP?

   There seems to be no difference apart from the name, with the version
   numbers staying consistent with each other. The only difference is the
   loading screens (see separate question).

What are the WC gif files?

   These files are used in the US version of GP, known as World Circuit.

           WHY DO I NOT SEEM TO BE ABLE TO GO SO QUICK SOME DAYS?

   The game randomly degrades the player's car's horsepower from its
   default of 716BHP, presumably to simulate changing track conditions. The
   latest GPLap (version 5.0) fixes this.

                  WHY DOES THE CAR STEER ITSELF SOMETIMES?

   This effect is most noticeable in the pits, when the car is pulled into
   the correct lane as you drive past, though the computer 'aids' you
   steering as you go round every course. The reason for this is the
   Steering Help option set in the Game Controls, Steering, menu. This
   feature is there to help users who driver using the keyboard or a
   standard joystick, since they find it hard to make slight course
   adjustments. The only way to disable this feature in a race is to put
   the car in the 'turning gear' you can then steer the car anywhere you
   want in the pits etc, thought quite why you would want to...

                       HOW ARE THE PIT BAYS ALLOCATED?

   This is more of a general GP question than specific to the game, but the
   pits are given out according to the team's position in the previous
   years constructors championship. There seems to be a bit of a bug in the
   game when you drive for the top team, in that at some courses it is very
   hard to get into the pit bay correctly! The corner is too sharp and with
   the steering help on, you almost always over shoot. DG: Can't say as
   I've noticed this, but then again I slow down on the pit lane like
   you're supposed too.

   One correspondant reports that he is working on a patch to alter the
   pit-bay allocation.

                     WHAT HAPPENS IF I OVERSHOOT MY PIT?

   To put it simply, you cannot over shoot your pit (unless steering help
   is turned off) the computer will always try and pull you in. This means
   that you can be parked at very strange angles, but this does not seem to
   hurt your stop time, though the get-away may become more difficult! (Of
   course, some people would consider this cheating!)

   One correspondant reports:

     I've overshot the pit at Monza. The pit entrance is very straight
     and you can build up enough speed so that the game won't actually
     stop you.

                                 LINKED PLAY

Why doesn't the modem play work?

   If you own the Amiga or Atari ST version then you are out of luck since
   the modem support never appeared on either of these versions, the PC
   game is the only version with the support.

   There is no modem support on the first version (1.01) but this was added
   on the updates 1.04 and 1.05, the link option needs two quite fast
   machine to work well, on 386SX it is almost unplayable, and the slowest
   machine dictates the speed of the other machines; on a 386DX you'll
   probably need a 16550 UART to get acceptable performance. If the game
   seems to pause a lot or you get regular (but not constant) link data
   mismatches, try reducing the frame rate on the slower machine by 30% or
   more.

   You should also be aware that if one of you has altered your gp.exein
   anyway (either by a patch or a TSR), then you must both be running
   identical games. This means that:

   The AI BHP, grip, peformances levels, and the player BHP, must all
       match. The colors of the cars can be different (but of course if
       they aren't you may end up confused!).
   Both gp.exes must have been patched (or not) in identical ways with such
       tools as GPFlags, GPBHP, WCF1GP, and other editors.
   You should both run GPLap v5 or not (since this affects player BHP and
       grip).
   If you use CCPit, make sure you both run with identicalparameters.
   If you are also using the timesliced multiplayer feature, be sure to
       select the same number of players on both machines. If you cannot or
       do not want to, you cannot use CCPit.

   If you forget any of these, you will almost certainly get "data link
   mismatch" errors. The best policy is to copy the gp.exe from one machine
   to the other, and also a batch file which is used to load the TSRs and
   start the ga


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