Top Speed (World) dip switch settings:
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Dip bank A:

CABINET: (dips 1-2)
 - Deluxe Motorized Cockpit*    OFF OFF
 - Upright ?                    ON  OFF
 - Upright alt?                 OFF ON
 - Standard Cockpit             ON  ON
TEST MODE: (dip 3)
 - On                           ON
 - Off*                         OFF
DEMO SOUNDS: (dip 4)
 - Off                          ON
 - On*                          OFF
COIN A: (dips 5-6)
 - 4 Coins/1 Credit             ON  ON
 - 3 Coins/1 Credit             OFF ON
 - 2 Coins/1 Credit             ON  OFF
 - 1 Coin /1 Credit*            OFF OFF
COIN B: (dips 7-8)
 - 1 Coin/2 Credits*            OFF OFF
 - 1 Coin/3 Credits             ON  OFF
 - 1 Coin/4 Credits             OFF ON
 - 1 Coin/6 Credits             ON  ON


Dip bank B:

DIFFICULTY: (dips 1-2)
 - Easy                         ON OFF
 - Medium*                      OFF OFF
 - Hard                         OFF ON
 - Hardest                      ON  ON
INITIAL TIME: (dips 3-4)
 - 40 seconds                   ON  ON
 - 50 seconds                   OFF ON
 - 60 seconds*                  OFF OFF
 - 70 seconds                   ON  OFF
NITROS: (dips 5-6)
 - 2                            ON  OFF
 - 3*                           OFF OFF
 - 4                            OFF ON
 - 5                            ON  ON
ALLOW CONTINUE: (dip 7)
 - No*                          OFF
 - Yes                          ON
UNUSED: (dip 8)
 - Off*                         OFF
 - On                           ON

* - default setting