info hiimpact 
High Impact Football (rev LA5 02/15/91)
ROM name="sl1_high_impact_sound_u4.u4" size="131072" crc="28effd6a" sha1="4a839f15e1b453a22fdef7b1801b8cc5cfdf3c29"
ROM name="sl1_high_impact_sound_u19.u19" size="131072" crc="0ea22c89" sha1="6d4579f6b10cac685be01348451b3537a0626034"
ROM name="sl1_high_impact_sound_u20.u20" size="131072" crc="4e747ab5" sha1="82040f40aac7dae577376a742eadaaa9644500c1"
ROM name="la5_high_impact_game_rom_u105.u105" size="131072" crc="104c30e7" sha1="62b48b9c20730ffbaa1810650ff55aba14b6880d"
ROM name="la5_high_impact_game_rom_u89.u89" size="131072" crc="07aa0010" sha1="7dfd34028afeea4444e70c40fa30c6576ff22f7d"
ROM name="la1_high_impact_game_rom_u111.u111" size="131072" crc="49560560" sha1="03d51e6019afa9a396c91a484969be4922fa4c99"
ROM name="la1_high_impact_game_rom_u112.u112" size="131072" crc="4dd879dc" sha1="ac4f02fcb933df38f1ebf51b109092b77563b684"
ROM name="la1_high_impact_game_rom_u113.u113" size="131072" crc="b67aeb70" sha1="dd1512329c46da4254712712b6f847544f4487bd"
ROM name="la1_high_impact_game_rom_u114.u114" size="131072" crc="9a4bc44b" sha1="309eb5214fe5e1fe64d724d515190a31fc524aae"
ROM name="la1_high_impact_game_rom_u95.u95" size="131072" crc="e1352dc0" sha1="7faa2cfa9ebaf2d99b243232316221b672869703"
ROM name="la1_high_impact_game_rom_u96.u96" size="131072" crc="197d0f34" sha1="2d544588c3241423188ac7fb7aff87043fdd063d"
ROM name="la1_high_impact_game_rom_u97.u97" size="131072" crc="908ea575" sha1="79802d8df4e016d178be98333d2b1d047a27eccc"
ROM name="la1_high_impact_game_rom_u98.u98" size="131072" crc="6dcbab11" sha1="7432172810fd4b922b61769c68d86f24769a42cf"
ROM name="la1_high_impact_game_rom_u106.u106" size="131072" crc="7d0ead0d" sha1="1e65b6e7e629021d70603df37db5fa89cfe93175"
ROM name="la1_high_impact_game_rom_u107.u107" size="131072" crc="ef48e8fa" sha1="538de37cd8342085ec27f67292a7eeb1007e3b1f"
ROM name="la1_high_impact_game_rom_u108.u108" size="131072" crc="5f363e12" sha1="da398c0204f785aad4c52007d2f25031ecc1c63f"
ROM name="la1_high_impact_game_rom_u109.u109" size="131072" crc="3689fbbc" sha1="d95c0a2e3abf977ba7a899e419c22d004020c560"
ROM name="ep610.u8" size="815"
ROM name="pls153a.u40" size="235" crc="69e5143f" sha1="1a1e7b3233f7d5a1c161564710e8e984a9b0a16c"
ROM name="ep610.u51" size="815"
ROM name="ep610.u52" size="815"
ROM name="ep610.u65" size="815"
🕑 Last update: February 16, 2026
info hiimpact1 
High Impact Football (rev LA1 12/16/90)
ROM name="sl1_high_impact_sound_u4.u4" No differences from parent set (sl1_high_impact_sound_u4.u4)
ROM name="sl1_high_impact_sound_u19.u19" No differences from parent set (sl1_high_impact_sound_u19.u19)
ROM name="sl1_high_impact_sound_u20.u20" No differences from parent set (sl1_high_impact_sound_u20.u20)
ROM name="la1_high_impact_game_rom_u105.u105" size="131072" crc="e86228ba" sha1="0af263e51cb65115038ee5bf508515674e05913e"
ROM name="la1_high_impact_game_rom_u89.u89" size="131072" crc="f23e972e" sha1="e5ae5eaf5f97ec271b92072fd674e8cd93b36778"
ROM name="la1_high_impact_game_rom_u111.u111" No differences from parent set (la1_high_impact_game_rom_u111.u111)
ROM name="la1_high_impact_game_rom_u112.u112" No differences from parent set (la1_high_impact_game_rom_u112.u112)
ROM name="la1_high_impact_game_rom_u113.u113" No differences from parent set (la1_high_impact_game_rom_u113.u113)
ROM name="la1_high_impact_game_rom_u114.u114" No differences from parent set (la1_high_impact_game_rom_u114.u114)
ROM name="la1_high_impact_game_rom_u95.u95" No differences from parent set (la1_high_impact_game_rom_u95.u95)
ROM name="la1_high_impact_game_rom_u96.u96" No differences from parent set (la1_high_impact_game_rom_u96.u96)
ROM name="la1_high_impact_game_rom_u97.u97" No differences from parent set (la1_high_impact_game_rom_u97.u97)
ROM name="la1_high_impact_game_rom_u98.u98" No differences from parent set (la1_high_impact_game_rom_u98.u98)
ROM name="la1_high_impact_game_rom_u106.u106" No differences from parent set (la1_high_impact_game_rom_u106.u106)
ROM name="la1_high_impact_game_rom_u107.u107" No differences from parent set (la1_high_impact_game_rom_u107.u107)
ROM name="la1_high_impact_game_rom_u108.u108" No differences from parent set (la1_high_impact_game_rom_u108.u108)
ROM name="la1_high_impact_game_rom_u109.u109" No differences from parent set (la1_high_impact_game_rom_u109.u109)
ROM name="ep610.u8" size="815"
ROM name="pls153a.u40" No differences from parent set (pls153a.u40)
ROM name="ep610.u51" size="815"
ROM name="ep610.u52" size="815"
ROM name="ep610.u65" size="815"
🕑 Last update: February 16, 2026
info hiimpact2 
High Impact Football (rev LA2 12/26/90)
ROM name="sl1_high_impact_sound_u4.u4" No differences from parent set (sl1_high_impact_sound_u4.u4)
ROM name="sl1_high_impact_sound_u19.u19" No differences from parent set (sl1_high_impact_sound_u19.u19)
ROM name="sl1_high_impact_sound_u20.u20" No differences from parent set (sl1_high_impact_sound_u20.u20)
ROM name="la2_high_impact_game_rom_u105.u105" size="131072" crc="25d83ba1" sha1="4422a34b2957aabb3f0a26ca129e290dfc062933"
ROM name="la2_high_impact_game_rom_u89.u89" size="131072" crc="811f1253" sha1="125a6cca26d37fae343b78046774f54ee6e8d996"
ROM name="la1_high_impact_game_rom_u111.u111" No differences from parent set (la1_high_impact_game_rom_u111.u111)
ROM name="la1_high_impact_game_rom_u112.u112" No differences from parent set (la1_high_impact_game_rom_u112.u112)
ROM name="la1_high_impact_game_rom_u113.u113" No differences from parent set (la1_high_impact_game_rom_u113.u113)
ROM name="la1_high_impact_game_rom_u114.u114" No differences from parent set (la1_high_impact_game_rom_u114.u114)
ROM name="la1_high_impact_game_rom_u95.u95" No differences from parent set (la1_high_impact_game_rom_u95.u95)
ROM name="la1_high_impact_game_rom_u96.u96" No differences from parent set (la1_high_impact_game_rom_u96.u96)
ROM name="la1_high_impact_game_rom_u97.u97" No differences from parent set (la1_high_impact_game_rom_u97.u97)
ROM name="la1_high_impact_game_rom_u98.u98" No differences from parent set (la1_high_impact_game_rom_u98.u98)
ROM name="la1_high_impact_game_rom_u106.u106" No differences from parent set (la1_high_impact_game_rom_u106.u106)
ROM name="la1_high_impact_game_rom_u107.u107" No differences from parent set (la1_high_impact_game_rom_u107.u107)
ROM name="la1_high_impact_game_rom_u108.u108" No differences from parent set (la1_high_impact_game_rom_u108.u108)
ROM name="la1_high_impact_game_rom_u109.u109" No differences from parent set (la1_high_impact_game_rom_u109.u109)
ROM name="ep610.u8" size="815"
ROM name="pls153a.u40" No differences from parent set (pls153a.u40)
ROM name="ep610.u51" size="815"
ROM name="ep610.u52" size="815"
ROM name="ep610.u65" size="815"
🕑 Last update: February 16, 2026
info hiimpact3 
High Impact Football (rev LA3 12/27/90)
ROM name="sl1_high_impact_sound_u4.u4" No differences from parent set (sl1_high_impact_sound_u4.u4)
ROM name="sl1_high_impact_sound_u19.u19" No differences from parent set (sl1_high_impact_sound_u19.u19)
ROM name="sl1_high_impact_sound_u20.u20" No differences from parent set (sl1_high_impact_sound_u20.u20)
ROM name="la3_high_impact_game_rom_u105.u105" size="131072" crc="b9190c4a" sha1="adcf1023d62f67fbde7a7a7aeeda068d7711f7cf"
ROM name="la3_high_impact_game_rom_u89.u89" size="131072" crc="1cbc72a5" sha1="ba0b4b54453fcd1888d40690848e0ee4150bb8e1"
ROM name="la1_high_impact_game_rom_u111.u111" No differences from parent set (la1_high_impact_game_rom_u111.u111)
ROM name="la1_high_impact_game_rom_u112.u112" No differences from parent set (la1_high_impact_game_rom_u112.u112)
ROM name="la1_high_impact_game_rom_u113.u113" No differences from parent set (la1_high_impact_game_rom_u113.u113)
ROM name="la1_high_impact_game_rom_u114.u114" No differences from parent set (la1_high_impact_game_rom_u114.u114)
ROM name="la1_high_impact_game_rom_u95.u95" No differences from parent set (la1_high_impact_game_rom_u95.u95)
ROM name="la1_high_impact_game_rom_u96.u96" No differences from parent set (la1_high_impact_game_rom_u96.u96)
ROM name="la1_high_impact_game_rom_u97.u97" No differences from parent set (la1_high_impact_game_rom_u97.u97)
ROM name="la1_high_impact_game_rom_u98.u98" No differences from parent set (la1_high_impact_game_rom_u98.u98)
ROM name="la1_high_impact_game_rom_u106.u106" No differences from parent set (la1_high_impact_game_rom_u106.u106)
ROM name="la1_high_impact_game_rom_u107.u107" No differences from parent set (la1_high_impact_game_rom_u107.u107)
ROM name="la1_high_impact_game_rom_u108.u108" No differences from parent set (la1_high_impact_game_rom_u108.u108)
ROM name="la1_high_impact_game_rom_u109.u109" No differences from parent set (la1_high_impact_game_rom_u109.u109)
ROM name="ep610.u8" size="815"
ROM name="pls153a.u40" No differences from parent set (pls153a.u40)
ROM name="ep610.u51" size="815"
ROM name="ep610.u52" size="815"
ROM name="ep610.u65" size="815"
🕑 Last update: February 16, 2026
info hiimpactp 
High Impact Football (prototype, revision0 proto 8.6 12/09/90)
ROM name="sl1_high_impact_sound_u4.u4" No differences from parent set (sl1_high_impact_sound_u4.u4)
ROM name="sl1_high_impact_sound_u19.u19" No differences from parent set (sl1_high_impact_sound_u19.u19)
ROM name="sl1_high_impact_sound_u20.u20" No differences from parent set (sl1_high_impact_sound_u20.u20)
ROM name="pa1_high_impact_game_rom_u105.u105" size="131072" crc="79ef9a35" sha1="200d50b108401e889b6200c53c203ee5041d1423"
ROM name="pa1_high_impact_game_rom_u89.u89" size="131072" crc="2bd3de30" sha1="ee3615c1cc5b948731eb258887641f059b942b25"
ROM name="la1_high_impact_game_rom_u111.u111" No differences from parent set (la1_high_impact_game_rom_u111.u111)
ROM name="la1_high_impact_game_rom_u112.u112" No differences from parent set (la1_high_impact_game_rom_u112.u112)
ROM name="la1_high_impact_game_rom_u113.u113" No differences from parent set (la1_high_impact_game_rom_u113.u113)
ROM name="la1_high_impact_game_rom_u114.u114" No differences from parent set (la1_high_impact_game_rom_u114.u114)
ROM name="la1_high_impact_game_rom_u95.u95" No differences from parent set (la1_high_impact_game_rom_u95.u95)
ROM name="la1_high_impact_game_rom_u96.u96" No differences from parent set (la1_high_impact_game_rom_u96.u96)
ROM name="la1_high_impact_game_rom_u97.u97" No differences from parent set (la1_high_impact_game_rom_u97.u97)
ROM name="la1_high_impact_game_rom_u98.u98" No differences from parent set (la1_high_impact_game_rom_u98.u98)
ROM name="la1_high_impact_game_rom_u106.u106" No differences from parent set (la1_high_impact_game_rom_u106.u106)
ROM name="la1_high_impact_game_rom_u107.u107" No differences from parent set (la1_high_impact_game_rom_u107.u107)
ROM name="la1_high_impact_game_rom_u108.u108" No differences from parent set (la1_high_impact_game_rom_u108.u108)
ROM name="la1_high_impact_game_rom_u109.u109" No differences from parent set (la1_high_impact_game_rom_u109.u109)
ROM name="ep610.u8" size="815"
ROM name="pls153a.u40" No differences from parent set (pls153a.u40)
ROM name="ep610.u51" size="815"
ROM name="ep610.u52" size="815"
ROM name="ep610.u65" size="815"
🕑 Last update: February 16, 2026
info hiimpact4 
High Impact Football (rev LA4 02/04/91)
ROM name="sl1_high_impact_sound_u4.u4" No differences from parent set (sl1_high_impact_sound_u4.u4)
ROM name="sl1_high_impact_sound_u19.u19" No differences from parent set (sl1_high_impact_sound_u19.u19)
ROM name="sl1_high_impact_sound_u20.u20" No differences from parent set (sl1_high_impact_sound_u20.u20)
ROM name="la4_high_impact_game_rom_u105.u105" size="131072" crc="5f67f823" sha1="4171b6949682d1b2180e39d44c4e0033c4c07149"
ROM name="la4_high_impact_game_rom_u89.u89" size="131072" crc="404d260b" sha1="46bb44b3f1895d3424dba7664f198bce7dee911d"
ROM name="la1_high_impact_game_rom_u111.u111" No differences from parent set (la1_high_impact_game_rom_u111.u111)
ROM name="la1_high_impact_game_rom_u112.u112" No differences from parent set (la1_high_impact_game_rom_u112.u112)
ROM name="la1_high_impact_game_rom_u113.u113" No differences from parent set (la1_high_impact_game_rom_u113.u113)
ROM name="la1_high_impact_game_rom_u114.u114" No differences from parent set (la1_high_impact_game_rom_u114.u114)
ROM name="la1_high_impact_game_rom_u95.u95" No differences from parent set (la1_high_impact_game_rom_u95.u95)
ROM name="la1_high_impact_game_rom_u96.u96" No differences from parent set (la1_high_impact_game_rom_u96.u96)
ROM name="la1_high_impact_game_rom_u97.u97" No differences from parent set (la1_high_impact_game_rom_u97.u97)
ROM name="la1_high_impact_game_rom_u98.u98" No differences from parent set (la1_high_impact_game_rom_u98.u98)
ROM name="la1_high_impact_game_rom_u106.u106" No differences from parent set (la1_high_impact_game_rom_u106.u106)
ROM name="la1_high_impact_game_rom_u107.u107" No differences from parent set (la1_high_impact_game_rom_u107.u107)
ROM name="la1_high_impact_game_rom_u108.u108" No differences from parent set (la1_high_impact_game_rom_u108.u108)
ROM name="la1_high_impact_game_rom_u109.u109" No differences from parent set (la1_high_impact_game_rom_u109.u109)
ROM name="ep610.u8" size="815"
ROM name="pls153a.u40" No differences from parent set (pls153a.u40)
ROM name="ep610.u51" size="815"
ROM name="ep610.u52" size="815"
ROM name="ep610.u65" size="815"
🕑 Last update: February 16, 2026
