[Nov/21/99]

1990 Sega 
GP Rider

Sega PCB # 834-7626-01
Network PCB: 834-7273

Hardware Specs: Dual 68000 CPU @ 12 Mhz (one is protected)
                Protected Hitachi Module FD1094 (A12) (OG2)
                Sega Part # 317-0162

Sound: Yamaha YM2151 and Sega Custom PCM

Notes: This board is unique. It looks like it uses chips from
       both Sega System 16 and 18.

Custom Sega ICs: 315-5211A,315-5197, 315-5242, 315-5248, 315-5249,
                 315-5250, 315-5248, 315-5218

PAL ICs: 315-5278, 315-5304, 315-5290, 315-5291, 315-5280

Fujitsu MB8421-90LP (Network PCB Chip)

EPR13368 BIN       131,072  11-21-99  8:04a EPR13368.BIN
EPR13369 BIN       131,072  11-21-99  8:03a EPR13369.BIN
EPR13370 BIN       131,072  11-21-99  8:03a EPR13370.BIN
EPR13371 BIN       131,072  11-21-99  7:58a EPR13371.BIN
EPR13372 BIN       131,072  11-21-99  7:58a EPR13372.BIN
EPR13373 BIN       131,072  11-21-99  7:58a EPR13373.BIN
EPR13375 BIN       131,072  11-21-99  7:57a EPR13375.BIN
EPR13376 BIN       131,072  11-21-99  7:56a EPR13376.BIN
EPR13377 BIN       131,072  11-21-99  7:56a EPR13377.BIN
EPR13379 BIN       131,072  11-21-99  7:54a EPR13379.BIN
EPR13380 BIN       131,072  11-21-99  7:54a EPR13380.BIN
EPR13381 BIN       131,072  11-21-99  7:53a EPR13381.BIN
EPR13382 BIN       131,072  11-21-99  7:53a EPR13382.BIN
EPR13383 BIN        65,536  11-21-99  7:52a EPR13383.BIN
EPR13384 BIN        65,536  11-21-99  7:51a EPR13384.BIN
EPR13385 BIN        65,536  11-21-99  7:51a EPR13385.BIN
EPR13388 BIN        65,536  11-21-99  7:44a EPR13388.BIN Z80 Audio Code
EPR13389 BIN       131,072  11-21-99  7:47a EPR13389.BIN Sega PCM
EPR13390 BIN       131,072  11-21-99  7:46a EPR13390.BIN Sega PCM
EPR13391 BIN       131,072  11-21-99  7:45a EPR13391.BIN Sega PCM
EPR13392 BIN       131,072  11-21-99  7:49a EPR13392.BIN 68000 Code
EPR13393 BIN       131,072  11-21-99  7:48a EPR13393.BIN 68000 Code
EPR13394 BIN       131,072  11-21-99  7:49a EPR13394.BIN 68000 Code
EPR13395 BIN       131,072  11-21-99  7:50a EPR13395.BIN 68000 Code
EPR13406 BIN       131,072  11-21-99  7:42a EPR13406.BIN Protected Code
EPR13407 BIN       131,072  11-21-99  7:42a EPR13407.BIN Protected Code
OPR13374 BIN       131,072  11-21-99  8:01a OPR13374.BIN
OPR13378 BIN       131,072  11-21-99  8:01a OPR13378.BIN
EPR13367 BIN       131,072  11-21-99  8:04a EPR13367.BIN

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[MAME]

GP Rider (World), Sega X-board
CPU: FD1094 (317-0163)
Custom Chip 315-5304 (IC 127)
IC BD Number: 834-7626-03 (roms are "MPR") / 834-7626-05 (roms are "EPR")

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GP Rider (US), Sega X-board
CPU: FD1094 (317-0162)
Custom Chip 315-5304 (IC 127)
IC BD Number: 834-7626-01 (roms are "MPR") / 834-7626-04 (roms are "EPR")
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