| Name | Description | Year | Manufacturer | Rom | Clone | Sample |
| seeq8003 | SEEQ 8003 EDLC | | | | | |
| seeq80c03 | SEEQ 80C03 EDLC | | | | | |
| sega_315_5006 | Sega 315-5006 | | | | | |
| sega_315_5010 | Sega 315-5010 | | | | | |
| sega_315_5013 | Sega 315-5013 | | | | | |
| sega_315_5014 | Sega 315-5014 | | | | | |
| sega_315_5015 | Sega 315-5015 | | | | | |
| sega_315_5018 | Sega 315-5018 | | | | | |
| sega_315_5028 | Sega 315-5028 | | | | | |
| sega_315_5033 | Sega 315-5033 | | | | | |
| sega_315_5041 | Sega 315-5041 | | | | | |
| sega_315_5048 | Sega 315-5048 | | | | | |
| sega_315_5051 | Sega 315-5051 | | | | | |
| sega_315_5061 | Sega 315-5061 | | | | | |
| sega_315_5064 | Sega 315-5064 | | | | | |
| sega_315_5065 | Sega 315-5065 | | | | | |
| sega_315_5084 | Sega 315-5084 | | | | | |
| sega_315_5093 | Sega 315-5093 | | | | | |
| sega_315_5096 | Sega 315-5096 | | | | | |
| sega_315_5098 | Sega 315-5098 | | | | | |
| sega_315_5099 | Sega 315-5099 | | | | | |
| sega_315_5102 | Sega 315-5102 | | | | | |
| sega_315_5110 | Sega 315-5110 | | | | | |
| sega_315_5111 | Sega 315-5111 | | | | | |
| sega_315_5128 | Sega 315-5128 | | | | | |
| sega_315_5132 | Sega 315-5132 | | | | | |
| sega_315_5133 | Sega 315-5133 | | | | | |
| sega_315_5135 | Sega 315-5135 | | | | | |
| sega_315_5155 | Sega 315-5155 | | | | | |
| sega_315_5162 | Sega 315-5162 | | | | | |
| sega_315_5176 | Sega 315-5176 | | | | | |
| sega_315_5177 | Sega 315-5177 | | | | | |
| sega_315_5178 | Sega 315-5178 | | | | | |
| sega_315_5179 | Sega 315-5179 | | | | | |
| sega_315_5195 | Sega 315-5195 Memory Mapper | | | | | |
| sega_315_5248 | Sega 315-5248 Multiplier | | | | | |
| sega_315_5249 | Sega 315-5249 Divider | | | | | |
| sega_315_5250 | Sega 315-5250 Compare/Timer | | | | | |
| sega_317_0004 | Sega 317-0004 | | | | | |
| sega_317_0005 | Sega 317-0005 | | | | | |
| sega_317_0006 | Sega 317-0006 | | | | | |
| sega_317_0007 | Sega 317-0007 | | | | | |
| sega_32x_ntsc | Sega 32X (NTSC) | | | | | |
| sega_32x_pal | Sega 32X (PAL) | | | | | |
| sega_9h0_0008_card | Sega Toys 9H0-0008 barcode card | | | | | |
| sega_9h0_0008_iox_slot | Sega Toys 9H0-0008 I/O expansion slot | | | | | |
| sega_beena_card_reader | Sega Beena Card Reader | | | | | |
| sega_beena_card_reader_2061 | Sega Beena Card Reader RD2061 | | | | | |
| sega_fm_unit | SG-1000 FM Sound Unit | | | | | |
| sega_hangon_sprite | Sega Custom Sprites (Hang On) | | | | | |
| sega_outrun_sprite | Sega Custom Sprites (Out Run) | | | | | |
| sega_scu | Sega System Control Unit | | | | | |
| sega_sharrier_sprite | Sega Custom Sprites (Space Harrier) | | | | | |
| sega_sk1100 | Sega SK-1100 Keyboard | | | | | |
| sega_sk1100e | Sega SK-1100 Keyboard (with diareses) | | | | | |
| sega_sp400 | Sega SP-400 Plotter | | | | | |
| sega_speech_device | Sega Speech Sound Board | | | | | |
| sega_sys16a_sprite | Sega System 16A Sprites | | | | | |
| sega_sys16b_sprite | Sega System 16B Sprites | | | | | |
| sega_tvochken_card_reader | Sega TV Ocha-ken Card Reader | | | | | |
| sega_xboard_sprite | Sega X-Board Sprites | | | | | |
| sega_yboard_sprite | Sega Y-Board Sprites | | | | | |
| sega005_sound | Sega 005 Custom Sound | | | | | |
| sega315_5124 | Sega 315-5124 SMS1 VDP | | | | | |
| sega315_5246 | Sega 315-5246 SMS2 VDP | | | | | |
| sega315_5313 | Sega 315-5313 Megadrive VDP | | | | | |
| sega315_5377 | Sega 315-5377 Gamegear VDP | | | | | |
| sega315_5838 | Sega 315-5838 / 317-0229 Compression and Encryption | | | | | |
| sega315_5881 | Sega 315-5881 Encryption | | | | | |
| sega315_6154 | Sega 315-6154 Northbridge | | | | | |
| sega8_4pak | SMS 4-Pak Cart | | | | | |
| sega8_basicl3 | SC-3000 BASIC Level III Cart | | | | | |
| sega8_card_slot | Sega Master System / Game Gear / SG-1000 Card Slot | | | | | |
| sega8_cart_slot | Sega Master System / Game Gear / SG-1000 Cartridge Slot | | | | | |
| sega8_castle | SG-1000 The Castle Cart | | | | | |
| sega8_ccatch | SG-1000 Card Catcher Cart | | | | | |
| sega8_codemasters | Mark III, SMS & GG Codemasters Carts | | | | | |
| sega8_dahjeea | SG-1000 Dahjee RAM expansion + Cart (Type A) | | | | | |
| sega8_dahjeeb | SG-1000 Dahjee RAM expansion + Cart (Type B) | | | | | |
| sega8_eeprom | GG Carts + EEPROM | | | | | |
| sega8_hicom | SMS Hi-Com Carts | | | | | |
| sega8_janggun | SMS Janggun Cart | | | | | |
| sega8_korean | SMS Korean Carts | | | | | |
| sega8_korean_188 | SMS Korean 188 in 1 Multicart | | | | | |
| sega8_korean_nb | SMS Korean No-Bank Mapper Carts | | | | | |
| sega8_megacart | SC-3000 Megacart Cart | | | | | |
| sega8_mgear | Master Gear Converter | | | | | |
| sega8_multicart | SC-3000 MkII Multicart Cart | | | | | |
| sega8_music | SC-3000 Music Editor Cart | | | | | |
| sega8_nemesis | SMS Nemesis Cart | | | | | |
| sega8_othello | SG-1000 Othello Cart | | | | | |
| sega8_rom | SG-1000, SMS & GG Carts | | | | | |
| sega8_seojin | SMS Seo Jin Multi-cart | | | | | |
| sega8_terebi | SG-1000 Terebi Oekaki Cart | | | | | |
| sega8_x_terminator | GG X-Terminator | | | | | |
| sega8_zemina | SMS Zemina Carts | | | | | |
| sega837_14438 | Sega 837-14438 SH I/O BD | | | | | |
| segaai | AI | 1986 | Sega | | | |
| segaai_card_slot | Sega AI Card Slot | | | | | |
| segaai_exp_slot | Sega AI Expansion Slot | | | | | |
| segaai_rom_128 | Sega AI Card - 128KB | | | | | |
| segaai_rom_256 | Sega AI Card - 256KB | | | | | |
| segaai_soundbox | Sega AI Expansion - Soundbox | | | | | |
| segabill | Sega Billboard | | | | | |
| segacd | Sega CD (USA, NTSC) | 1992 | Sega | | | |
| segacd_europe | Sega Mega-CD (PAL) | | | | | |
| segacd_japan | Sega Mega-CD (Japan) | | | | | |
| segacd_us | Sega Sega CD (US) | | | | | |
| segacd2 | Sega CD 2 (USA, NTSC) | 1993 | Sega | | | |
| segadimm | Sega DIMM Board | | | | | |
| segaic16_road | Sega 16-bit Road Generator | | | | | |
| segaic16_video | Sega 16-bit Video | | | | | |
| segajw | Joker's Wild (Rev. B) | 1991 | Sega | | | |
| segam1audio | Sega Model 1 Sound Board | | | | | |
| seganetw | Sega Network Board | | | | | |
| seganinj | Sega Ninja (315-5102) | 1985 | Sega | | | |
| seganinja | Sega Ninja (315-5113) | 1985 | Sega | seganinj | seganinj | |
| seganinju | Sega Ninja (not encrypted) | 1985 | Sega | seganinj | seganinj | |
| segapcm | Sega PCM | | | | | |
| segapm | Picture Magic | 1996 | Sega | | | |
| segapsg | Sega VDP PSG | | | | | |
| segartv | Sega Race-TV (Export) | 2007 | Sega | lindbios | | |
| segas24_mixer | Sega System 24 Mixer | | | | | |
| segas24_sprite | Sega System 24 Sprites | | | | | |
| segas24_tile | Sega System 24 Tilemap | | | | | |
| segas32_pcb | Sega System 32 PCB | | | | | |
| segas32_pcb_4player | Sega System 32 4-player/fighting PCB | | | | | |
| segas32_pcb_analog | Sega System 32 analog PCB | | | | | |
| segas32_pcb_cd | Sega System 32 CD PCB | | | | | |
| segas32_pcb_multi | Sega Multi 32 | | | | | |
| segas32_pcb_multi_6player | Sega Multi 32 6-player PCB | | | | | |
| segas32_pcb_multi_analog | Sega Multi 32 analog PCB | | | | | |
| segas32_pcb_regular | Sega System 32 regular PCB | | | | | |
| segas32_pcb_trackball | Sega System 32 trackball PCB | | | | | |
| segas32_pcb_upd7725 | Sega System 32 uPD7725 PCB | | | | | |
| segas32_pcb_v25 | Sega System 32 V25 PCB | | | | | |
| segasp | Sega System SP (Spider) BIOS | 2004 | Sega | | | |
| segausb | Sega Universal Sound Board | | | | | |
| segausbrom | Sega Universal Sound Board with ROM | | | | | |
| segawski | Sega Water Ski (Japan, Revision A) | 1997 | Sega | | | |
| segaxbd_pcb | Sega X-Board PCB | | | | | |
| segaxbd_pcb_aburner2 | Sega X-Board PCB (After Burner) | | | | | |
| segaxbd_pcb_fd1094 | Sega X-Board PCB (FD1094) | | | | | |
| segaxbd_pcb_lastsurv | Sega X-Board PCB (Last Survivor) | | | | | |
| segaxbd_pcb_lastsurv_fd1094 | Sega X-Board PCB (Last Survivor, FD1094) | | | | | |
| segaxbd_pcb_rascot | Sega X-Board PCB (Royal Ascot) | | | | | |
| segaxbd_pcb_reg | Sega X-Board PCB (regular) | | | | | |
| segaxbd_pcb_smgp | Sega X-Board PCB (SMGP) | | | | | |
| segaxbd_pcb_smgp_fd1094 | Sega X-Board PCB (SMGP, FD1094) | | | | | |
| sei0210 | Seibu Kaihatsu SEI0210 Sprite generator | | | | | |
| sei0211 | Seibu Kaihatsu SEI0211 Sprite generator | | | | | |
| sei80bu | SEI80BU Encrypted Z80 Interface | | | | | |
| seibu_adpcm | Seibu ADPCM interface | | | | | |
| seibu_cop_boot | Seibu COP (bootleg) | | | | | |
| seibu_crtc | Seibu CRT Controller | | | | | |
| seibu_sound | Seibu Sound System | | | | | |
| seicross | Seicross (set 1) | 1984 | Nichibutsu / Alice | | | |
| seicrossa | Seicross (set 2) | 1984 | Nichibutsu / Alice | seicross | seicross | |
| seiha | Seiha (Japan 870725) | 1987 | Nichibutsu | | | |
| seiham | Seiha (Japan 870723, medal) | 1987 | Nichibutsu | seiha | seiha | |
| sekaikh | Sekai Kaseki Hakken (Japan, SKH1 Ver.B) | 2004 | Namco | | | |
| sekaikha | Sekai Kaseki Hakken (Japan, SKH1 Ver.A) | 2004 | Namco | sekaikh | sekaikh | |
| selfeena | Sel Feena | 1991 | East Technology | | | |
| seljan | Sel-Jan (Japan) | 1983 | Jem / Dyna Corp | | | |
| seljan2 | Return Of Sel Jan II (Japan, NM557) | 1996 | Dynax / Face | | | |
| seljan2a | Return Of Sel Jan II (Japan, NM508) | 1996 | Dynax / Face | seljan2 | seljan2 | |
| selz80 | SEL Z80 Trainer | 1985 | SEL | | | |
| semcrossw | Crosswalk traffic light controller (unknown model) | 19?? | Etra | | | |
| semibase | MuHanSeungBu (SemiCom Baseball) (Korea) | 1997 | SemiCom / DMD | | | |
| sen101 | 101 Games in 1 (Senario, NES/Famicom bootlegs) | 2009 | Senario | | | |
| senapren | The Apprentice (Senario, Plug and Play) | 2005 | Senario | | | |
| senario25 | 25 Video Games - All in 1 Video System (Senario) | 200? | Senario / JungleTac | | | |
| senbbs | Big Bonus Slots (Senario, Plug and Play) | 2005 | Senario | | | |
| sencosmo | Cosmo Girl (Senario, Plug and Play) | 2005 | Senario | | | |
| sengekis | Sengeki Striker (Asia) | 1997 | Kaneko / Warashi | skns | | |
| sengekisj | Sengeki Striker (Japan) | 1997 | Kaneko / Warashi | sengekis | sengekis | |
| sengokmj | Sengoku Mahjong (Japan) | 1991 | Sigma | | | |
| sengoku | Sengoku / Sengoku Denshou (NGM-017 ~ NGH-017) | 1991 | SNK | neogeo | | |
| sengoku2 | Sengoku 2 / Sengoku Denshou 2 | 1993 | SNK | neogeo | | |
| sengoku3 | Sengoku 3 / Sengoku Densho 2001 (set 1) | 2001 | Noise Factory / SNK | neogeo | | |
| sengoku3a | Sengoku 3 / Sengoku Densho 2001 (set 2) | 2001 | Noise Factory / SNK | sengoku3 | sengoku3 | |
| sengokuh | Sengoku / Sengoku Denshou (NGH-017, US) | 1991 | SNK | sengoku | sengoku | |
| sengomjk | Sengoku Mahjong Kurenai Otome-tai (Japan) | 1998 | Nichibutsu/Just&Just | nichidvd | | |
| senjyo | Senjyo | 1983 | Tehkan | | | |
| senknow | Sen-Know (Japan) | 1999 | Kaneko / Kouyousha | skns | | |
| senko | Senko no Ronde (Japan, Rev A) (GDL-0030A) | 2005 | G.Rev | naomigd | | |
| senkoo | Senko no Ronde (Japan) (GDL-0030) | 2005 | G.Rev | senko | senko | |
| senkosp | Senko no Ronde Special (Export, Japan) (GDL-0038) | 2006 | G.Rev | naomigd | | |
| senkyu | Senkyu (Japan, newer) | 1995 | Seibu Kaihatsu | | | |
| senkyua | Senkyu (Japan, earlier) | 1995 | Seibu Kaihatsu | senkyu | senkyu | |
| senmil | Who Wants to Be a Millionaire? (Senario, Plug and Play, US) | 2005? | Senario | | | |
| senpmate | The Perfect Mate (Senario, Plug and Play) | 2005 | Senario | | | |
| sensorboard | Sensorboard | | | | | |
| senspeed | Speed Racer (Senario) | 2008 | Senario | | | |
| senspid | The Amazing Spider-Man (Senario, floor mat) | 2007 | Senario | | | |
| senstriv | Sports Trivia Professional Edition (Senario, Plug and Play) | 2005 | Senario | | | |
| sente6vb | Bally Sente 6VB Audio Board | | | | | |
| senterp | Super Enterprise (model 210) | 1986 | CXG Systems / Newcrest Technology / LogiSoft | | | |
| senterpc | Super Enterprise (model 210.C) | 1986 | CXG Systems / Newcrest Technology / LogiSoft | senterp | senterp | |
| sentetst | Sente Diagnostic Cartridge | 1984 | Bally/Sente | | | |
| sentx6p | Vs Maxx Texas Hold'em TV Poker - 6 Player Edition (US) | 2004 | Senario | | | |
| sentx6pd | Deluxe TV Poker - Texas Hold'em, Blackjack & Video Poker (US) | 2004 | Senario | | | |
| sentx6puk | Vs Maxx Texas Hold'em TV Poker - 6 Player Edition (UK) | 2004 | Senario / Play Vision | sentx6p | sentx6p | |
| senwfit | Wireless Fitness / Dance Fit (Senario) | 2009 | Senario | | | |
| senwld | Win, Lose or Draw (Senario) | 2005 | Senario | | | |
| seoul88 | Seoul 88 Fever | 1989 | Mecca | | | |
| serad | Siemens S26361-D279 SERAD | | | | | |
| sergeysxt | Sergey's XT | 2010 | Sergey Kiselev | ibm5150 | ibm5150 | |
| serial_keyboard | Serial Keyboard | | | | | |
| serial_printer | Serial Printer | | | | | |
| serial_terminal | Serial Terminal | | | | | |
| setaroul | The Roulette (Visco) | 1989? | Visco | | | |
| setaroula | Super Ruleta 36 (Spanish hack of The Roulette) | 1989? | hack (CODERE) | setaroul | setaroul | |
| setaroulm | The Roulette (Visco, medal) | 1989? | Visco | setaroul | setaroul | |
| sevenlnd | Seven Land | 1995 | bootleg | stbsub | stbsub | |
| sevilla | Sevilla (2 jackpot points, 81%) | 1982 | Interflip | | | ifslots |
| sevillaa | Sevilla (1 jackpot point, 77%) | 1982 | Interflip | sevilla | sevilla | ifslots |
| sevillab | Sevilla (2 jackpot points, 77%) | 1982 | Interflip | sevilla | sevilla | ifslots |
| sevillac | Sevilla (4 jackpot points, 77%) | 1982 | Interflip | sevilla | sevilla | ifslots |
| sevillad | Sevilla (8 jackpot points, 77%) | 1982 | Interflip | sevilla | sevilla | ifslots |
| sexappl | Sex Appeal (Version 6.02) | 1992 | Grayhound Electronics | | | |
| sexperta | Super Expert (version A, set 1) | 1988 | Novag Industries / Intelligent Heuristic Programming | | | |
| sexperta1 | Super Expert (version A, set 2) | 1987 | Novag Industries / Intelligent Heuristic Programming | sexperta | sexperta | |
| sexperta2 | Super Expert (version A, set 3) | 1987 | Novag Industries / Intelligent Heuristic Programming | sexperta | sexperta | |
| sexpertb | Super Expert (version B) | 1988 | Novag Industries / Intelligent Heuristic Programming | sexperta | sexperta | |
| sexpertc | Super Expert (version C, v3.6) | 1990 | Novag Industries / Intelligent Heuristic Programming | sexperta | sexperta | |
| sexpertc1 | Super Expert (version C, v3.0) | 1990 | Novag Industries / Intelligent Heuristic Programming | sexperta | sexperta | |
| sexpertc2 | Super Expert (version C, v1.2) | 1990 | Novag Industries / Intelligent Heuristic Programming | sexperta | sexperta | |
| sextriv | Sex Triv | 1985 | Status Games | | | |
| sextriv1 | Sexual Trivia (Version 1.02SB, set 1) | 1985 | Kinky Kit and Game Co. | | | |
| sextriv2 | Sexual Trivia (Version 1.02SB, set 2) | 1985 | Kinky Kit and Game Co. | sextriv1 | sextriv1 | |
| sexyboom | Sexy Boom | 1992 | Sang Ho Soft | | | |
| sexygal | Sexy Gal (Japan 850501 SXG 1-00) | 1985 | Nichibutsu | | | |
| sexyparo | Sexy Parodius (ver JAA) | 1996 | Konami | konamigx | | |
| sexyparoa | Sexy Parodius (ver AAA) | 1996 | Konami | sexyparo | sexyparo | |
| sexyparoebl | Sexy Parodius (ver EAA, bootleg) | 1996 | Konami | sexyparo | sexyparo | |
| sf | Street Fighter (US, set 1) | 1987 | Capcom | | | |
| sf_l1 | Slugfest (L-1) | 1991 | Williams | | | |
| sf2 | Street Fighter II: The World Warrior (World 910522) | 1991 | Capcom | | | |
| sf2049 | San Francisco Rush 2049 | 1999 | Atari Games | | | |
| sf2049se | San Francisco Rush 2049: Special Edition | 2003 | Atari Games | | | |
| sf2049te | San Francisco Rush 2049: Tournament Edition | 2000 | Atari Games | | | |
| sf2049tea | San Francisco Rush 2049: Tournament Edition Unlocked | 2001 | Atari Games | sf2049te | sf2049te | |
| sf2acc | Street Fighter II': Champion Edition (Accelerator!, bootleg, set 1) | 1992 | bootleg | sf2ce | sf2ce | |
| sf2acca | Street Fighter II': Champion Edition (Accelerator!, bootleg, set 2) | 1992 | bootleg | sf2ce | sf2ce | |
| sf2accp2 | Street Fighter II': Champion Edition (Accelerator Pt.II, bootleg) | 1992 | bootleg (Testron) | sf2ce | sf2ce | |
| sf2amf | Street Fighter II': Champion Edition (Alpha Magic-F, bootleg) | 1992 | bootleg | sf2ce | sf2ce | |
| sf2amf2 | Street Fighter II': Champion Edition (L735 Test Rom, bootleg, set 1) | 1992 | bootleg | sf2ce | sf2ce | |
| sf2amf3 | Street Fighter II': Champion Edition (L735 Test Rom, bootleg, set 2) | 1992 | bootleg | sf2ce | sf2ce | |
| sf2b | Street Fighter II: The World Warrior (bootleg, set 1) | 1992 | bootleg (Playmark) | sf2 | sf2 | |