| Name | Description | Year | Manufacturer | Rom | Clone | Sample |
| i8742 | Intel 8742 | | | | | |
| i8742ah | Intel 8742AH | | | | | |
| i8744 | Intel 8744H RUPI-44 | | | | | |
| i8748 | Intel 8748 | | | | | |
| i8749 | Intel 8749 | | | | | |
| i8751 | Intel 8751 | | | | | |
| i8752 | Intel 8752 | | | | | |
| i87c51 | Intel 87C51 | | | | | |
| i87c51fa | Intel 87C51FA | | | | | |
| i87c52 | Intel 87C52 | | | | | |
| ibara | Ibara (2005/03/22 MASTER VER.., '06. 3. 7 ver.) | 2005 | Cave (AMI license) | | | |
| ibarablk | Ibara Kuro Black Label (2006/02/06. MASTER VER.) | 2006 | Cave (AMI license) | | | |
| ibarablka | Ibara Kuro Black Label (2006/02/06 MASTER VER.) | 2006 | Cave (AMI license) | ibarablk | ibarablk | |
| ibarao | Ibara (2005/03/22 MASTER VER..) | 2005 | Cave (AMI license) | ibara | ibara | |
| ibm_6360 | IBM 6360 8" single-sided single density floppy drive | | | | | |
| ibm_mfc | IBM PC Music Feature Card | | | | | |
| ibm_vga | IBM VGA Graphics Card | | | | | |
| ibm2011 | PS/1 2011 | 1989 | International Business Machines | ibm5170 | ibm5170 | |
| ibm2011rd | PS/1 2011 (international models with ROM DOS) | 1989 | International Business Machines | ibm5170 | ibm5170 | |
| ibm2121 | PS/1 2121 | 199? | International Business Machines | ibm5170 | ibm5170 | |
| ibm2121rd | PS/1 2121 (international models with ROM DOS) | 199? | International Business Machines | ibm5170 | ibm5170 | |
| ibm2123 | PS/1 2123 | 199? | International Business Machines | ibm5170 | ibm5170 | |
| ibm2133 | PS/1 2133 | 199? | International Business Machines | ibm5170 | ibm5170 | |
| ibm21s850 | IBM 21S850 IEEE-1394 1-Port PHY | | | | | |
| ibm21s851 | IBM 21S850 IEEE-1394 3-Port PHY | | | | | |
| ibm3153 | IBM 3153 Terminal | 1999? | IBM | | | |
| ibm3477 | InfoWindow 3477 | 1998 | IBM | | | |
| ibm5100 | IBM 5100 | 1975 | International Business Machines | | | |
| ibm5100_keyboard | IBM 5100 Keyboard | | | | | |
| ibm5110 | IBM 5110 | 1978 | International Business Machines | | | |
| ibm5110_keyboard | IBM 5110 Keyboard | | | | | |
| ibm5140 | IBM PC 5140 Convertible | 1985 | International Business Machines | ibm5150 | ibm5150 | |
| ibm5150 | IBM PC 5150 | 1981 | International Business Machines | | | |
| ibm5150_mb | IBM 5150 motherboard | | | | | |
| ibm5155 | IBM PC 5155 | 1982 | International Business Machines | ibm5150 | ibm5150 | |
| ibm5160 | IBM XT 5160 | 1982 | International Business Machines | ibm5150 | ibm5150 | |
| ibm5160_mb | IBM 5160 motherboard | | | | | |
| ibm5162 | PC/XT-286 5162 | 1985 | International Business Machines | ibm5170 | ibm5170 | |
| ibm5170 | PC/AT 5170 | 1984 | International Business Machines | | | |
| ibm5170a | PC/AT 5170 8MHz | 1985 | International Business Machines | ibm5170 | ibm5170 | |
| ibm5550 | Multistation 5550 | 1983 | International Business Machines | | | |
| ibm6580 | IBM 6580 Displaywriter | 1980 | IBM | | | |
| ibm8514a | IBM 8514/A Video | | | | | |
| ibmpcjr | IBM PC Jr | 1983 | International Business Machines | ibm5150 | ibm5150 | |
| ibmpcjx | IBM PC JX | 1985 | International Business Machines | ibm5150 | ibm5150 | |
| icanguit | I Can Play Guitar | 2007 | Fisher-Price | | | |
| icanpian | I Can Play Piano | 2006 | Fisher-Price | | | |
| icatel | TPCI (Brazilian public payphone) | 1995 | Icatel | | | |
| icb_car | Interactive Coloring Book: Disney / Pixar Cars | 200? | Techno Source | | | |
| icb_dp | Interactive Coloring Book: Disney Princess | 200? | Techno Source | | | |
| icb_ts | Interactive Coloring Book: Disney / Pixar Toy Story | 200? | Techno Source | | | |
| iccash | I C Cash (Russia) (Atronic) | 2002 | Atronic | | | |
| icd2053b | Cypress Semiconductor ICD2053B Programmable Clock Generator | | | | | |
| icd2061a | IC Designs 2061A Dual Programmable Graphics Clock Generator | | | | | |
| ice_bozo | Bozo's Pail Toss (v2.07) | 1997? | Innovative Creations in Entertainment | | | |
| ice_tbd | Turbo Drive (ICE) | 1988 | Innovative Creations in Entertainment | | | |
| icebox | ICEBOX | 19?? | Nutting Associates | | | |
| iceclimb | Vs. Ice Climber (set IC4-4 B-1) | 1984 | Nintendo | | | |
| iceclimba | Vs. Ice Climber (set IC4-4 ?) | 1984 | Nintendo | iceclimb | iceclimb | |
| iceclmrd | Vs. Ice Climber Dual (set IC4-4 A-1) | 1984 | Nintendo | | | |
| icecold | Ice Cold Beer (set 1) | 1983 | Taito | | | |
| icecoldf | Ice Cold Beer (set 2) | 1983 | Taito | icecold | icecold | |
| icecoldice | Ice Cold Beer (ICE) | 2003? | ICE | | | |
| icefever | Ice Fever | 1985 | Gottlieb | | | genpin |
| icemania | Ice Mania | 1986 | Jac Van Ham (Royal) | | | genpin |
| icescape | Icescape (V104FA) | 2006 | IGS | | | |
| ichiban | Ichi Ban Jyan (Ver 3.05) | 1993 | Excel | | | |
| ichiban235 | Ichi Ban Jyan (Ver 2.35) | 1993 | Excel | ichiban | ichiban | |
| ichir | Puzzle & Action: Ichidant-R (World) | 1994 | Sega | | | |
| ichirbl | Puzzle & Action: Ichidant-R (World) (bootleg) | 1994 | bootleg | ichir | ichir | |
| ichirj | Puzzle & Action: Ichidant-R (Japan) | 1994 | Sega | ichir | ichir | |
| ichirjbl | Puzzle & Action: Ichidant-R (Japan) (bootleg) | 1994 | bootleg | ichir | ichir | |
| ichirk | Puzzle & Action: Ichidant-R (Korea) | 1994 | Sega | ichir | ichir | |
| icldrsm40 | DRS M40 | 198? | ICL | ibm5170 | ibm5170 | |
| icm3216 | ICM-3216 | 1985 | National Semiconductor | | | |
| icm7170 | Intersil/Renesas ICM7170 Real Time Clock | | | | | |
| icp_etg | ICP EX-Turbo-GT poker | 198? | <unknown> | | | |
| icpf40_01 | ICP F40 poker (137fv_10yen_f40) | 198? | <unknown> | unkicpf40 | unkicpf40 | |
| icpf40_02 | ICP F40 poker (jap_9a) | 198? | <unknown> | unkicpf40 | unkicpf40 | |
| icpf40_03 | ICP F40 poker (100yen) | 198? | <unknown> | unkicpf40 | unkicpf40 | |
| icpf80_01 | ICP F80 poker (137_50_100) | 198? | <unknown> | unkicpf80 | unkicpf80 | |
| icpf80_02 | ICP F80 poker (137_9.bin) | 198? | <unknown> | unkicpf80 | unkicpf80 | |
| icpf80_03 | ICP F80 poker (137_9_0jap) | 198? | <unknown> | unkicpf80 | unkicpf80 | |
| icpf80_04 | ICP F80 poker (137_9_10bet) | 198? | <unknown> | unkicpf80 | unkicpf80 | |
| icpf80_05 | ICP F80 poker (137_9_50) | 198? | <unknown> | unkicpf80 | unkicpf80 | |
| icpf80_06 | ICP F80 poker (137_9_60) | 198? | <unknown> | unkicpf80 | unkicpf80 | |
| icpf80_07 | ICP F80 poker (137_9_70) | 198? | <unknown> | unkicpf80 | unkicpf80 | |
| icpf80_08 | ICP F80 poker (137_9_90) | 198? | <unknown> | unkicpf80 | unkicpf80 | |
| icpf80_09 | ICP F80 poker (137_9_jap) | 198? | <unknown> | unkicpf80 | unkicpf80 | |
| icpf80_10 | ICP F80 poker (137_9_redsquare) | 198? | <unknown> | unkicpf80 | unkicpf80 | |
| icpf80_11 | ICP F80 poker (137_number7) | 198? | <unknown> | unkicpf80 | unkicpf80 | |
| icpf80_12 | ICP F80 poker (9_jap) | 198? | <unknown> | unkicpf80 | unkicpf80 | |
| icpf80_13 | ICP F80 poker (9_reddot) | 198? | <unknown> | unkicpf80 | unkicpf80 | |
| icpf80_14 | ICP F80 poker (abg) | 198? | <unknown> | unkicpf80 | unkicpf80 | |
| icpf80_15 | ICP F80 poker (af_80_newer) | 198? | <unknown> | unkicpf80 | unkicpf80 | |
| icpf80_16 | ICP F80 poker (af_80_older) | 198? | <unknown> | unkicpf80 | unkicpf80 | |
| icpf80_17 | ICP F80 poker (jap_9) | 198? | <unknown> | unkicpf80 | unkicpf80 | |
| icpf80_18 | ICP F80 poker (jap_9_jap) | 198? | <unknown> | unkicpf80 | unkicpf80 | |
| icpf80_19 | ICP F80 poker (redx_9_40_45_50_60) | 198? | <unknown> | unkicpf80 | unkicpf80 | |
| icpf80_20 | ICP F80 poker (redx_9_7) | 198? | <unknown> | unkicpf80 | unkicpf80 | |
| icpf80_21 | ICP F80 poker (blue-green-red dots) | 198? | <unknown> | unkicpf80 | unkicpf80 | |
| icproul | Roulette (ICP-1 PCB) | 198? | <unknown> | | | |
| ics2115 | ICS2115 WaveFront Synthesizer | | | | | |
| ics8080 | ICS8080 | 19?? | <unknown> | tk80 | tk80 | |
| id245p01 | Sharp ID245P01 32MB Linear Flash Memory Card | | | | | |
| id4 | Independence Day (CPU 2.02, display A2.00) | 1996 | Sega | | | genpin |
| id4_201 | Independence Day (CPU 2.01, display A2.00) | 1996 | Sega | id4 | id4 | genpin |
| id4f | Independence Day (CPU 2.02, display F2.00, France) | 1996 | Sega | id4 | id4 | genpin |
| id4f_201 | Independence Day (CPU 2.01, display F2.00, France) | 1996 | Sega | id4 | id4 | genpin |
| ide_baseboard | IDE Baseboard | | | | | |
| ide_gdrom | ide gdrom controller | | | | | |
| ide_pci | PCI IDE interface | | | | | |
| idectrl | IDE Controller (16-bit) | | | | | |
| idectrl32 | IDE Controller (32-bit) | | | | | |
| idectrl32bm | Bus Master IDE Controller | | | | | |
| idehd | IDE Hard Disk | | | | | |
| idhimitu | Idol no Himitsu (Japan 890304) | 1989 | Digital Soft | | | |
| idolmj | Idol-Mahjong Housoukyoku (Japan) | 1988 | System Service | | | |
| idpart_video | Iskra Delta Partner Video (Text) Board | | | | | |
| idpartner_bus_connector | Iskra Delta Partner Bus Connector | | | | | |
| idpartner_bus_device | Iskra Delta Partner Bus | | | | | |
| idpartner_floppy_daisy | Iskra Delta Partner floppy daisy chain device | | | | | |
| idsoccer | Indoor Soccer (set 1) | 1985 | Universal | | | |
| idsoccera | Indoor Soccer (set 2) | 1985 | Universal | idsoccer | idsoccer | |
| idsoccert | Indoor Soccer (Tecfri) | 1985 | Universal (Tecfri license) | idsoccer | idsoccer | |
| idt7130 | IDT 7130 8-bit Dual-Port SRAM with Interrupts | | | | | |
| idt71321 | IDT 71321 8-bit Dual-Port SRAM with Interrupts | | | | | |
| idt7200 | IDT7200 FIFO (256x9) | | | | | |
| idt7201 | IDT7201 FIFO (512x9) | | | | | |
| idt7202 | IDT7202 FIFO (1024x9) | | | | | |
| ie15 | 15IE-00-013 | 1980 | USSR | | | |
| ie15_cpu | ie15 CPU | | | | | |
| ie15_device | IE15 | | | | | |
| ie15_terminal | IE15 Terminal | | | | | |
| ie15kbd | 15WWW-97-006 Keyboard | | | | | |
| ieee488 | IEEE-488 bus | | | | | |
| ieee488_slot | IEEE-488 slot | | | | | |
| iemoto | Iemoto (Japan 871020) | 1987 | Nichibutsu | | | |
| iemotom | Iemoto (Japan 871118, medal) | 1987 | Nichibutsu | iemoto | iemoto | |
| iez80 | Z80 SBC (prototype?) | 1983 | Insight Enterprises | | | |
| if800 | if800 model 60 | 1985 | Oki Electric | | | |
| iganinju | Iga Ninjyutsuden (Japan) | 1988 | Jaleco | kazan | kazan | |
| iganinjub | Iga Ninjyutsuden (Japan, bootleg) | 1988 | bootleg | kazan | kazan | |
| igmo | IGMO | 1984 | Epos Corporation | | | |
| igor | Igor (Excalibur) | 1997 | Excalibur Electronics | | | |
| igromula | Igrosoft Multigame Bootleg (15 Games) | 2003 | bootleg | igromult | igromult | |
| igromult | Igrosoft Multigame Bootleg (10 Games) | 2003 | bootleg | | | |
| igs_bitswap | IGS Bitswap Protection | | | | | |
| igs_inc | IGS Inc Protection | | | | | |
| igs_incdec | IGS Inc/Dec Protection | | | | | |
| igs_mux | IGS I/O Multiplexer | | | | | |
| igs_ncs | New Champion Skill (v100n) | 198? | IGS | | | |
| igs_ncs2 | New Champion Skill (v100n 2000) | 2000 | IGS | | | |
| igs_string | IGS String Protection | | | | | |
| igs_xa_ics_sound | IGS MX10EXAQC-based ICS2115 sound system | | | | | |
| igs_xa_subcpu | IGS MX10EXAQC sub-CPU | | | | | |
| igs017_031 | IGS017_IGS031 | | | | | |
| igs022 | IGS022 encrypted DMA device | | | | | |
| igs023 | IGS023 Video System | | | | | |
| igs025 | IGS025 | | | | | |
| igs027a | IGS 027A ARM CPU (little) | | | | | |
| igs028 | IGS028 | | | | | |
| igs036 | IGS036 | | | | | |
| igsm312 | unknown 'IGS 6POKER2' game (V312CN) | 200? | IGS | | | |
| igstet341 | Tetris (v341R) | 199? | IGS | pktet346 | pktet346 | |
| igstet342 | Tetris (v342R) | 199? | IGS | pktet346 | pktet346 | |
| igtmg133 | Multi Game (IGT, M0000133) | 1997 | IGT | | | |
| igtmg156 | Multi Game (IGT, M0000156) | 1997 | IGT | | | |
| igtmg159 | Multi Game (IGT, M0000159) | 1997 | IGT | | | |
| igtmg164 | Multi Game (IGT, M0000164) | 1997 | IGT | | | |
| igtmg166 | Multi Game (IGT, M0000166) | 1997 | IGT | | | |
| igtmg214 | Multi Game (IGT, M0000214) | 1998 | IGT | | | |
| igtmg247 | Multi Game (IGT, M0000247) | 1999 | IGT | | | |
| igtmg394 | Multi Game (IGT, M0000394) | 2000 | IGT | | | |
| igtmg535 | Multi Game (IGT, M0000535) | 2001 | IGT | | | |
| igtsc | Super Cherry | 2003 | IGT | | | |
| igtvp | Vision printer | 2001 | IGT | | | |
| ii32in1 | InterAct 32-in-1 | 200? | Intec | | | |
| ii8in1 | InterAct 8-in-1 | 200? | Intec | | | |
| ij_l3 | Indiana Jones (L-3) | 1993 | Williams | ij_l7 | ij_l7 | |
| ij_l4 | Indiana Jones (L-4) | 1993 | Williams | ij_l7 | ij_l7 | |
| ij_l5 | Indiana Jones (L-5) | 1993 | Williams | ij_l7 | ij_l7 | |
| ij_l6 | Indiana Jones (L-6) | 1993 | Williams | ij_l7 | ij_l7 | |
| ij_l7 | Indiana Jones (L-7) | 1993 | Williams | | | |
| ij_lg7 | Indiana Jones (LG-7) | 1993 | Williams | ij_l7 | ij_l7 | |
| ikari | Ikari Warriors (US JAMMA) | 1986 | SNK | | | |
| ikari3 | Ikari III - The Rescue (World version 1, 8-Way Joystick) | 1989 | SNK | | | |
| ikari3j | Ikari Three (Japan, Rotary Joystick) | 1989 | SNK | ikari3 | ikari3 | |
| ikari3k | Ikari Three (Korea, 8-Way Joystick) | 1989 | SNK | ikari3 | ikari3 | |
| ikari3u | Ikari III - The Rescue (US, Rotary Joystick) | 1989 | SNK | ikari3 | ikari3 | |
| ikari3w | Ikari III - The Rescue (World, Rotary Joystick) | 1989 | SNK | ikari3 | ikari3 | |
| ikaria | Ikari Warriors (US, set 1) | 1986 | SNK | ikari | ikari | |
| ikaria2 | Ikari Warriors (US, set 2) | 1986 | SNK | ikari | ikari | |
| ikarijp | Ikari (Japan No Continues) | 1986 | SNK | ikari | ikari | |
| ikarijpb | Ikari (Joystick hack bootleg) | 1986 | bootleg | ikari | ikari | |
| ikarinc | Ikari Warriors (US No Continues) | 1986 | SNK | ikari | ikari | |
| ikariram | Rambo 3 (bootleg of Ikari, Joystick hack) | 1986 | bootleg | ikari | ikari | |
| ikaruga | Ikaruga (GDL-0010) | 2001 | Treasure | naomigd | | |
| ikki | Ikki (Japan) | 1985 | Sun Electronics | | | |
| ikt5a | IKT-5A | 1993 | Creator / Fura Elektronik | | | |
| illvelo | Illvelo (Illmatic Envelope) (Japan) | 2008 | Milestone | naomi | | |
| ilm396b | M-396B | 199? | ILON USA, INC. | ibm5170 | ibm5170 | |
| ilpag | Il Pagliaccio (Italy, Ver. 2.7C) | 199? | <unknown> | | | |
| im01 | Elektronika IM-01 | 1986 | Svetlana | | | |
| im01t | Elektronika IM-01T | 1991 | Svetlana | im01 | im01 | |
| im05 | Elektronika IM-05 | 1993 | Svetlana | | | |
| im1p1952 | Imperial (1P1952IZ) Blue Moon | 1995 | IGT - International Game Technology | | | |
| im1p19s1 | Imperial (1P19S1IZ) Sheer Magic | 1995 | IGT - International Game Technology | | | |
| im2_100 | Iron Man 2 v1.00 | 2010 | Stern | im2_140 | im2_140 | |
| im2_110 | Iron Man 2 v1.10 | 2010 | Stern | im2_140 | im2_140 | |
| im2_120 | Iron Man 2 v1.20 | 2010 | Stern | im2_140 | im2_140 | |
| im2_140 | Iron Man 2 v1.40 | 2010 | Stern | | | |
| im2p1929 | Imperial (2P1929IZ) Castaway Stampede | 1995 | IGT - International Game Technology | | | |
| im3p1940 | Imperial (3P1940IZ) Cashline D Bucks | 1995 | IGT - International Game Technology | | | |
| im6402 | Intersil IM6402 UART | | | | | |
| imac | iMac (Bondi blue) | 1998 | Apple Computer | | | |
| imago | Imago (cocktail set) | 1984 | Acom | | | |
| imagoa | Imago (no cocktail set) | 1983 | Acom | imago | imago | |
| imds2 | Intellec MDS-II | 1979 | Intel | | | |
| imds2ioc | Intellec Series II Input/Output Controller | | | | | |
| imekura | Imekura Mahjong (Japan) | 1994 | Sphinx / AV Japan | | | |
| imgame | I'm Game! GP120 (Family Sport 120-in-1) | 2012 | I'm Game / Senca | | | |
| imgfight | Image Fight (World) | 1988 | Irem | | | |
| imgfightj | Image Fight (Japan) | 1988 | Irem | imgfight | imgfight | |
| imgfightjb | Image Fight (Japan, bootleg) | 1988 | Irem | imgfight | imgfight | |
| imi5000h | IMI 5000H | | | | | |
| imi7000 | IMI7000 bus | | | | | |
| imi7000_slot | IMI7000 slot | | | | | |
| imm6_76 | Intel imm6-76 PROM programmer | | | | | |
| imolagp | Imola Grand Prix (set 1) | 1983? | RB Bologna | | | |
| imolagpo | Imola Grand Prix (set 2) | 1983? | RB Bologna | imolagp | imolagp | |
| impuls03 | Impuls-03 | 1986 | <unknown> | radio86 | radio86 | |
| imsai | MPU-B | 1978 | Imsai | | | |
| imsorry | I'm Sorry (315-5110, US) | 1985 | Coreland / Sega | | | |
| imsorryj | Gonbee no I'm Sorry (315-5110, Japan) | 1985 | Coreland / Sega | imsorry | imsorry | |
| in207100 | Informer 207/100 | 1983 | Informer Computer Terminals | | | |
| in207100kbd | Informer 207/100 Keyboard | | | | | |
| in207376 | Informer 207/376 | 1986 | Informer Computer Terminals | | | |
| in207376kbd_hle | Informer 207/376 Keyboard (HLE) | | | | | |
| in213 | Informer 213 | 1990 | Informer Computer Terminals | | | |
| in213ae | Informer 213 AE | 1992 | Informer Computer Terminals | | | |
| in213kbd | Informer 213 Keyboard | | | | | |
| inca | Inca | 199? | <unknown> | | | |
| incachf | Inca Chief (20190711, NSW/ACT) | 2005 | Aristocrat | aristmk6 | | |
| incanp | Incan Pyramid (Konami Endeavour, Russia) | 200? | Konami | konendev | | |
| incanpq | Incan Pyramid (Konami Endeavour, Queensland) | 200? | Konami | incanp | incanp | |
| incasun | Inca Sun (0100872V, NSW/ACT) | 1999 | Aristocrat | aristmk5 | | |
| incasunnz | Inca Sun (0101108V, New Zealand) | 2000 | Aristocrat | incasun | incasun | |
| incasunsp | Inca Sun (0100872V, NSW/ACT, Show Program) | 1999 | Aristocrat | incasun | incasun | |
| incasunu | Inca Sun (DHG1577, US) | 2000 | Aristocrat | incasun | incasun | |