The size of the machine's firmware in kilobytes (1 kbyte = 1024 bytes).
ROM Size
References are sorted by feature and release year. If the release year is unknown, this is mentioned and entries are left at the end of the feature section.
0.25 kbytes
Apple I (1976)
0.5 kbytes
Sinclair MK14 (1978)
Sord M23 Mark II (1980)
1 kbytes
Tangerine Microtan-65 (1979)
2 kbytes
MOS Technologies KIM-1 (1975)
Processor Technology Sol-20 (1976)
RCA Cosmac ELF (1976)
Terak 8510/a (1978)
Lynx Electronics Nascom 1 (1979)
Tangerine Microtan-65 (1979)
Kontron PSI80 (1980)
Micronique Hector Lambda (1981)
HBN Computer Guepard (1982)
Epson QX-10 (1983)
Video Technology CreatiVision (1983)
4 kbytes
Tandy Radio Shack TRS-80 (1977)
Exidy Sorcerer (1978)
Sinclair ZX-80 (1980)
Altos 580-2 (1981)
Gespac Gescomp 722 (1981)
Osborne 1 (1981)
Non Linear Systems Kaypro 10 (1982)
Thomson TO7 (1982)
MBC Alcyane A6E (1983)
Micronique Hector Lambda II (1983)
Corvus Systems Corvus Concept (1984)
Apollo 7 Squale (1985)
Thomson TO8 (1985)
Thomson TO8D (1986)
AI Electronics ABC24 (release year unknown)
AI Electronics ABC26 (release year unknown)
8 kbytes
Processor Technology Sol-20 (1976)
Apple II (1977)
Acorn Atom (1979)
ISC 525A (1979)
Compshop Micro Ace (1980)
Digital Research Computers Big Board (1980)
Tandy Radio Shack TRS-80 Color Computer (1980)
Sinclair ZX-81 (1981)
Canon AS-100 (1982)
Franklin ACE 1000 (1982)
Franklin ACE 1200 (1982)
Lambda Electronics Limited Lambda 8300 (1982)
Sord M5 (1982)
Tandy Radio Shack MC-10 (1982)
Atari 2600 (1983)
Aval AVC777 (1983)
Jupiter Cantab Jupiter Ace (1983)
Matra Alice (1983)
Olivetti M24 (1983)
Tandy Radio Shack TRS-80 Color Computer 2 (1983)
Matra Alice 90 (1985)
Video Technology Laser 16 (1985)
Bit BIT 60 (release year unknown)
10 kbytes
Atari 400 (1979)
Atari 800 (1979)
Microdigital TK85 (1981)
Atari 1450XLD (1983)
Mattel Electronics Aquarius (1983)
12 kbytes
Tandy Radio Shack TRS-80 (1977)
Acorn Atom (1979)
Basis 108 (1983)
CES Athena (1983)
EACA Video Genie III (1983)
Basis Junior (1984)
14 kbytes
Commodore PET 2001 16B (1977)
Commodore PET 2001 16N (1977)
Commodore PET 2001 32B (1977)
Commodore PET 2001 32N (1977)
Commodore PET 2001 8B (1977)
Commodore PET 2001 8N (1977)
Commodore PET 2001 (1977)
Commodore 3008 (1978)
Commodore 3016 (1978)
Commodore 3032 (1978)
Commodore 4008 B (1978)
Commodore 4008 N (1978)
Commodore 4016 B (1978)
Commodore 4016 N (1978)
Commodore 4032 B (1978)
Commodore 4032 N (1978)
Tandy Radio Shack TRS-80 Model III (1980)
EACA Video Genie I (1981)
Tandy Radio Shack TRS-80 Model 4P (1983)
Tandy Radio Shack TRS-80 Model IV (1983)
16 kbytes
Luxor ABC-80 (1978)
Apple II Plus (1979)
B&H II Plus (1979)
Kontron PSI80 (1980)
Tandy Radio Shack TRS-80 Color Computer (1980)
Apple III (1981)
Canon TX 25 (1981)
Commodore VIC-20 (1981)
Goupil 2 (1981)
Apple IIe (1982)
Atari 1200XL (1982)
Dick Smith Electronics VZ-200 (1982)
Dragon Data Dragon 32 (1982)
Hitachi 16000 (1982)
Oric-1 (1982)
Sinclair ZX-Spectrum (1982)
Video Technology Laser 110 (1982)
Video Technology Laser 200 (1982)
Camputers Lynx 128 (1983)
Camputers Lynx 48 (1983)
Camputers Lynx 96 (1983)
EACA Color Genie (1983)
Micronique Hector HRX (1983)
Panasonic JR200 (1983)
Tandy Radio Shack TRS-80 Color Computer 2 (1983)
Video Technology Laser 210 (1983)
Apple IIc (1984)
Dragon Data Dragon 64 (1984)
Kyocera YC-100 (1984)
Oric Atmos (1984)
Sinclair ZX-Spectrum Plus (1984)
Thomson MO5E (1984)
Thomson MO5NR (1984)
Thomson MO5 (1984)
Video Technology Laser 2001 (1984)
Video Technology Laser 310 (1984)
Dick Smith Electronics VZ-300 (1985)
Thomson MO6 (1985)
Microdigital TK90X (1986)
Oric Telestrat (1986)
Apple IIe Plus (1987)
Amstrad PC20 (1988)
Apple IIc Plus (1988)
Sinclair PC200 (1988)
18 kbytes
Commodore 8008 (1980)
Commodore 8016 (1980)
Commodore 8032 SK (1980)
Commodore 8032 (1980)
Commodore 8096 D (1980)
Commodore 8096 SK (1980)
Commodore 8096 (1980)
Philips VG-5000 (1983)
Commodore 8296 D (1984)
Commodore 8296 (1984)
Philips G7400 (1984)
20 kbytes
Commodore 64 (1982)
Canon X-07 (1983)
Commodore DX-64 (1983)
Commodore SX-64 (1983)
Hanimex Pencil II (1985)
Hanimex Pencil (1985)
22 kbytes
Thomson TO7-70 (1984)
24 kbytes
Sord M5 (1982)
Atari 600XL (1983)
Atari 800XL (1983)
Commodore 610 (1983)
Commodore 710 (1983)
Commodore 720 (1983)
Commodore 730 (1983)
DAI DAI (1983)
Memotech MTX-500 (1983)
Memotech MTX-512 (1983)
NEC PC 8000 (1983)
Atari 65XE (1984)
Bit BIT 90 (1984)
Memotech RS-128 (1984)
Plantron PT-80 (1984)
Atari 130XE (1985)
Atari 65XEM (1985)
Atari 800XE (1985)
Panasonic CF2700 (1985)
26 kbytes
Texas Instruments TI-99/4A (1981)
28 kbytes
Grundy Business Systems Newbrain (1983)
31 kbytes
Hewlett-Packard HP-9830A (1972)
Texas Instruments TI-99/4 (1979)
32 kbytes
ISC 8001 CRT (1977)
Luxor ABC-800 (1980)
Luxor ABC-802 (1980)
Acorn BBC Model A (1981)
Acorn BBC Model B (1981)
Casio FP-1000 (1982)
Casio FP-1100 (1982)
Epson HX-20 (1982)
ITT 3030 (1982)
Acorn Electron (1983)
Canon V-20 (1983)
Casio FP-200 (1983)
Casio MX-10 (1983)
Casio PV-7 (1983)
Daewoo DPH-64 (1983)
Daewoo IQ-1000 (1983)
Daewoo MX64 (1983)
Data General DG/One (1983)
Epson PX-8 (1983)
Fujitzu Micro 7 (1983)
Goldstar FC-100 (1983)
Goldstar FC-200 (1983)
Gradiente Expert 1.0 (1983)
Gradiente Expert 1.1 (1983)
Gradiente Expert DD Plus (1983)
Hitachi MB-H1 (1983)
Hitachi MB-H80 (1983)
Husky Computers Hunter (1983)
JVC HC-7E (1983)
Kyocera YC-64 (1983)
Luxor ABC-806 (1983)
Mitsubishi ML8000 (1983)
Mitsubishi MLFX1 (1983)
Mitsubishi MLFX2 (1983)
NEC 6000 (1983)
NEC PC-8201A (1983)
Olivetti M10 (1983)
Panasonic CF2000 (1983)
Pioneer PX-7 (1983)
Tandy Radio Shack TRS-80 Model 100 (1983)
Texas Instruments TI-99/2 (1983)
ACT Apricot F1 (1984)
ACT Apricot PC (1984)
ACT Apricot Portable (1984)
Amstrad CPC-464 (1984)
Ce-Tec MSX (1984)
Commodore 16 (1984)
Dick Smith Electronics CAT (1984)
Hitachi H80 (1984)
Hitachi MB-H2 (1984)
JVC HC-7GB (1984)
Mitsubishi MLF80 (1984)
Panasonic CF3000 (1984)
Philips VG-8000 (1984)
Philips VG-8010 (1984)
Philips VG-8020 (1984)
Spectravideo SVI-318 (1984)
Spectravideo SVI-328 (1984)
Video Technology Laser 3000 (1984)
ACT Apricot F10 (1985)
ACT Apricot F2 (1985)
Acorn BBC Model B Plus (1985)
Amstrad CPC-6128 (1985)
Amstrad CPC-664 (1985)
Ce-Tec MPC-80 (1985)
Daewoo DPC-200 (1985)
Fujitzu FM-7 (1985)
JVC HC-5 (1985)
National CF2000 (1985)
Sinclair ZX-Spectrum 128k (1985)
Spectravideo SVI-728 (1985)
Video Technology Laser 350 (1985)
Video Technology Laser 500 (1985)
Casio PB-1000 (1986)
Sinclair ZX-Spectrum Plus 2 (1986)
Sinclair ZX-Spectrum Plus 3 (1986)
Tandy Radio Shack TRS-80 Color Computer 3 (1986)
Video Technology Laser 128 EX (1986)
Video Technology Laser 128 (1986)
Sinclair ZX-Spectrum Plus 2A (1987)
Commodore 116 (release year unknown)
Commodore 232 (release year unknown)
Commodore 264 (release year unknown)
MGT SAM Coupé (release year unknown)
34 kbytes
Texas Instruments CC-40 (1985)
Atari XE System (1987)
38 kbytes
ExelVision EXL 100 (1984)
40 kbytes
IBM PC (1981)
44 kbytes
Commodore 128D (1985)
Commodore 128 (1985)
48 kbytes
Hewlett-Packard HP-86 (1979)
Multitech Microprofessor MPF I-88 (1984)
Sinclair QL (1984)
Canon V-25 (1985)
Daewoo CPC300 (1985)
Daewoo CPC400S (1985)
Daewoo CPC400 (1985)
Enterprise Computers Enterprise 128 (1985)
Enterprise Computers Enterprise 64 (1985)
JVC HC-9S (1985)
Mitsubishi MLG1 (1985)
Mitsubishi MLG3 (1985)
National FS-5500F1 (1985)
National FS-5500F2 (1985)
Panasonic FSA1WX (1985)
Philips NMS8245 (1985)
Philips NMS8250 (1985)
Philips NMS8255 (1985)
Philips NMS8280 (1985)
Philips VG-8220 (1985)
Philips VG-8230 (1985)
Philips VG-8235 (1985)
Philips VG-8240 (1985)
56 kbytes
Spectravideo SVI-738 (1986)
64 kbytes
KWS SAM68k (1982)
IBM PCjr (1983)
NEC PC-8201A (1983)
Olivetti M10 (1983)
Tandy Radio Shack TRS-80 Model 100 (1983)
Apple Macintosh 512K (1984)
Apple Macintosh (1984)
Commodore Plus/4 (1984)
Sord IS11 (1984)
Micronique Hector MX (1985)
Apple Macintosh 512K E (1986)
Apple Macintosh Plus (1986)
KWS EB 68/20 System 1 (1986)
DEC PDP-11/93 (1990)
DEC PDP-11/94 (1990)
72 kbytes
Tandy Radio Shack TRS-80 Model 200 (1985)
80 kbytes
Thomson TO9 Plus (1986)
96 kbytes
Commodore LCD (1985)
Epson PX-4 (1985)
Commodore 364 (release year unknown)
104 kbytes
Tandy Radio Shack TRS-80 Model 200 (1985)
128 kbytes
Ampere WS 1 (1985)
NEC PC-8300 (1985)
Acorn BBC Master 128 (1986)
Apple IIgs (1986)
KWS SAM-II/68k (1986)
Cambridge Computers Z88 (1988)
NeXT Cube (1988)
Commodore 65 (1994)
136 kbytes
Thomson TO9 (1986)
192 kbytes
Atari 130ST (1984)
Atari 260ST (1985)
Atari 520STFM (1985)
Atari 520STF (1985)
Atari 520ST (1985)
Philips Yes (1985)
Atari 1040STFM (1986)
Atari 1040STF (1986)
Atari STacy (1990)
256 kbytes
Commodore Amiga 1000 (1985)
Hewlett-Packard Integral PC (1985)
Commodore Amiga 500 (1987)
Atari Portfolio (1989)
Atari 1040STE (1990)
Atari 520STE (1990)
Atari STPad (1991)
288 kbytes
IBM 5100 (1975)
512 kbytes
Apple Lisa 2 (1983)
Apple Lisa (1983)
Acorn A305 (1989)
Acorn A310 (1989)
Acorn A410 (1989)
Acorn A440 (1989)
Acorn A540 (1990)
Atari TT030 (1990)
Commodore Amiga 3000 (1990)
Atari ST Book (1991)
1024 kbytes
Acorn R260 (1991)
2048 kbytes
Acorn A5000 (1991)
3072 kbytes
Hewlett-Packard HP-110 (1984)
- Code: Select all
http://web.archive.org/web/20010716195433/http://www.tardis.ed.ac.uk/~alexios/MACHINE-ROOM/xref-rom.html