FACOM ("Fujitsu Automatic COMputer") is a

trademark A trademark (also written trade mark or trade-mark) is a type of intellectual property consisting of a recognizable sign, design, or expression that identifies products or services from a particular source and distinguishes them from others ...

used for

Fujitsu is a Japanese multinational information and communications technology equipment and services corporation, established in 1935 and headquartered in Tokyo. Fujitsu is the world's sixth-largest IT services provider by annual revenue, and the la ...

's computers. The first product is FACOM 100, built in 1954. In May 1990, the brand name of FACOM was abolished and changed to

. FACOM numbering roughly follows the following scheme, but the numbering of some early relay computers is irregular: * 100s: relay computers * 200/210:

parametron Parametron is a logic circuit element invented by Eiichi Goto in 1954.Information Processing Society of Japan Parametron/ref> The parametron is essentially a resonant circuit with a nonlinear reactive element which oscillates at half the driving ...

computers * 220 and above: electronic computers (transistors, integrated circuits)

Products

Relay computers

Relay computers or electromechanical computers include: *

FACOM 100 The FACOM 100 was an early electromechanical computer built by Fujitsu in 1954 which used binary-coded decimal arithmetic. The design of the later FACOM 128 was influenced by experience gained from building the FACOM 100. References See al ...

, electromechanical computer built by Fujitsu in 1954 *

FACOM 128 The FACOM 128 was a relay-based electromechanical computer built by Fujitsu. Two models were made, namely the FACOM 128A, built in 1956, and the FACOM 128B, built in 1959. , a fully working FACOM 128B is still in working order, maintained by Fujit ...

, relay-based electromechanical computer built by Fujitsu in the late 1950s *FACOM 138A Irregularly numbered relay computers include: FACOM 318A, FACOM 415A, FACOM 416A, FACOM 426A, FACOM 426B,FACOM 514A,FACOM 524A

Parametron computers

*FACOM 200 *FACOM 201 *FACOM 202 *FACOM 212 shipped in 1959 Information Processing Society of Japan (IPSJ)
"(Fujitsu) FACOM 200, 201, 202, 212 Parametron Computers"

Transistor computers

*Early transistor computers: **FACOM 222 **FACOM 231 *FACOM 230 series: ** FACOM 230 / FACOM 230-30 ** FONTAC / FACOM 230-50 ** FACOM 230-10 ** FACOM 230-60 (1968) ** FACOM 230-5 series *** FACOM 230-25, FACOM 230-35, FACOM 230-45 (1968) *** FACOM 230-45S, FACOM 230-55 (1974) *** FACOM 230-75 *** FACOM 230-75 APU (1977) - A computer for scientific and technological calculations with enhanced computing power by adding a pipeline system "array processor" (

vector processor In computing, a vector processor or array processor is a central processing unit (CPU) that implements an instruction set where its instructions are designed to operate efficiently and effectively on large one-dimensional arrays of data calle ...

) to FACOM 230-75. FACOM 230-75 APU achieved 22M FLOPS. It was delivered to the National Aerospace Laboratory of Japan (

JAXA The is the Japanese national air and space agency. Through the merger of three previously independent organizations, JAXA was formed on 1 October 2003. JAXA is responsible for research, technology development and launch of satellites into orb ...

). It's only one year behind the Cray-1. This machine will lead to the later VP series. *FACOM 270 series: *FACOM M series: IBM System/360, System/370 compatible **FACOM M-190 (1974): This is a super-large machine that uses LSI, and has two to three times the performance of IBM System/370. The fastest computer in the world at this time. **FACOM M-200 (1978): The fastest computer in the world at this time. **FACOM M-130F, M-140F, M-150F, M-160F, M-170F (1979): Supports

Japanese Japanese may refer to: * Something from or related to Japan, an island country in East Asia * Japanese language, spoken mainly in Japan * Japanese people, the ethnic group that identifies with Japan through ancestry or culture ** Japanese diaspor ...

language. Includes software supporting Japanese, a device for inputting Japanese, and a

Kanji are the logographic Chinese characters taken from the Chinese family of scripts, Chinese script and used in the writing of Japanese language, Japanese. They were made a major part of the Japanese writing system during the time of Old Japanese ...

dot impact printer. **FACOM M-380, M-382 (1981): Supports 31-bit address space (2GB). A super-large machine that uses ECL / TTL LSI. **FACOM M-780 (1985): A super-large machine that uses an ECL LSI with 10,000 gates / chip. Maximum physical memory 256 Mbytes, maximum 64 channels. Water cooling.

FACOM VP series (supercomputers)

Supercomputers include: *FACOM VP-100, VP-200 (1982): VP-200 achieved up to 500 MFLOPS *FACOM VP-400 (1985): Beyond 1 GFLOPS for the first time in the world *FACOM VP2000 family (1988): The VP2600 measured processing performance exceeding 5GFLOPS and set a world record in 1990.

FACOM A series (superminicomputers)

Superminicomputer A superminicomputer, colloquially supermini, is a high-end minicomputer. The term is used to distinguish the emerging 32-bit architecture midrange computers introduced in the mid to late 1970s from the classical 16-bit systems that preceded them. ...

s include: *A-30, A-50, A-70 *A-300, A-400, A-500, A-600

FACOM V series

Office computers.

FACOM K series

Office computers.

FACOM G series

Workstation A workstation is a special computer designed for technical or scientific applications. Intended primarily to be used by a single user, they are commonly connected to a local area network and run multi-user operating systems. The term ''workstat ...

s include: *FACOM G-140, G-150, G-150A (1987) *FACOM G-250, G-250C (1988)

Personal computer

Personal computers include: *

FACOM 9450 is a Japanese information technology company. The company was formed by the merger of Panafacom and USAC Electronic Industrial in 1987. As of 2019, PFU focuses on computing and IT consulting. Its product line includes image scanners, embedded c ...

(1981): Fujitsu's branding for the Panafacom C-180

References

{{Reflist Trademarks