Hardware

Ishii Yoshiteru, Saito Masato, and others were the primary developers of the NEAC-2202, an online, real-time computer intended to mechanize Yamaichi Securities’ processing of buy and sell chits.…

In April 1961, NEC announced the NEAC-2205 transistor-based computer. This machine was built based on the technology of the NEAC-2203, and was designed for greater compactness and lower cost. More…

In April 1963, NEC announced the NEAC-2400, 3400, 2800 and 3800, which were developed by introducing technology from Honeywell (USA). NEC concluded a licensing agreement with Honeywell in July…

In 1965, NEC completed the NEAC-32 high-capacity magnetic disk memory unit for the FONTAC computer of the Japan Electronic Computer Technology Research Consortium.

An NEC research laboratory in 1961 set out the development concept for the NEAC-L2, an ultra-high-speed, large-scale computer that was the focus of a multiyear base research project. Development…

In September 1958, NEC equipped its NEAC-2201 and other machines with a paper tape punch typewriter.
NEC's first electronic computer, the NEAC-1101, originally used input/output devices which…

The S200 was developed to have the optimal architecture for a small computer, and to employ common hardware technology with the higher-end System S300, S400 and S500. Firmware technology was…

The architecture of the S300, S400 and S500 was based on previously existing architectures (including that of the S200), with novel extensions. The features of the architecture were as follows: (1…

The architecture of the S300, S400 and S500 was based on previously existing architectures (including that of the S200), with novel extensions. The features of the architecture were as follows: (1…

The architecture of the S300, S400 and S500 was based on previously existing architectures (including that of the S200), with novel extensions. The features of the architecture were as follows: (1…

These were announced in 1974 as the first large machines in the ACOS Series 77. Their product names were "ACOS Series 77, System 600 and 700", but they were known as the ACOS 600 and 700.

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The System 600S (ACOS 600S) was marketed as a model to cover the mid-range machine price range. As a CPU, it used the AMD2901 bit slice microprocessor from AMD. It had a lower price, and used…

In September of 1980, NEC announced a large general-purpose computer system, the ACOS System 1000 (hereafter referred to as the S1000), which was the fastest machine in the world at that time.…

In February 1985, NEC announced the ACOS System 1500 Series -- the world's largest and fastest general-purpose computer at the time. This series employed high-speed LSI, including: 300-gate…

In February 1986, NEC announced a series of ultra-large general-purpose computers which were the largest and fastest in the world at the time -- the ACOS System 2000 Series. This series employed a…

This was a small general-purpose computer, whose CPU was comprised of main memory and 5 distributed processors (an arithmetic processor, system control processor, service processor, magnetic disk…

In July 1987, NEC marketed a compact general-purpose small machine called the ACOS System 3300 (hereafter referred to as the S3300) as the successor of the ACOS System 410. The S3300 achieved a…

As a mid-size machine, NEC marketed the ACOS System 3400 (hereafter referred to as the S3400) as the successor of the ACOS System 430 in July 1988. The S3400 was a mid-size general-purpose…

These were mid-size general-purpose computers. They had complete compatibility with the previous S300 and S400, and employed microprocessors throughout the machine. The S450 had additional…

As a large machine, NEC marketed a compact high-performance computer, the ACOS System 3600 (hereafter referred to as the S3600) as the successor of the ACOS System 610 and 630 in February 1990.…

In July 1990, NEC announced a general-purpose computer, the ACOS System 3800, which was the fastest in the world at the time. Using a single processor, this machine achieved performance about 2.7…

As a mini machine, the S410 was announced in April 1983 as the successor of the ACOS System 250. In the S410, NEC used CMOS technology for the first time in its processors, and thereby achieved…

As a mid-size machine, the S430 was announced as the successor of the ACOS System 350 in February 1984. The S430 used 256 kilobit DRAMs for the main memory unit, 16,000 gate CMOS custom LSIs for…

These were mid-size general-purpose computers. They had complete compatibility with the previous S300 and S400, and employed microprocessors throughout the machine. The S450 had additional…

This was a large general-purpose computer developed as the high-end model of the ACOS Series. To cope with the increasing diversity of processing in large systems, process concepts were extended…

As large machines, the S610 and S630 were announced as successors of the ACOS system 450‚C550 in April 1985, and the S830, S910 and S930 were announced as successors of the high-end ACOS System…

The S610 and S630 employed technology from the ultra-large ACOS System 1500 Series, such as bipolar logic LSI with a delay time per gate of 250 picosec and 300 gates per chip, bipolar logic LSI…

The S830, S910 and S930 employed technology from the ultra-large ACOS System 2000 Series, such as logic LSI with delay time per gate of 100 picosec and 1,000 gates per chip, logic LSI with a delay…

The S830, S910 and S930 employed technology from the ultra-large ACOS System 2000 Series, such as logic LSI with delay time per gate of 100 picosec and 1,000 gates per chip, logic LSI with a delay…

The S830, S910 and S930 employed technology from the ultra-large ACOS System 2000 Series, such as logic LSI with delay time per gate of 100 picosec and 1,000 gates per chip, logic LSI with a delay…

This professional computer from NEC was a very nice system at the time. With its high resolution graphics (640 x 475) and its large disk capacity (1 MB), it sure was impressive in 1982!

The APC III (Advanced Personal Computer) was released by NEC in 1983. The APC III was based upon the Intel 8086 processor, with superior specifications to the IBM PC.

NEC began selling, as the Parallel ACOS series, the compact AX7300 in May 1994 and the mid-sized PX7500 in July. NEC added the PX7800 in December 1994 to round out the large and ultra-large…

The name Cenju-3 suggests that there have been predecessors, Cenju-1 and Cenju-2. This is indeed the case but these systems have only been used internally by NEC for research purposes and were…

NEC rolled out the NX7000/500 “super server” in February 1995. This large-scale UNIX server was the first model to appear after NEC and Hewlett-Packard agreed to a joint large-scale UNIX server…

NEC designed the NX7000/P590 UNIX server and began rolling it out in May 1997. It could be fitted with up to eight PA-8000 (180 MHz) processors and was noteworthy because of its I/O expandability…

Sheduled to be released in the U.S. in 1983 summertime, the PC-8201 was expected to compete directly with Tandy Model 100. Both machines were very similar, but the NEC could expand its internal…

Sheduled to be released in the U.S. in 1983 summertime, the PC-8201 was expected to compete directly with Tandy Model 100. Both machines were very similar, but the NEC could expand its internal…

The PC Engine LT (PCエンジンLT) is a "portable" laptop variant of the PC Engine, released exclusively in Japan in December 1991.

The PC Engine LT is essentially a PC Engine with a built-in flip…

NEC began selling, as the Parallel ACOS series, the compact AX7300 in May 1994 and the mid-sized PX7500 in July. NEC added the PX7800 in December 1994 to round out the large and ultra-large…

NEC began selling, as the Parallel ACOS series, the compact AX7300 in May 1994 and the mid-sized PX7500 in July. NEC added the PX7800 in December 1994 to round out the large and ultra-large…

In April 1983, NEC announced the first supercomputer to exceed 1 gigaFLOPS (1 billion floating point operations per second)—NEC supercomputer SX-2. This machine used 4 sets of high-performance…

In April 1984, NEC announced the SX-3 Series of supercomputers, which were the fastest in the world at that time. The SX-3 Series employed state-of-the-art technology, such as ultra-LSI with 20,…

The first company who has announced a system fulfilling all requirements of the architecture is NEC corporation with their new SX-4 series. The SX-4 processor is upward compatible to the SX-3R…

NEC rolled out the SX-5 series of supercomputers worldwide in June 1998. The SX-5 series featured a maximum vector performance of 4 teraFLOPS (four trillion floating-point operations in one second…

The SX-6 is a supercomputer built by NEC Corporation that debuted in 2001; the SX-6 was sold under license by Cray Inc. in the U.S. Each SX-6 single-node system contains up to eight vector…

The NEC SX-7 offers a maximum memory of 256 GB with a data transfer speed of 1130.2 GB/s. A variety of application software such as crash/shock analysis, fluid analysis, structural/vibration…

The SX-8 is a supercomputer built by NEC Corporation. The SX-8 Series implements an eight-way SMP system in a compact node module and uses an enhanced version of the single chip vector processor…

The SX-9 is a supercomputer built by NEC Corporation. The SX-9 Series implements an SMP system in a compact node module and uses an enhanced version of the single chip vector processor that was…

In April 1983, NEC announced the first supercomputer to exceed 1 gigaFLOPS (1 billion floating point operations per second)—NEC supercomputer SX-2. This machine used 4 sets of high-performance…