Whitechapel Computer Works

Whitechapel Computer Works Ltd. was a British computer manufacturer founded in April 1983 by Timothy Eccles and Bob Newman in London’s East End. The company operated from the Whitechapel Technology Centre, a council-supported high-technology business hub, and sought to establish a British presence in the emerging workstation market. Its development was supported by a combined investment of approximately £1 million from the Greater London Enterprise Board, venture-capital investors Newmarket and Baillie Gifford, and the United Kingdom Department of Trade and Industry. The Greater London Enterprise Board initially provided £100,000. The company began designing its first workstation in August 1983 and shipped its first systems in September 1984. Its principal early product was the MG-1, a Unix workstation built around National Semiconductor’s 32016 processor family. The system offered substantially more processing, memory, storage, and display capability than typical personal computers of the period, while attempting to undercut the prices of established workstation suppliers such as Hewlett-Packard, Sun Microsystems, Apollo Computer, and Three Rivers Computer Corporation. The MG-1 was initially aimed at computer-aided design and computer-aided manufacturing, but it was also used in universities, financial institutions, silicon design, and technical publishing. The MG-1 combined an 8 MHz NS32016 CPU with National Semiconductor memory-management and floating-point components. Configurations included expandable memory, a high-resolution 1024-by-800 monochrome display, hard disks of different capacities, a floppy drive, and an optional Ethernet interface. Its software evolved from National Semiconductor’s Genix Unix environment to 42nix, a Whitechapel port of 4.2BSD, supplemented by the Oriel graphical user interface. Whitechapel also used dedicated hardware and firmware techniques to improve mouse and keyboard responsiveness, screen updating, and orderly system shutdown. Industrial designers Fether & Partners gave the machine a distinctive two-tier enclosure intended to make an expensive technical system appear appropriate for professional offices and laboratories. Whitechapel expanded the range with the colour CG-1, announced in 1986, and with the MG-200, introduced in 1987 using the faster NS32332 processor and faster dual-ported memory. A colour CG-200 variant was also offered. The company reportedly sold up to about 1,000 systems from its first generation, with particularly strong use in London’s financial sector. The City University was probably its largest single institutional customer, installing 140 MG-1 systems. Academic and research users included Queen Mary College, the University of Lancaster, and other British universities and research institutes. Specialist customers used the workstations for silicon-design software, technical publishing, computer animation, and related engineering tasks. The original company entered receivership in 1986 but was revived as Whitechapel Workstations Ltd. The reorganised business pursued the MIPS processor architecture and sought wider United States sales through original-equipment manufacturers and value-added resellers. Its MG-300 design became the Hitech-10, based on the MIPS R2000 processor, and was followed by the Hitech-20, later known as the Mistral-20, using a MIPS R3000 processor. These systems ran the UMIPS Unix variant and supported graphical environments including X11 and NeWS, with computer animation among their target applications. Whitechapel Workstations entered receivership again in April 1988. In June that year, a consortium called Computer Hitech International acquired assets associated with the Hitech-10 and adopted the name Mistral Computer Systems. Mistral relied on Algorithmics Ltd. for system design; Algorithmics was largely composed of the remaining Whitechapel engineering team and was later acquired by MIPS Technologies. Mistral subsequently launched the Mistral-20 workstation, but the broader succession of ownership, manufacturing, and product plans did not produce a durable independent workstation business. Whitechapel is therefore remembered primarily for bringing comparatively advanced Unix and MIPS workstations to British professional, academic, financial, and engineering markets during a short period of 1980s innovation.

Whitechapel Computer Works emerged in 1983 from London’s Whitechapel Technology Centre, an enterprise hub supported by the local council. Founders Timothy Eccles and Bob Newman assembled funding from public and private sources and began developing a workstation intended to deliver professional Unix capability at a price closer to that of advanced personal computers. The company’s first machine, the MG-1, entered shipment in September 1984. The MG-1 used National Semiconductor’s NS32016 processor family and offered a 1024-by-800 monochrome display, expandable memory, hard-disk storage, floppy-disk support, and optional Ethernet. It was designed for computer-aided design and manufacturing, but its applications broadened into finance, university research, silicon design, and technical publishing. The machine’s software initially used Genix, a National Semiconductor Unix derivative. During 1985, Whitechapel moved to 42nix, a 4.2BSD-based port, and added the Oriel graphical interface. Hardware-assisted screen and pointer management helped the system remain responsive despite the limitations of contemporary Unix workstations. The company also invested in industrial design. Fether & Partners created a two-tier enclosure that consolidated most electronics into a compact unit while allowing the monitor to be positioned separately. This reflected Whitechapel’s effort to make a technically sophisticated workstation suitable for offices as well as laboratories. The product line expanded with the colour CG-1 in 1986, the MG-200 in 1987, and a corresponding CG-200 colour model. Whitechapel also marketed an MG-Series Publishing Workstation that combined hardware with technical-publishing software and scanning equipment. Whitechapel reportedly sold as many as 1,000 systems from its initial range. The City University installed 140 MG-1 systems, and other customers included British universities and research institutes. European Silicon Structures and Lattice Logic used the platform for silicon-design software, while financial users in London represented an important commercial market. The original company entered receivership in 1986 and was revived as Whitechapel Workstations Ltd. The successor pursued MIPS architecture to improve performance and strengthen its prospects in the United States. The MG-300 became the Hitech-10 with a MIPS R2000 processor, followed by the Hitech-20, later called the Mistral-20, with a MIPS R3000 processor. These systems targeted computer animation and other graphics-intensive applications and ran UMIPS Unix with X11 or NeWS graphical environments. A second receivership occurred in April 1988. Computer Hitech International acquired Hitech-10-related assets in June and adopted the Mistral Computer Systems identity. Mistral subcontracted design work to Algorithmics, which represented much of the remaining Whitechapel engineering capability. Mistral later introduced the Mistral-20 workstation, but later plans involving newer MIPS processors and renewed United Kingdom manufacturing did not lead to a lasting independent business. The Whitechapel legacy continued indirectly through the engineering team, its workstation designs, and Algorithmics, which was acquired by MIPS Technologies in 2002.

• 2002

  Algorithmics acquired by MIPS Technologies

  [1]Whitechapel Computer Worksen.wikipedia.org

  Algorithmics, which had absorbed much of the former Whitechapel design capability, was acquired by MIPS Technologies.

• 1988

  Second receivership and asset transfer

  [1]Whitechapel Computer Worksen.wikipedia.org

  Whitechapel Workstations entered receivership in April; Hitech-10-related assets were acquired by Computer Hitech International in June.

• 1987

  MG-200 and MIPS strategy

  [1]Whitechapel Computer Worksen.wikipedia.org

  The company introduced the NS32332-based MG-200 and developed the MIPS-oriented MG-300, later launched as the Hitech-10.

• 1986

  Colour workstation and corporate revival

  [1]Whitechapel Computer Worksen.wikipedia.org

  Whitechapel announced the CG-1 colour system, entered receivership, and was revived as Whitechapel Workstations Ltd.

• 1985

  42nix and Oriel introduced

  [1]Whitechapel Computer Worksen.wikipedia.org

  The MG-1 moved from Genix to the 4.2BSD-derived 42nix operating system with the Oriel graphical interface.

• 1984

  MG-1 begins shipping

  [1]Whitechapel Computer Worksen.wikipedia.org

  Whitechapel shipped its first workstation, aimed primarily at professional engineering and design applications.

• 1983

  Company founded in London

  [1]Whitechapel Computer Worksen.wikipedia.org

  Timothy Eccles and Bob Newman founded Whitechapel Computer Works in April and began designing the MG-1 later that year.

A British workstation specialist positioned between personal computers and premium engineering Unix systems, emphasizing relatively competitive pricing, high-resolution graphics, Unix software, and applications in design, publishing, finance, research, and computer animation.

• Unix workstation · 1984

  MG-1

  Whitechapel’s first workstation used an 8 MHz National Semiconductor NS32016 processor with associated memory-management and floating-point hardware. It offered expandable RAM, a 1024-by-800 monochrome display, multiple hard-disk configurations, an 800 KB floppy drive, and optional Ethernet. The system was initially supplied with Genix and later with 42nix and Oriel. It targeted computer-aided design and manufacturing but was also used in universities, financial institutions, silicon design, and technical publishing.

• Colour graphics workstation · 1986

  CG-1

  Announced in 1986, the CG-1 extended Whitechapel’s workstation range into colour graphics. It used a separate framebuffer installed in an expansion slot and supported a 768-by-512 display with 256 colours selected from a much larger palette. Its architecture copied display data from system memory to the framebuffer when the screen was updated, providing a graphics-oriented alternative to the monochrome MG-1.

• Unix workstation · 1987

  MG-200

  The MG-200 retained the MG-1’s high-resolution monochrome display while introducing the faster NS32332 processor and faster dual-ported RAM. The memory architecture allowed the processor and display subsystem more direct access to data. A colour CG-200 variant was also offered. These systems formed part of Whitechapel’s effort to extend its original workstation architecture into higher-performance professional applications.

• MIPS workstation · 1987

  Hitech-10

  The Hitech-10 was the commercial form of Whitechapel Workstations’ MG-300 design. It used a MIPS R2000 processor and represented the company’s shift away from the original National Semiconductor architecture. The system was intended to support stronger performance and wider sales through North American OEM and value-added-reseller channels, with computer animation among its target applications.

• MIPS workstation · 1988

  Hitech-20 / Mistral-20

  The Hitech-20, subsequently known as the Mistral-20, used a MIPS R3000 processor and ran UMIPS Unix with X11 or NeWS graphical environments. After the 1988 asset transfer, Mistral Computer Systems continued the product lineage and launched a Mistral-20 based on a 25 MHz R3000 with Unix System V Release 3 and BSD 4.3 extensions.

• 1988

  Transfer Hitech-10 assets to Computer Hitech InternationalM&A

  Background

  Whitechapel Workstations entered receivership in April 1988, leaving its Hitech-10-related assets available for acquisition.

  Action taken

  A consortium acquired the relevant assets in June and adopted the corporate identity Mistral Computer Systems.

  Aftermath

  Mistral continued workstation development, subcontracting design to Algorithmics, which represented much of the remaining Whitechapel engineering team.

  Source

• 1986

  Reorganise around a MIPS workstation strategyStrategy

  Background

  After the original company entered receivership, the revived business sought higher performance and a stronger route into the United States market.

  Action taken

  Whitechapel Workstations developed the MIPS-based MG-300, later commercialised as the Hitech-10, and pursued OEM and value-added-reseller distribution.

  Aftermath

  The design lineage continued through the Hitech-20 and Mistral-20, although the independent Whitechapel business later failed.

  Source

• 1985

  Move from Genix to 42nix and OrielStrategy

  Background

  The original Genix environment did not provide the desired combination of Unix compatibility and graphical responsiveness for the MG-1.

  Action taken

  Whitechapel adopted a 4.2BSD-derived operating-system port called 42nix and paired it with the Oriel graphical user interface.

  Aftermath

  The revised software architecture was reported to improve graphics performance and became part of the MG-1’s later software offering.

  Source

1. 1Whitechapel Computer Worksen.wikipedia.org
2. 2Whitechapel Press Releasescomputerconservationsociety.org