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Data General

 
Company History: Data General Corporation

Type: Public Company
Address: 4400 Computer Drive, Westboro, Massachusetts 01580, U.S.A.
Telephone: (508) 366-8911
Fax: (508) 898-4003
Employees: 6,900
Sales: $1.12 billion
Stock Exchanges: New York London
Incorporated: 1968
SIC: 3571 Electronic Computers; 3577 Computer Peripheral Equipment Nec; 5045 Computers, Peripherals & Software; 7372 Prepackaged Software; 7378 Computer Maintenance & Repair

Data General Corporation is a manufacturer of multi-user computer systems: minicomputers, workstations, and servers. During the minicomputer boom in the 1970s, Data General was one of the fastest growing U.S. companies and was considered one of the leaders in minicomputers. Since minicomputers began losing sales to personal computers in the 1980s, however, Data General had difficulties adjusting its market focus. In the early 1990s the company began to establish itself in the area of workstations, servers, and data storage systems. With 33 subsidiaries and more than 250 sales and service offices in 60 countries, Data General is a significant international company, earning about half its revenue from foreign sales.

The minicomputer, a medium-scale, cabinet-sized computer that functions either as a single workstation or as a multi-user system with numerous terminals, was first introduced in 1959 by Digital Equipment Corporation. In 1968 Esdon de Castro and two other young engineers, quit their jobs at Digital to start their own company, Data General. At Digital they had been working together on a project for a new 16-bit computer, faster than the existing model that functioned at a rate of only 12-bit units. It is unclear whether they had planned ahead to start their own business with technology they were developing at Digital, or whether they quit because management had turned down a proposal of de Castro's to build a whole new series of computers that would have made much of Digital's line obsolete. The end result was that Data General's first product, the 16-bit NOVA minicomputer sold very well by filling a gap in Digital's product line. Ten years later Digital's president told Fortune magazine, "What they did was so bad we're still upset about it." But Digital never sued the new company for any theft of intellectual property.

De Castro and his two colleagues, joined by salesperson Herb Richman of Fairchild Semiconductor, obtained financial backing from lawyer Frederick Adler. To start the company Adler put up $50,000 of his own money and raised much of the rest of the founding capital, which totaled $800,000. With that Data General was incorporated on April 15, 1968, and set up operations in what had been a beauty parlor in Hudson, Massachusetts. A year later the company moved to Southboro. De Castro was president and CEO, Richman became vice-president of marketing and sales, and Adler served as secretary and a board member in addition to managing the finances for the first few years.

Data General's first machine, the NOVA, unveiled at the annual national Computer Conference in 1969, was a great success. Besides having several features that Digital's comparable computers lacked, the Data General multi-purpose minicomputer was produced very cheaply and thus could be sold at a relatively low price, averaging $26,000. The NOVA had the advantage of specially designed large circuit boards, which reduced the amount of hardware in the computer. The company shipped more than 200 of these minicomputers in its first year.

At the time, the minicomputer market, unlike that for mainframes, primarily consisted of engineers, scientists, and purchasing agents of original equipment manufacturers (OEMs). Therefore, it was relatively easy for a new company such as Data General to break in with inexpensive advertisements in key trade journals. These clients were more interested in a bargain than a famous brand name, and Data General offered volume discounts as high as 40 percent. Furthermore, the company did not have to provide a service organization as the big computer manufacturers did, since its clients were technically capable of taking care of the computers themselves. Soon 70 percent of Data General's clients were OEMs, which packaged custom software and peripherals with core computers and resold them to the final customer.

Shrewd business management from the beginning also aided Data General's successful growth. It went public after only a year of business, in 1969, and, raising money by offering stockholder equity shares, did not have to go into debt. The owners used the stock as a means of growth rather than hoarding a majority for themselves. When they made a second public offering several years later, the founders followed the advice of Adler and each sold some of their own stock in the process. Data General stock was listed on the New York stock exchange on December 28, 1973.

The company was also known for keeping down its overhead costs. It had low receivables and inventories as a percentage of sales. A relatively large proportion of the sales crew's pay was from commissions. With all its computer lines simple and compatible with each other, Data General did not have to develop new systems software. Its R&D expenditures were not put into risky new technology areas, but rather spent on ways to improve and cut costs on existing products. Finally, its offices, even after moving its headquarters a second time in 1977 to the present location in Westboro, have been kept simple, and there have been almost no executive perks.

Data General's early advertising style was aggressive, compatible with the business behavior of its OEMs and in sharp contrast to the polite customer support offered by the mainframe companies such as IBM. Data General thus sought to differentiate itself from its chief competitor, Digital, precisely by the aggressiveness of its sales staff. Although it may have seemed that Data General had a long way to go the take on Digital, which held 85 percent of the minicomputer market, there was no company in firm second place. In a similarly aggressive style, Data General was quick to take copiers of its designs to court.

Data General quickly followed the new trends in technology, learning from the leader's mistakes, and providing cheaper machines. The company kept its prices down by such techniques as using plug-in printed circuit boards in its computers, instead of hand-wired ones, the first minicomputer manufacturer to do so. In 1973, Data General was the first major company to introduce a minicomputer with a new core memory design permitting twice as much memory on a single circuit board as was then standard. Thus, the NOVA 2, at the same price as its predecessors, could support more complex software. This enabled them to run programming languages such as FORTRAN, which previously had been used only on mainframe computers. In the mid-1970s Data General introduced its second product line, the more powerful ECLIPSE scientific and commercial computers. These new minicomputers did not differ greatly in their architecture from the NOVA and were compatible with the NOVA in their system software.

In 1978, just ten years after its founding, Data General, as the fastest growing computer company to date, was listed 500th in the Fortune 500 rankings with sales at $380 million. Yet it ranked much higher than that in profits. With a goal of providing stockholders a high short-term rate of return on their investments, Data General was able to maintain its 30-40 percent growth rate. Expansion was manifested in the hiring of 7,000 new employees between 1974 and 1978. Managerial complications associated with such rapid growth caused the company to fail only once in fulfilling customer orders, in 1973. However, it was unable to substantially increase its 8-11 percent share in the minicomputer market, because the market was growing even faster at the incredible rate of 40-45 percent annually.

Meanwhile, Data General had grown in other directions, as well. It established its Canadian, European, and Asian operations, and created a technical service organization. It also began manufacturing its own computer components, setting up a semiconductor operation in Sunnyvale, California, to produce its own microprocessors and other chips. Around 1976 de Castro decided to fully integrate the company by also producing peripherals.

Eventually the company's physical growth became too complex to be run in the same manner it had been. For too long de Castro had tried to manage the whole company himself. Lack of coordination led to a costly proliferation of research projects. In one case two competing research groups were funded to develop a 32-bit "supermini," a minicomputer powerful enough to compete with a mainframe. Internal disagreements in 1976-77 among engineers, concerning whose project team would design the new computer, postponed execution of the project, while Digital's 32-bit VAX, introduced in 1977, was becoming very popular. After a frantic year and a half of work, chronicled in Tracy Kidder's best-selling book The Soul of a New Machine, Data General finally announced its 32-bit MV/8000 in April 1980. This was the upgraded version of the ECLIPSE line. But the company's delay resulted eventually in a smaller share of the new supermini market. Meanwhile, during the fourth quarter of 1979, the hiring and training of many employees for its new service department resulted in a decline in earning for the first time.

In response to managerial deficiencies, in 1980 the founders decided to reorganize the company into a divisional structure. Already in 1979 the company had started a transition away from a strictly functional organization, by establishing product-oriented groups. Now new executives were brought in from outside, and decision making was decentralized among three divisions, each oriented to a different target market. In addition to new middle level managers, a new senior vice-president, Robert C. Miller, a veteran of IBM, was appointed in 1982 to head the company's three business divisions, relieving de Castro from day-to-day operations.

However, these changes were not enough to put Data General back on the fast track. The real problem the company faced in the 1980s was that the minicomputer boom had slowed and so had Data General's sales. Earnings in fiscal 1981 fell from $55 million to $41 million. In fiscal 1982 profits dropped an additional 51 percent to $24.6 million, while revenues grew that year by only 9.3 percent to $806 million. Since then, Data General had not been able to regain for long the rate of growth it had seen in the 1970s. Basically, it was unable to adjust itself quickly enough to serve the new growth segment of the market: personal computers and workstations.

In 1981, the year Data General shipped its 100,000th computer, it made its first entry into the lower-end personal computer market with its "Enterprise." Unfortunately, this product failed due to its high price and limited software ability, reflecting the company's lack of familiarity with the new mass market for personal computers. Data General's next personal computer, released in 1983, had the ability to run both standard PC software and some of the software that ran on the company's minicomputers. But by then the competition from Apple, IBM, and others was overwhelming, and sales tended to be only to existing minicomputer clients. A laptop computer released the following year was also unsuccessful, because its display was not satisfactorily legible, and demand was overestimated.

Meanwhile, under new management, Data General began selling direct, in IBM fashion, to end-user clients, rather than to OEMs. It went after these new, commercial markets with its superminis by incorporating more software, peripherals, and support. The company developed an office automation system, combining functions such as word processing, electronic mail, and filing, which it named CEO (Comprehensive Electronic Office), and which ran on the new MV/series of superminis. Its customers tended to be large corporations that had previously been served by IBM or Wang Laboratories.

However, this change of client required a different kind of sales force focusing on the computer's abilities to solve office problems rather than its abilities to process data and support programming languages. "Its hard selling tactics were increasingly out of step with a changed marketplace," observed a 1982 Forbes article. Many of Data General's most successfully aggressive salespeople left the company at this time. Another obstacle that faced the company in this new market was a preference by customers who already had computer systems to stick with their previous supplier. It was one thing for Data General to try to take on Digital in the minicomputer wholesale market of the 1970s, but, as later became clear, it was a wasted effort to try to take established end-user clients away from IBM.

Sales temporarily rebounded in early 1984, up 40 percent, bringing revenues over the $1 billion mark. The organizational restructuring of 1980 was finally paying off, and retrained sales crews brought in a few big accounts with the company's office automation system, including the U.S. Forest Service and E.F. Hutton. Data General's latest high-end supermini, the MV/10000, in 1983 was indeed superior to the competition.

The spurt was short-lived, however. Expecting continued high growth, de Castro had added nearly 3,000 new employees and increased capital spending by 78 percent to meet the expected new demand. But it did not materialize. With its only successful products in the slowing minicomputer market and with the computer industry as a whole in a slump by the mid-1980s, high growth could not be sustained. Profits plummeted 70 percent in 1985. The following year, Data General suffered its first losses, which accelerated to $127 million in fiscal 1987.

The company reacted by downsizing. Already in 1986 it had closed its semiconductor plant in Sunnyvale, laying off 75 employees. It also closed two plants that made computer terminals and printers and merged two internal computing operations, eliminating 400 more jobs. The following year 1,000 were laid off and three more facilities were shut down. In cutting back on marketing and service, de Castro, once again fully in charge following Miller's resignation in 1987, decided to focus sales for the time being on its traditional, more familiar market of OEMs.

A major reason minicomputers were becoming less popular than personal computers and workstations was that the latter were built with standard "off-the-shelf" microprocessors for use with common systems software, a concept referred to as "open systems." Minicomputers, on the other hand, were built with the manufacturer's own unique hardware and software. Open systems gave the user the ability to exchange software and data between various brands of computers. Realizing this, de Castro decided to base Data General's next generation of computers on the simpler, yet faster RISC (reduced instruction set computing) microprocessors made by Motorola and run them on a UNIX-based operating system. This was the AViiON line, introduced in April, 1989. With the experience and technology to produce at low cost, Data General had a potential advantage in a market of standard computer systems. Furthermore, purchasing existing microprocessor chips and operating systems software licenses would save the company the engineering costs in these areas. In 1988 Data General was continuing to close plants and lay off workers and was losing what share it had in the declining minicomputer market. Market share had fallen to 0.9 percent of worldwide revenues for 1989, according to market researcher Info Corp.

In December 1990, before the AViiON could prove itself, the board of directors, apparently fed up with mounting losses for five straight years, removed de Castro from the chair and replaced him with Ronald Skates, who had already been CEO for two years. Skates proceeded to pare costs and plan Data General's future around the AViiON line. Skates cut research and developed expenditures to eight percent of annual sales from de Castro's 12 percent. He withdrew funding from major joint development projects with other companies, and he accelerated the layoffs, reducing the work force by 50 percent between 1986 and 1991. To help pay off debts, in March 1991 he sold off the Japanese subsidiary Nippon Data General for about $46 million.

The AViiON was relatively successful, grossing $200 million in revenue in fiscal 1991 to help make that year profitable. Most AViiON sales were of its high-end server, a computer designed to store data used by other computers linked with it in a network. However, the market for such server computers was still relatively small. AViiON sales were unable to offset declining sales of minicomputers, and Data General fell back into the red in 1992.

The company's latest product strategy introduced in late 1992 was data storage systems. It formed a new division dedicated to producing storage products based on the high-reliability technology of redundant arrays of inexpensive disks (RAID). The system, called CLARiiON, was to be used especially in conjunction with the UNIX-based computers of other manufacturers, such as IBM, Sun, and Hewlett-Packard. With CLARiiON, Data General was the first large company to provide RAID for UNIX. With a maximum capacity of 24 G (billion) bytes, the desk-side CLARiiON was able to store more data than most companies needed, but it was hoped that it would be used to provide the support for new memory-intensive applications, such as imaging and voice recognition. For clients who missed the high storage capacity of mainframes, but wanted open systems, RAID was the answer.

By early 1993 the company had completed two straight quarters of profits, and sales of its AViiON and CLARiiON systems were steadily growing. While other large computer companies, such as Digital and IBM, were beginning to cut back, Data General had already completed its downsizing. From its high of 18,000 employees in 1985 it had reduced itself to a lean 6,900. Data General looked like it was ready to move ahead.

Principal Subsidiaries

Data General Europe, Inc. (France); Data General, Ltd. (United Kingdom); Data General GmbH (Germany); Data General Australia Pty, Ltd.; Data General (Canada) Ltd.; Data General de Mexico, S.A. de C.V.

Further Reading

"Advantage, Adler!," Forbes, January 15, 1977, pp. 66-67.

Ballou, Melinda-Carol, "Revamped DG on the Revenue Rebound," Computerworld, February 8, 1993, p. 85.

Beam, Alex, "Data General: The Ax Keeps Falling," Business Week, June 23, 1986, pp. 49-50.

------, "Who's Breathing Down Whose Neck Now?," Business Week, November 25, 1985, pp. 132-136.

Churbuck, David, "The Soul of Another Machine," Forbes, November 11, 1991, pp. 336-337.

"Data General Corp.," Datamation, June 15, 1988, p. 90.

"Data General's High-Stakes Bet on Desktop Computers," Business Week, August 1, 1983, pp. 76-77.

"Data General Tries for Its Second Wind," Business Week, March 7, 1983, pp. 75-83.

"The Fourth Wave," Forbes, September 19, 1988, pp. 179-180.

Helm, Leslie, "The New Data General Is Leaner--But Is it Meaner?," Business Week, August 17, 1987, pp. 86-88.

"How Data General Started Humming Again," Business Week, January 30, 1984, pp. 53-57.

Kidder, Tracy, The Soul of a New Machine, Boston: Little, Brown, 1981, pp. 16-27.

Kindel, Stephen, "Data General," Financial World, July 26, 1988, pp. 28-32.

Lewis, Geoff, "These Minis Could be Out of Fashion for Good," Business Week, November 21, 1988, p. 106.

Lindholm, Elizabeth, "Data General Corp.," Datamation, June 15, 1992, p. 80.

"The Long Hairs vs. the Stuffed Shirts," Forbes, January 15, 1976, pp. 30-31.

McWilliams, Gary, "Data General: RISC-ing Most of its Chips," Business Week, November 27, 1989, p. 195.

------, "Will Fast and Cheap be Data General's Salvation?," Business Week,, March 25, 1991, pp. 104-105.

Nash, Kim S., "DG Makes Waves in RAID Storage Market," Computerworld, September 21, 1992, p. 109.

"New Memories Boost Minicomputer Capacity," Business Week, July 7, 1973, pp. 72-73.

Seneker, Harold, "Data General--Life in the Fast Lane," Forbes, March 3, 1980, pp. 72-74.

Uttal, Bro, "The Gentlemen and The Upstarts Meet in a Great Mini Battle," Fortune, April 23, 1979, pp. 98-108.

Wiegner, Kathleen K., "Better Late?," Forbes, October 11, 1982, pp. 118-123.

— Heather Behn Hedden


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Wikipedia: Data General
Top
Data General
Successor EMC Corporation
Founded 1968
Defunct 1999
Headquarters Westboro
Industry Computer
Products Minicomputers

Data General was one of the first minicomputer firms from the late 1960s. Three of the four founders were former employees of Digital Equipment Corporation. Their first product, the Nova, was a 16-bit minicomputer. This was followed by the Supernova and Eclipse product lines, all of which were used in many applications for the next two decades. The company employed an OEM (Original Equipment Manufacturer) sales strategy to sell to third parties who incorporated Data General computers into the OEM's specific product line(s). A series of missteps in the 1980s, including missing the advance of microcomputers despite the launch of the microNOVA in 1977, led to a decline in the company's market share. The company did continue into the 1990s, however, and was eventually acquired by EMC in 1999.

Contents

History

Origin, founding, and early years: The Nova and SuperNova

Data General (DG) was founded by several engineers from Digital Equipment Corporation who were frustrated with DEC's management and left to form their own company. The chief protagonists were Edson de Castro, Henry Burkhardt III, and Richard Sogge of Digital Equipment (DEC), and Herbert Richman of Fairchild Semiconductor. The company was incorporated in the state of Delaware in April 1968.

De Castro was the chief engineer in charge of the PDP-8, DEC's line of inexpensive computers that created the minicomputer market. It was designed specifically to be used in lab equipment settings; as the technology improved, it was shrunk-fit into a 19-inch rack. Many PDP-8's still operate today, decades later. de Castro, convinced he could do one better, began work on his new 16-bit design.

The result was released in 1969 as the Nova. Designed to be rack-mounted similarly to the later PDP-8 machines, it was smaller in height and ran considerably faster. Launched as "the best small computer in the world", the Nova quickly gained a huge following and made the company flush with cash, although Data General had to defend itself from misappropriation of its trade secrets[1]. With the initial success of the Nova, Data General went public in the fall of 1969. The Nova, like the PDP-8, used a simple accumulator-based architecture. It lacked general registers and the stack-pointer functionality of the more advanced PDP-11, as did competing products such as the HP 1000; compilers used hardware-based memory locations in lieu of a stack pointer.

The original Nova was soon followed by the faster SuperNova, then later by several minor versions based on the SuperNova core. The last major version, the Nova 4, was released in 1978. During this period the Nova generated 20% annual growth rates for the company, becoming a star in the business community and generating $100 million in sales in 1975. In 1977, DG launched a 16-bit microcomputer called the microNOVA to poor commercial success.

The Nova series plays a very important role as instruction-set inspiration to Charles P. Thacker and others at Xerox PARC during their construction of the Xerox Alto.

Late 70s to late 80s: Crisis and a short term solution

Data General Headquarters in Westboro, Massachusetts 1981

In 1974, the Nova was supplanted by their upscale 16-bit machine, the Eclipse. Based on many of the same concepts as the Nova, it included support for virtual memory and multitasking more suitable to the small office environment. For this reason, the Eclipse was packaged differently, in a floor-standing case resembling a small refrigerator.

Production problems with the Eclipse led to a rash of lawsuits in the late 1970s. Newer versions of the machine were pre-ordered by many of DG's customers, which were never delivered. Many customers sued Data General after more than a year of waiting, charging the company with breach of contract, while others simply canceled their orders and went elsewhere. The Eclipse was originally intended to replace the Nova outright, evidenced by the fact that the Nova 3 series, released at the same time and utilizing virtually the same internal architecture as the Eclipse, was phased out the next year. Strong demand continued for the Nova series, resulting in the Nova 4, perhaps as a result of the continuing problems with the Eclipse.

In 1976, Digital announced the VAX series, their first 32-bit minicomputer line, described as super-minis. The first products would not ship until February 1978. This coincided with the aging 16-bit products (notably the PDP-11), which were coming due for replacement. Data General immediately launched their own 32-bit effort in 1976 to build what they called the "world's best 32-bit machine," known internally as the "Fountainhead Project". When Digital's VAX-11/780 was shipped in February 1978, however, Fountainhead was not yet ready to deliver a machine, due mainly to problems in project management. DG's customers left quickly for the VAX world.

Soon afterwards, Data General launched a hyperactive 32-bit effort based on the Eclipse known as the "Eagle Project". By late 1979, it became clear that Eagle would deliver before Fountainhead, igniting an intense turf war within the company for constantly-shrinking project funds. In the meantime, customers abandoned Data General in droves, driven not only by the delivery problems with the original Eclipse (including very serious quality control and customer service problems), but also the power and versatility of Digital's new VAX line.

The Eagle Project was the subject of Tracy Kidder's Pulitzer prize-winning book, The Soul of a New Machine (see references), making the MV line the best-documented computer project in recent history. The MV/8000 was a straightforward, 32-bit extension of the Nova-based Eclipse, yet still lacking a hardware stack pointer adopted by most new computers since the late 1960s. It was backwards-compatible with 16-bit Eclipse applications, used the same command-line interpreter as the 16-bit Eclipse, and because it was as advanced in function as VAX/VMS, could execute proprietary 32-bit applications.

MV Series

In two short years the first results of the project were released in 1980, the Eclipse MV/8000. The MV systems generated a remarkable turnaround for Data General. Through the early 1980s sales picked up, and by 1984 the company had over a billion dollars in annual sales. Data General's proprietary video terminals would be among the first to adopt a wide 3-pad layout later standardized by versions of the IBM PC.

The MV series came in various iterations, from the MV20000 (later MV25000), MV40000, and ultimately concluded with the MV60000/HA minicomputer. The MV60000/HA was intended to be a High Availability system, with many components duplicated to eliminate the single point of failure. Yet, there were failures among the systems many daughter boards, back-plane, and mid-plane. DG technicians were kept quite busy replacing boards and many blamed poor quality control at the DG factory in Mexico where they were made and refurbished.

In retrospect, the nicely performing MV series was too little, too late. At a time when DG invested its last dollar into the dying minicomputer segment, the microcomputer was rapidly making inroads to the lower-end market segment, and the introduction of the first workstations wiped out all 16-bit machines, once DG's best customer segment. While the MV series did stop the erosion of DG's customer base, this now smaller base was no longer large enough to allow DG to develop their next generation. DG had also changed their marketing to focus on direct sales to Fortune 100 companies and thus alienated many resellers.

Software

Data General developed operating systems for its hardware: DOS and RDOS for the Nova, RDOS and AOS for the 16-bit Eclipse C, M, and S lines, AOS/VS and AOS/VS II for the Eclipse MV line, and a modified version of System V Unix called DG/UX for the Eclipse MV and AViiON machines. The AOS/VS software was the most commonly used DG software product and included CLI (Command Line Interpreter) allowing for complex scripting, DUMP/LOAD, and other custom components.

Related system software also in common use at the time included such packages as X.25, Xodiac, and TCP/IP for networking, Fortran, COBOL, RPG, PL/1, C and Data General Business Basic for programming, INFOS II and DG/DBMS for databases, and the nascent relational database software DG/SQL.

Data General also offered an office automation suite named CEO (Comprehensive Electronic Office), which included a mail system, a calendar, a folder-based document store, a word processor, a spreadsheet processor, and other assorted tools. All were crude by today's standards but were revolutionary for their time.

Some software development from the early 70s is notable. PLN (created by Robert Nichols) was the host language for a number of DG products, making them easier to develop, enhance, and maintain than macro assembler equivalents. PLN smacked of a micro-subset of PL/1, in sharp contrast to other languages of the time, such as BLISS. The RPG product (shipped in 1976) incorporated a language runtime system implemented as a virtual machine which executed pre-compiled code as sequences of PLN statements and Eclipse commercial instruction routines. The latter provided microcode acceleration of arithmetic and conversion operations for a wide range of now-arcane data types such as overpunch characters. The DG Easy product, a portable application platform developed by Nichols and others from 1975-1979 but never marketed, had roots easily traceable back to the RPG VM created by Stephen Schleimer.

Also notable were several commercial software products developed in the mid to late 1970's in conjunction with the commercial computers. These products were popular with business customers because of their screen design feature and other ease-of-use features. The first product was IDEA (Interactive Data Entry/Access) which consisted of a screen design tool (IFMT), TP Controller (IMON) and a program development language (IFPL). The second was the CS40 line of products which used COBOL and their own ISAM data manager. The COBOL variant used included an added screen section. Both of these products were a major departure from the transaction monitors of the day which did not have a screen design tool and used subroutine calls from COBOL to handle the screen. IDEA was identified by some market watchers as a precursor to fourth-generation programming languages.

The original IDEA ran on RDOS and would support up to 24 users in an RDOS Partition. Each user could use the same or a different program. Eventually IDEA ran on every commercial hardware product from the MicroNova (4 users) to the MV series under AOS/VS, the same IDEA program running all those systems. The CS40 (the first of this line) was a package system which supported four terminal users, each running a different COBOL program. These products also led to the development of a third product, TPMS (Transaction Processing Monitoring System (announced in 1980)) which could capably run a large number of COBOL or PL/I users with a smaller number of processors, a major resource and performance advantage on AOS and AOS/VS systems. TPMS had the same screen design tool as the earlier products. TPMS used defined subroutine calls for screen functions from COBOL or PL/I, which in some users' eyes made it more difficult to use. However, this product was aimed at the professional IS Programmers as were its competitors -- IBM’s CICS and DEC’s TRAX. As with IDEA, TPMS used INFOS for information management and DG/DBMS for database management.

Data General-One

Data General's introduction of the Data General-One in 1984 is an interesting story, as it is one of the few cases of a minicomputer company introducing a truly breakthrough PC product. The DG One was a nine-pound battery-powered MS-DOS machine equipped with dual 3½" diskettes, a 79-key full-stroke keyboard, 128K to 512K of RAM, and a monochrome LCD screen capable of either the standard 80×25 characters or full CGA graphics (640×200). The Data General One was considered a modest advance over similar Osborne-Kaypro systems.

Despite the memorable advertisements ("The first computer able to fit inside the IBM PC"), the DG-1 was, however, only a modest success. One problem was the use of 3½" diskettes, which were slightly ahead of their time; popular software titles were not available in 3½" format and this was a serious issue because then-common diskette copy-protection schemes made it difficult for users to copy the software into that format. Additionally, the diskettes used a proprietary formatting scheme not compatible with products from other companies. Although Creative Computing termed the price of US$2895 "competitive", it was a very expensive system and optional additions, such as expanded RAM and an external 5¼" floppy drive, drove the price considerably higher. The Achilles heel, however, was the liquid-crystal display itself, which was not backlit, had poor contrast, and was frequently accused of serving better as a mirror than as a screen. Usable outdoors or in bright offices only, a flashlight, it was joked, was often necessary to see the contents of the screen.

Another product killer was the incompatible serial port chip, an Intel 82C51 which was used to conserve power, instead of the 8250 used in the IBM PC. For a portable system, this was a critical flaw -- PC programs that used the serial port wouldn't run on the DG-1 due of the non-standard register arrangement within the 82C51.

An updated version of the DG-1 appeared later with a much improved electroluminescent screen. However, the light-producing display could be washed out by bright sunlight. Additionally, the new screen was power hungry and consumed so much power that the battery option was removed, thereby causing the DG-1 to lose its status as a true portable.

Lock-in or No Lock-in?

Throughout the 1980s the computer market had evolved dramatically. Large installations in the past typically ran custom-developed software for a small range of tasks. For instance, IBM often delivered machines whose only purpose was to generate accounting data for a single company, running software tailored for that company alone.

By the mid-80s the introduction of new software development methods and the rapid acceptance of the SQL database was changing the way such software was developed. Now developers typically linked together several pieces of existing software, as opposed to developing everything from scratch. In this market the question of which machine was the "best" changed; it was no longer the machine with the best price/performance ratio or service contracts, but the one that ran all of the third-party software you intended to use.

This change forced changes on the hardware vendors as well. Formerly almost all computer companies attempted to make their machines different enough that when their customers sought a more powerful machine, it was often cheaper to buy another from the same company. This was known as "vendor lock-in", which helped guarantee future sales even though the customers detested it.

With the change in software development, combined with new generations of commodity processors that could match the performance of low-end minicomputers, lock-in was no longer working. When forced to make a decision, it was often cheaper for the users to simply throw out all of their existing machinery and buy a microcomputer product instead. If this was not the case "now", it certainly appeared it would be within a generation or two of Moore's Law.

In 1988 two company directors put together a report showing that if the company was to continue existing in the future, DG would have to either invest heavily in software to compete with new applications being delivered by IBM and DEC on their machines, or alternately exit the proprietary hardware business entirely.

Thomas West's report outlined these changes in the marketplace, and suggested that the customer was going to win the fight over lock-in. They also outlined a different solution: instead of trying to compete against the much larger IBM and DEC, they suggested that since the user no longer cared about the hardware as much as software, DG could deliver the best "commodity" machines instead.

"Specifically", the report stated, "DG should examine the Unix market, where all of the needed software already exists, and see if DG can provide compelling Unix solutions."[cite this quote] Now the customer could run any software they wished as long as it ran on Unix, and by the early 1990s, everything did. As long as DG's machines outperformed the competition, their customers would return because they liked the machines, not because they were forced; lock-in was over.

AViiON

Mr. de Castro agreed with the report, and future generations of the MV series were terminated. Instead, DG released a technically interesting series of Unix servers known as the AViiON. The name 'AViiON' was a play on the name of DG's first product, Nova, implying "Nova II". In an effort to keep costs down, the AViiON was originally designed and shipped with the Motorola 88000 RISC processor. The AViiON machines supported multi-processing, later evolving into NUMA-based systems, allowing the machines to scale upwards in performance by adding additional processors.

An important element in all enterprise computer systems is high speed storage. At the time AViiON came to market, commodity hard drives could not offer the sort of performance needed for data center use. DG attacked this problem in the same fashion as the processor issue, by running a large number of drives in parallel. The overall performance was greatly improved and the resulting innovation was marketed as the CLARiiON line. The CLARiiON arrays, which offered SCSI RAID in various capacities, offered a great price/performance and platform flexibility over competing solutions.

The CLARiiON line was marketed not only to AViiON customers, but to the larger DG customer base, mainly those using the MV series. The upturn in business from the CLARiiON line turned DG into a storage solutions company overnight. When used together, the AViiON/CLARiiON combination delivered microprocessor-based systems that outperformed traditional minicomputers of the same generation, an idea many in the industry did not anticipate would happen so soon.

The Final Downturn and EMC Takeover; Life After Death

Despite Data General betting the AViiON farm on the Motorola 88000, Motorola decided to end production of that line. The 88000 had never been very successful, and DG was the only major customer. When Apple Computer and IBM proposed their joint solution based on POWER designs, the PowerPC, Motorola picked up the manufacturing contract and killed the 88000.

DG quickly responded and introduced new models of the AViiON series based on a true commodity processor, the Intel "x86" series. By this time a number of other vendors, notably Sequent Computer Systems, were also introducing similar machines. The lack of lock-in now came back to haunt DG, and the rapid commoditization of the Unix market led to shrinking sales. DG did begin a minor shift toward the service industry, training their technicians for the role of implementing a spate of new x86-based servers and the new Microsoft Windows NT domain-driven, small server world. This never progressed beyond a few sites, however.

CLARiiON did better after finding a large niche for Unix storage systems, and its sales were still strong enough to make DG a takeover target. EMC Corporation, a major data storage company, acquired Data General and its assets in 1999. Although details of the acquisition specified that EMC had to take the entire company, and not just the storage line, EMC quickly ended all development and production of DG computer hardware and parts, effectively ending Data General's presence in the segment. The maintenance business was sold to a third party, who also acquired all of DG's remaining hardware components for spare parts sales to old DG customers. The CLARiiON line continues to be a major player in the market today, and is still marketed under that name.

Data General would be only one of many New England based computer companies, including the original Digital Equipment Corporation that collapsed after the 1980s. On the World Wide Web, all that officially remains of Data General are a few EMC web pages at the old Data General domain (http://www.dg.com), which only mention the latter company in passing.

Notable alumni

References

External links


 
 

 

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