The Gavilan SC is a laptop computer and was the first ever to be marketed as a "laptop".

History

The brainchild of Gavilan Computer Corp. founder Manuel (Manny) Fernandez, the Gavilan was introduced in May 1983, at approximately the same time as the similar

Sharp PC-5000 The Sharp PC-5000 was a pioneering laptop computer, announced by Sharp Corporation of Japan in November 1983. It employed a clamshell design in which the display closes over the keyboard, like the earlier GRiD Compass and contemporary Gavilan ...

. It came to market a year after the

GRiD Compass The Grid Compass (written ''GRiD'' by its manufacturer GRiD Systems Corporation) is one of the first laptop computers. History Development began in 1979, and the main buyer was the U.S. government. NASA used it on the Space Shuttle during th ...

, with which it shared several pioneering details, notably a

clamshell Clamshell may denote anything resembling the bivalve shell of a clam: * Scoop stretcher, another name for this patient transport device * Clamshell design, a form factor used for electronic devices, also known as a "flip" or "flip phone". * Cla ...

design, in which the screen folds shut over the keyboard. The Gavilan, however, was more affordable than the GRiD, at a list price of around

US$ The United States dollar (symbol: $; code: USD; also abbreviated US$ or U.S. Dollar, to distinguish it from other dollar-denominated currencies; referred to as the dollar, U.S. dollar, American dollar, or colloquially buck) is the official ...

4000. Unlike the GRiD, it was equipped with a

floppy disk drive A floppy disk or floppy diskette (casually referred to as a floppy, or a diskette) is an obsolescent type of disk storage composed of a thin and flexible disk of a magnetic storage medium in a square or nearly square plastic enclosure lined wi ...

and used the

MS-DOS MS-DOS ( ; acronym for Microsoft Disk Operating System, also known as Microsoft DOS) is an operating system for x86-based personal computers mostly developed by Microsoft. Collectively, MS-DOS, its rebranding as IBM PC DOS, and a few oper ...

operating system An operating system (OS) is system software that manages computer hardware, software resources, and provides common daemon (computing), services for computer programs. Time-sharing operating systems scheduler (computing), schedule tasks for ef ...

, although it was only partially

IBM PC The IBM Personal Computer (model 5150, commonly known as the IBM PC) is the first microcomputer released in the IBM PC model line and the basis for the IBM PC compatible de facto standard. Released on August 12, 1981, it was created by a tea ...

-compatible. Powered by a 5

MHz The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI), equivalent to one event (or cycle) per second. The hertz is an SI derived unit whose expression in terms of SI base units is s−1, meaning that one h ...

Intel 8088 The Intel 8088 ("''eighty-eighty-eight''", also called iAPX 88) microprocessor is a variant of the Intel 8086. Introduced on June 1, 1979, the 8088 has an eight-bit external Bus (computing), data bus instead of the 16-bit computing, 16-bit bus of ...

processor, it was equipped with a basic

graphical user interface The GUI ( "UI" by itself is still usually pronounced . or ), graphical user interface, is a form of user interface that allows User (computing), users to Human–computer interaction, interact with electronic devices through graphical icon (comp ...

, stored in its 48 KB of

ROM Rom, or ROM may refer to: Biomechanics and medicine * Risk of mortality, a medical classification to estimate the likelihood of death for a patient * Rupture of membranes, a term used during pregnancy to describe a rupture of the amniotic sac * ...

. The operating system used a

FORTH Forth or FORTH may refer to: Arts and entertainment * ''forth'' magazine, an Internet magazine * ''Forth'' (album), by The Verve, 2008 * ''Forth'', a 2011 album by Proto-Kaw * Radio Forth, a group of independent local radio stations in Scotla ...

-like interpreter to generate very compact code. An internal 300-baud

modem A modulator-demodulator or modem is a computer hardware device that converts data from a digital format into a format suitable for an analog transmission medium such as telephone or radio. A modem transmits data by modulating one or more c ...

was standard. A compact

printer Printer may refer to: Technology * Printer (publishing), a person or a company * Printer (computing), a hardware device * Optical printer for motion picture films People * Nariman Printer (fl. c. 1940), Indian journalist and activist * James ...

that attached to the rear of the machine was an option. The machine's included software was a

terminal Terminal may refer to: Computing Hardware * Terminal (electronics), a device for joining electrical circuits together * Terminal (telecommunication), a device communicating over a line * Computer terminal, a set of primary input and output devic ...

program, MS-DOS, and

MBasic MBASIC is the Microsoft BASIC implementation of BASIC for the CP/M operating system. MBASIC is a descendant of the original Altair BASIC interpreters that were among Microsoft's first products. MBASIC was one of the two versions of BASIC bundled ...

(a version of the

BASIC BASIC (Beginners' All-purpose Symbolic Instruction Code) is a family of general-purpose, high-level programming languages designed for ease of use. The original version was created by John G. Kemeny and Thomas E. Kurtz at Dartmouth College ...

programming language A programming language is a system of notation for writing computer programs. Most programming languages are text-based formal languages, but they may also be graphical. They are a kind of computer language. The description of a programming l ...

). An Office Pack of four applications—

Sorcim Sorcim was an early start-up company in Silicon Valley, founded in June 1980 by Richard Frank, Paul McQuesten, Martin Herbach, Anil Lakhwara, and Steve Jasik - all former Control Data Corporation employees working in the Language Group in Sunnyva ...

SuperCalc SuperCalc is a CP/M-80 spreadsheet application published by Sorcim in 1980. History VisiCalc was the first spreadsheet program but its release for the CP/M operating system ran only on the HP-125, Sharp MZ80, and the Sony SMC-70. SuperCalc wa ...

and SuperWriter, and pfs:File and pfs:Report—was optional. It was far smaller than competing

IBM compatible IBM PC compatible computers are similar to the original IBM PC, XT, and AT, all from computer giant IBM, that are able to use the same software and expansion cards. Such computers were referred to as PC clones, IBM clones or IBM PC clones. ...

portables, such as the

Compaq Portable The Compaq Portable was an early portable computer which was one of the first IBM PC compatible systems. It was Compaq Computer Corporation's first product, to be followed by others in the Compaq Portable series and later Compaq Deskpro seri ...

, which were the size of a portable

sewing machine A sewing machine is a machine used to sew fabric and materials together with Thread (yarn), thread. Sewing machines were invented during the first Industrial Revolution to decrease the amount of manual sewing work performed in clothing companies. ...

and weighed more than twice the Gavilan's 4 kg (9 lb), and unlike the Gavilan they could not run off batteries. Gavilan claimed the SC could run up to nine hours on its built-in nickel-cadmium batteries. Jack Hall, an award-winning industrial designer, was chosen to work out the

ergonomics Human factors and ergonomics (commonly referred to as human factors) is the application of psychological and physiological principles to the engineering and design of products, processes, and systems. Four primary goals of human factors learnin ...

, mechanics and overall appearance of the Gavilan. An extremely compact printer module was the result of a collaboration between Hall Design and

C. Itoh is a Japanese corporation based in Umeda, Kita-ku, Osaka and Aoyama, Minato, Tokyo. It is one of the largest Japanese ''sogo shosha'' (general trading companies). Among Japanese trading companies, it is distinguished by not being descende ...

of Japan. Additionally, several patentable features such as the unique display hinge and printer attachment mechanism were embodied in the design. The Gavilan sported an

LCD A liquid-crystal display (LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals combined with polarizers. Liquid crystals do not emit light directly but i ...

display with an unusual resolution of 400×64

pixel In digital imaging, a pixel (abbreviated px), pel, or picture element is the smallest addressable element in a raster image, or the smallest point in an all points addressable display device. In most digital display devices, pixels are the s ...

s. It included a pioneering

touchpad A touchpad or trackpad is a pointing device featuring a tactile sensor, a specialized surface that can translate the motion and position of a user's fingers to a relative position on the operating system that is made output to the screen. Touch ...

-like pointing device, installed on a panel above the keyboard. It used static CMOS memory, and came with 64

kilobytes The kilobyte is a multiple of the unit byte for digital information. The International System of Units (SI) defines the prefix '' kilo'' as 1000 (103); per this definition, one kilobyte is 1000 bytes.International Standard IEC 80000-13 Quantit ...

standard. Memory was expandable through plug-in modules, for which there were four slots available (each 32 KB "CapsuleRam" module cost and included a backup battery); these slots could also be used for software ROM cartridges. With standards for microfloppy drives still emerging, Gavilan was designed to accommodate both a 3.0-inch 320 KB microfloppy drive as well as a 3.5-inch floppy drive. Slow sales, due to the as yet undeveloped market for laptops, caused Gavilan Computer Corp. to declare

Chapter 11 Chapter 11 of the United States Bankruptcy Code ( Title 11 of the United States Code) permits reorganization under the bankruptcy laws of the United States. Such reorganization, known as Chapter 11 bankruptcy, is available to every business, whet ...

bankruptcy with

cash flow A cash flow is a real or virtual movement of money: *a cash flow in its narrow sense is a payment (in a currency), especially from one central bank account to another; the term 'cash flow' is mostly used to describe payments that are expected ...

problems. The company ceased operations in 1985.

Reception

BYTE The byte is a unit of digital information that most commonly consists of eight bits. Historically, the byte was the number of bits used to encode a single character of text in a computer and for this reason it is the smallest addressable unit ...

'' in June 1983 called the Gavilan "a traveling professional's dream come true ... tpromises to set new industry standards, not only for truly portable computers, but also for integration of applications software".

References

External links

Oldcomputers.net:Gavilan SC

* ttp://www.atarimagazines.com/creative/v10n1/38_14_notebook_computers_in_.php 1984 article reviewing various pocket and portable computers, including the Gavilan* {{Citation , url = http://vintage-laptops.com/?page_id=52&lang=en , contribution = Gavilan SC, 360 degree model , title = Vintage Laptop Museum , type = museum. Laptops History of computing hardware Computer-related introductions in 1983