it历史●工作站历史(英文版)(编辑修改稿)

it历史●工作站历史(英文版)(编辑修改稿)内容摘要：

x Expo is held. []  Sun Microsystems publishes its SBus i/o bus as an open specification for its workstation puters. [] December  IBM demonstrates its new line of RISC System/6000 workstations. [3] December 31  Shipments of Sun Microsystems SPARC workstations for the year: 45,000. [] 1990 January  Sun Microsystems signs an agreement to transfer the SPARC trademark to SPARC International. []  NeXT decides to redesign the NeXT puter, targeting a cheaper puter to be available by the fall. [] February  NeXT cofounder Dan’l Lewin resigns from NeXT. He is the first of the original five cofounders to resign. [] February 15  IBM unveils its new RISCbased workstation line, the RS/6000. Development work had been done under code name America for the RISC chip research, and RIOS for systems using the America technology. The architecture of the systems is given the name POWER, standing for Performance Optimization With Enhanced RISC. [] [] [] May  Toshiba unveils the first SPARC laptop, the SPARC LT. [] (month unknown)  Lotus Development introduces Improv spreadsheet program for the NeXT Computer. Price is US$695. [] September  Quote by James Clark, chairman of Silicon Graphics, on NeXT: They’re dead meat.. [] September 18  At the Davies Symphony Hall in San Francisco, NeXT unveils three new NeXT puters, including the NeXTstation using a Motorola 68040 processor. [] [] [] [] (October []) October  At the Microprocessor Forum, Motorola announces a new line of singlechip RISC processors, the first of which is to be the 88110. [] [150] [182]  IBM demonstrates the NeXTSTEP operating system running on an IBM RS/6000 workstation. [] November  LSI Logic announces the availability of SparcKIT, a SPARC chipset at speeds of 20MHz and 25MHz. [] December 31  Market share of workstation puters: Sun Microsystems, %。 HewlettPackard, %。 DEC, %. []  Shipments of Sun Microsystems workstations for the year: 130,000. []  Shipments of IBM RISC System/6000 puters for the year: 25,000. [] 1991 January  Sun Microsystems begins shipping the SPARCstation 2. []  RDI announces the availability of Macintosh emulation software for SPARC systems. [] February  Sun Microsystems creates SunSoft, a system software subsidiary. []  MIPS Technologies unveils the R4000 RISC processor architecture. [] March  NeXT begins shipping of its lowend NeXTstation color puters for US$8000. [] [] (April []) May  NeXT begins shipping of its highend NeXTstation color puters for US$14000. [] June  Ross Perot resigns from the NeXT board of directors. [] July  NeXT pletes the Japanese version of the NeXTSTEP operating system. []  Sun Microsystems introduces the SPARCstation ELC, and the SPARCstation IPX. [] August  Silicon Graphics announces the Indigo puter. [] (month unknown)  Steve Jobs agrees with his NeXT pany advisors to port the NeXTSTEP operating system to the Intel 80x86 architecture. [] September  MIPS Technologies begins shipping samples of the R4000 processor. []  Silicon Graphics begins licensing the OpenGL graphics library. []  SunSoft announces the Solaris operating system for 80x86 and SPARC architectures. [] October  Sun Microsystems begins licensing the new chipset used in the SPARCstation 2. []  MIPS Technologies officially introduces the 100MHz R4000, its 64bit RISC processor. [8] [48] November  MIPS Computer Systems announces its ARC System licensing program, consisting of a plete ARC System 100 system design, supporting ROM code, operating system drivers, and ASICs. []  Intel decides against licensing Digital Equipment’s technology in the Alpha architecture. [] December  Standards Performance Evaluation Corp (SPEC) names its integer and floating point benchmark metrics for Unix systems as SPECint and SPECfp, respectively. [] December 31  Shipments of Unix operating system for the year: million. [] 1992 January  Standards Performance Evaluation Corp (SPEC) announces availability of SPECint92 and SPECfp92 benchmark suites for Unix systems. Cost of the suite is US$900. [] [113] [] [191]  At NeXTWORLD Expo in San Francisco, NeXT announces that a version of the NeXTSTEP operating system will be made for Intel PCs. [] []  Standards Performance Evaluation Corp (SPEC) announces renaming of its Unix system benchmark metrics to include the 89 suffix, ie. SPECint89 and SPECfp89. [] (month unknown)  HewlettPackard introduces the Series 9000 Model 710 puter. It features 50MHz PARISC processor, Ether, serial, parallel, SCSI2, 16 MB RAM, 19inch 8bit grayscale monitor, for US$9490. []  HewlettPackard introduces the Series 9000 Model 705 puter. It features 35MHz PARISC processor, Ether, serial, parallel, SCSI2, 16 MB RAM, 19inch 8bit grayscale monitor, for US$4990. [] February  Ross Technology publicly previews its Pinnacle1 SPARC processor. [111] February 25  Digital Equipment unveils the 64bit Alpha processor architecture, with speed estimates of 150 million instructions per second. [] [] (month unknown)  Tadpole Technology introduces the Sparcbook portable puter. It features 832 MB RAM, 85240 MB hard drive, floppy drive, grayscale or color 640x480 monitor, 25MHz CY601 integer processor, 25MHz CY604 floating point processor, Ether port, internal 9600/2400 fax/modem, Solaris operating system, Open Windows , SoftPC to run MSDOS and MSWindows applications. Size is 12 x x 2 inches, weight is 7 pounds 1 ounce, price is US$495014850. [] March  MIPS Technologies ships the 100MHz R4000 processor. [] [150]  Silicon Graphics announces it is acquiring MIPS Computer Systems. [] (month unknown)  MIPS Computer Systems announces the Magnum 4000 and Mil。