UPFRONT Editor: Brad Whitworth HP Graphics Play Heavy Role Art Director: a Annette Yatovitz in Box-Office Smash
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Wikipedia: Design of the FAT File System
Design of the FAT file system A FAT file system is a specific type of computer file system architecture and FAT a family of industry-standard file systems utilizing it. Developer(s) Microsoft, SCP, IBM, [3] The FAT file system is a legacy file system which is simple and robust. It Compaq, Digital offers good performance even in very light-weight implementations, but Research, Novell, cannot deliver the same performance, reliability and scalability as some Caldera modern file systems. It is, however, supported for compatibility reasons by Full name File Allocation Table: nearly all currently developed operating systems for personal computers and FAT12 (12- many home computers, mobile devices and embedded systems, and thus is a bit version), well suited format for data exchange between computers and devices of almost FAT16 (16- any type and age from 1981 through the present. bit versions), Originally designed in 1977 for use on floppy disks, FAT was soon adapted and FAT32 (32-bit version used almost universally on hard disks throughout the DOS and Windows 9x with 28 bits used), eras for two decades. Today, FAT file systems are still commonly found on exFAT (64- floppy disks, USB sticks, flash and other solid-state memory cards and bit versions) modules, and many portable and embedded devices. DCF implements FAT as Introduced 1977 (Standalone the standard file system for digital cameras since 1998.[4] FAT is also utilized Disk BASIC-80) for the EFI system partition (partition type 0xEF) in the boot stage of EFI- FAT12: August 1980 compliant computers. (SCP QDOS) FAT16: August 1984 For floppy disks, FAT has been standardized as ECMA-107[5] and (IBM PC DOS 3.0) ISO/IEC 9293:1994[6] (superseding ISO 9293:1987[7]). -
1985 , Volume , Issue Apr-1985
HEW LET"TPACKARD CD ei APRIL 19B5 © Copr. 1949-1998 Hewlett-Packard Co. HEW LETT-PACKARD UlÕs)LJ-Ú April 1985 Volume 36 • Number 4 Articles 4 A Low-Cost, Compact, Block-Mode Computer Terminal, by Jean-Louis Chapuis and Michèle in Reliability and ergonomic considerations were given high priority in its design. 7 A Reliable, Low-Cost Keyboard Interface Mechanical Design of a Low-Cost Terminal, by Michel Cauzid Integral display tilt 8 and swivel mechanisms anda detached low-profile keyboard help it adapt to users' needs. 9 VLSI Design in the HP 2392A Terminal, by Jean-Jacques Simon The cost of the CRT control function was reduced 80% by integrating it in a single VLSI chip. 13 A Fast Gate Array Companion for a CRT Controller 15 How to Scroll Smoothly 1O Fully Automated Production of Display Terminal Printed Circuit Assemblies, by D Christian-Marcel Dulphy DIP and axial inserters install 103 components and a six-axis robot inserts 41 more. 1O A Low-Cost, Reliable Analog Video Display Terminal Design, by Rene Martinelli and O Jean Yves Chatron A small cabinet with no fan made heat dissipation a major concern. 23 Authors An Intelligent Plotter for High-Throughput, Unattended Operation, by Martin L Stone, Peter L transparency JefferyW. Groenke, andTodd L Russell A cut-sheet paper or transparency feeder graphics 6g pen acceleration enable users to get multiple copies of presentation graphics quickly and easily. Low-Mass, Low-Cost Pen-Lift Mechanism for High-Speed Plotting, by Tammy V. Herr and Hatem E. Mostafa An adaptive pen up/down cycle reduces pen nib wear without sacrificing plotting speed. -
A Decade of Semiconductor Companies : 1988 Edition
1988 y DataQuest Do Not Remove A. Decade of Semiconductor Companies 1988 Edition Components Division TABLE OF CONTENTS Page I. Introduction 1 II. Venture Capital 11 III. Strategic Alliances 15 IV. Product Analysis 56 Emerging Technology Companies 56 Analog ICs 56 ASICs 58 Digital Signal Processing 59 Discrete Semiconductors 60 Gallium Arsenide 60 Memory 62 Microcomponents 64 Optoelectronics 65 Telecommunication ICs 65 Other Products 66 Bubble Memory 67 V. Company Profiles (139) 69 A&D Co., Ltd. 69 Acrian Inc. 71 ACTEL Corporation 74 Acumos, Inc. 77 Adaptec, Inc. 79 Advanced Linear Devices, Inc. 84 Advanced Microelectronic Products, Inc. 87 Advanced Power Technology, Inc. 89 Alliance Semiconductor 92 Altera Corporation 94 ANADIGICS, Inc. 100 Applied Micro Circuits Corporation 103 Asahi Kasei Microsystems Co., Ltd. 108 Aspen Semiconductor Corporation 111 ATMEL Corporation 113 Austek Microsystems Pty. Ltd. 116 Barvon Research, Inc. 119 Bipolar Integrated Technology 122 Brooktree Corporation 126 California Devices, Ihc. 131 California Micro Devices Corporation 135 Calmos Systems, Inc. 140 © 1988 Dataquest Incorporated June TABLE OF CONTENTS (Continued) Pagg Company Profiles (Continued) Calogic Corporation 144 Catalyst Semiconductor, Inc. 146 Celeritek, Inc. ISO Chartered Semiconductor Pte Ltd. 153 Chips and Technologies, Inc. 155 Cirrus Logic, Inc. 162 Conductus Inc. 166 Cree Research Inc. 167 Crystal Semiconductor Corporation 169 Custom Arrays Corporation 174 Custom Silicon Inc. 177 Cypress Semiconductor Corporation 181 Dallas Semiconductor Corporation 188 Dolphin Integration SA 194 Elantec, Inc. 196 Electronic Technology Corporation 200 Epitaxx Inc. 202 European Silicon Structures 205 Exel Microelectronics Inc. 209 G-2 Incorporated 212 GAIN Electronics 215 Gazelle Microcircuits, Inc. 218 Genesis Microchip Inc. -
Características Impresora HP 2100
HP LaserJet 2100, HP LaserJet 2100 2100 2100M M, 2100TN 2100 Printers TN Printers User Guide • User Guide Copyright© 1998 Hewlett-Packard Co. Printed in Germany Manual Part No. C4170-90901 *C4170-90901* Printed on *C4170-90901* Recycled Paper C4170-90901 HP LaserJet 2100, 2100 M, and 2100 TN Printers User Guide _________________ © Copyright Hewlett-Packard Warranty Trademark Credits Company 2002 The information contained in Adobe®, Acrobat®, PostScript®, All Rights Reserved. this document is subject to and Adobe Photoshop® are Reproduction, adaptation, or change without notice. trademarks of Adobe Systems translation without prior written Hewlett-Packard makes no Incorporated which may be permission is prohibited, except warranty of any kind with registered in certain as allowed under the copyright respect to this information. jurisdictions. laws. HEWLETT-PACKARD Arial®, Monotype®, and Times Publication number: SPECIFICALLY DISCLAIMS New Roman® are U.S. THE IMPLIED WARRANTY OF C4170-90901 registered trademarks of the MERCHANTABILITY AND Monotype Corporation. Second Edition, January 2002 FITNESS FOR A PARTICULAR PURPOSE. CompuServe™ is a U.S. trademark of CompuServe, Inc. Hewlett-Packard shall not be liable for any direct, indirect, Helvetica™, Palatino™, Times™, incidental, consequential, or and Times Roman™ are other damage alleged in trademarks of Linotype AG and/ connection with the furnishing or or its subsidiaries in the U.S. use of this information. and other countries. Microsoft®, MS Windows, Windows®, and Windows NT® are U.S. registered trademarks of Microsoft Corporation. LaserWriter® is a registered trademark of Apple Computer, Inc. TrueType™ is a U.S. trademark of Apple Computer, Inc. ENERGY STAR® is a U.S. -
Don Maslin CP/M Collection
http://oac.cdlib.org/findaid/ark:/13030/c8ws90bd No online items Guide to the Don Maslin CP/M collection Finding aid prepared by Rita Wang and Sydney Gulbronson Olson, 2017. Elena Colón-Marrero, and Pennington Ahlstrand, 2020. Processing of this collection was made possible through generous funding from the National Archives' National Historical Publications & Records Commission: Access to Historical Records grant. Computer History Museum 1401 N. Shoreline Blvd. Mountain View, CA, 94043 (650) 810-1010 [email protected] August 2020 Guide to the Don Maslin CP/M X6817.2013 1 collection Title: Don Maslin CP/M collection Identifier/Call Number: X6817.2013 Contributing Institution: Computer History Museum Language of Material: English Physical Description: 29.5 Linear feet,19 record carts, 6 software boxes, and 1 periodical box Date (bulk): Bulk, 1977-1984 Date (inclusive): 1973-1996 Abstract: The Don Maslin CP/M collection consists of software and published documentation ranging from 1973 to 1996, with the bulk being from 1977 to 1984. About half of the collection consists of software in floppy disk and cassette formats. Most of this portion of the collection pertains to CP/M and applications that were written for the CP/M operating system. The other half of the collection contains text documentation such as reference manuals and user guides for a variety of software and hardware. A significant portion of the text is related to hardware, some of which was donated with this collection and is cataloged separately. Notable companies in this collection include Advanced Computer Design, Advanced Digital Corporation, Epson, Hewlett-Packard, IBM, MicroPro, and Tektronix. -
Measure for the Men and Women Or Hewlett-Packard F MAY 19N
Measure For the men and women or Hewlett-Packard f MAY 19n • ICs the HP way (pages 2-6) • Revised Corporate Objectives (pages 7-10) • The role of enterprise (pages 11-13) • Lucky young lady (pages 14-15) The miracle in asmall package HP's big stake in the Ie revolution o The introduction of HP's 9100A desktop calculator in 1968 was hailed as a technological milestone. The 91 OOA could solve problems in science and engi neering that had been beyond the reach of earlier electronic calculators, even In a speech to Stanford graduate stu outperforming some computers of its day. It could be programmed with mag dents and alumni last November, HP netic cards so that complex problems could be solved with a fe\'l keystrokes. Executive Vice President John Young And it was no bigger than an office typewriter. which was quite an accomplish commented on the dramatic progress of ment at the time. IC technology. "In 1960," he said, "simple minicomputers would typically need Today that same capability - and a little more - is packed in a pocket 10,000 separate, discrete transistors, each sized, battery-powered version, the HP-67. It weighs only 11 ounces - 58 times made on a single chip of silicon. Then less than the 9100A. came the integrated circuit revolution. By The reason for this tremendous reducing act in less thEm a decade? Inte 1965 there were commercially available grated circuits. Tiny devices that combine thousands of circuit elements on a ICs that combined about ten transistors, single silicon chip. The Ie, third-generation descendant of the vacuum tube with all their interconnections. -
Microprogramming and Its Relationship to Emulation and Technology*
MICROPROGRAMMING AND ITS RELATIONSHIP TO EMULATION AND TECHNOLOGY* Samuel H. Fuller and Victor R. Lesser Carnesie-Mellon University Pittsburgh, Pennsylvania C. Gordon Bell and Charles Kaman Digital Equipment Corporation Maynard, Massachusetts ABSTRACT data paths; or features of a processor's realization, such as the speed of main memory to that of the control (micro-) This paper is a survey of the development and future memory, are easily rejected on the basis of existing trends in rnicroprograrnrning. We show how the structure of processors that are commonly recosnized to be rnicroprograrnmed processors has been shaped primarily by microprogramrned processors yet do not possess the required two factors= the state of (semiconductor) technology and the features. task of emulation. The other main theme of this article is that it is a fruitless exercise to try to characterize and understand Most of this confusion in alternative definitions of microprograrnming in terms of how it differs from 'regular' microprograrnrning comes from the fact that it has been used programming. The right approach to understanding in two very different ways: (1) in a technological manner to microprogramrning is to recognize that it is primarily applied economically implement a complex instruction set or a small to the task of emulation (interpretation). Through this number of different instruction sets on a single processor, approach the evolution of rnicroprograrnming, independent of and (2) in a software manner to provide programmers with an a particular technology and type of instruction set being extra degree of representational freedom, i.e. develop emulated, is reviewed and future trends indicated. multiple instruction sets, each one appropriate for a particular task domain. -
HP3000 Evolution
HP3000 Evolution -Homestead -Tune Up -Migrate Edited by Bob Green. From articles written by Robelle, by The 3000 Newswire, and by experts in the HP 3000 field: Chris Edler, Paul Edwards, Marius Schild, Neil Armstrong, John Burke, Alan Wyman and Alan Heter, Stan Sieler and Gavin Scott, Ken Robertson, Eugene Volokh (VESoft), Alfredo Rego, Fred White, Steve Hammond, Wayne Boyer, Alan Yeo, Gunnar Fredlund, Terry O'Brien, Michael Marxmeier, Aaron Holmes, Dave Lo, and Glenn Cole. Copyright © 2003-2004 Robelle Solutions Technology Inc. Articles included in this book are courtesy of individual authors and respective copyright owners. Original copyrights are applicable to each article. Updated Friday, May 07, 2004 Qedit and Suprtool are trademarks of Robelle Solutions Technology Inc. HP is a trademark of the Hewlett-Packard Company. Windows is a trademark of Microsoft Corporation. Other product and company names mentioned herein may be the trademarks of their respective owners. PRINTED IN CANADA Robelle Solutions Technology Inc. 7360 137 Street, Suite 372 Surrey, B.C. Canada V3W 1A3 Phone: 604.501.2001 Fax: 604.501.2003 E-mail: [email protected] E-mail: [email protected] Web: www.robelle.com Contents Introduction 1 Migrate, Homestead, or Evolve?................................................................................................1 The Future....................................................................................................................2 Updates to HP 3000 Evolution ....................................................................................3 -
HP 2100 Simulator User's Guide
HP 2100 Simulator User’s Guide 29-Apr-2021 COPYRIGHT NOTICE The following copyright notice applies to the SIMH source, binary, and documentation: Original code published 1993-2012, written by Robert M Supnik Copyright © 1993-2012, Robert M Supnik Copyright © 2012-2021, J. David Bryan Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. Except as contained in this notice, the names of the authors shall not be used in advertising or otherwise to promote the sale, use, or other dealings in this Software without prior written authorization from the authors. 1 1 Introduction.......................................................................................................................................4 -
Parallel Processing This Issue We Have Three Articles on the Transputer, a Processor Specially Designed for Parallel Processing
No. 38 Nov./Dec.1987 $3.95 THE M CR 0 T E C H N CAL J 0 URN A L Parallel Processing This issue we have three articles on the transputer, a processor specially designed for parallel processing. The articles cover the transputer, communications between transputers, and creating a parallel C compiler. Series begins on page 6 Laser Printers, Typesetters .' I And Page Definition Languages page 20 The problems designers (and purchasers) face getting information onto paper. Magic In The Real World page 28 What can you do with a $20 PC parallel card? A lot! Bruce tells you how. Build A Graphics Scanner For $6.00, Part 2 page 42 This time, John covers the hardware construction and begins the software. In Depth Turbo C · page 56 Writing a resident-program extractor entirely in C. I o 7 '''''''I'''I'U'L.I:6ne;r~: ~ltie;'high~s(,<:;,:·· ,: •.• ;~:.p,~rfofmance·aJld,:fntegration ·.of !;~t;.ahY:: PC/XT compatible. With its jS::: ;,'1()M Hz,· zero wait state . 'operation it walks away from AT compatibles as well. On board is one megabyte of DRAM, a real time clock, floppy disk controller, and optional one or two serial ports, SCSI port and 8087. The PC Tech SmartBIOS provides PC compatability with ease of use. We wrote it and we support it! PRICES! i#';"Ma\H~'¢o~r~cessor for X16B ::,::JheX16:8087 Math Coprocessor runs at full CPU speed. That's X16B I 1 Meg I RTC .... $600.00 ;:;;,r:;,10MHzofnumber smashing power! The Math Coprocessor on the 8 M Hz version ..... -
MESSAGE from YOUR EDITOR. . . MAKE WAY for REMOTE PROCESSING Programmable Controller Joins HP's 3000 Lineup ONE SYSTEM
JULYIAUGUST 1974 Volume 1 Number 4 A 'MINI' MESSAGE FROM YOUR creases the number of channels to 31. Memory EDITOR. I can also be expanded to 32K. The 30300A is accessed through the file system of the 3000 Multiprogramming Executive (MPE) and can be located up to 250 feet away. User-written programs can monitor and control the application program executing the Controller, thanks to the supplied software. Data transfer be- tween the Controller and 3000, besides Controller operation, works through 3000 and 2100 appli- cation programs. HP terminals can access an application program, provide terminal control of the controller, and direct input and output. Programs loaded by the Controller can be stored as 3000 files in absolute binary format, and can be down-loaded from the 3000 to the Controller. The absolute binary code is automatically loaded into the 2100 and executed. The link between 3000 application programs and the Controller is imme- diately established and ready for data transfer or command information flow. Contact your local sales representative for details. New "Computer News" Editor Linda Schefter. Welcome to Hewlett-Packard's fourth "Computer News" editon - and my first! I'm Linda Schefter and recently joined the HP family as editor of this newsletter. I'm excited about our pi-oducts and hope you will be, too. With the changeover, we skipped our April/May edition, but filled this issue with lots of HP news we want to share with all of you. MAKE WAY FOR REMOTE PROCESSING Programmable Controller Joins HP's 3000 Lineup Another addition to the HP 3000 family? Now HP HP's new 21MX series for OEM's. -
A Revised I/O Simulation for the HP 21Xx/1000 J
A Revised I/O Simulation for the HP 21xx/1000 J. David Bryan, 14-Nov-2008; updated 5-Apr-2011 The HP 2100 simulator for the 21xx and 1000 series of machines originally modeled I/O interface communication with the CPU by dispatching I/O instructions to the interfaces for action. A revised model, based on dispatching I/O backplane signals, has been implemented to solve several problems inherent in the original design. The HP I/O Hardware Structure The structure of the I/O system is compatible across all HP 21xx/1000-M/E/F systems. The I/O backplane distributes a 16-bit data output path, a 16-bit data input path, and control and timing signals to the interface cards. All I/O card slots are electrically interchangeable, and an interface derives its I/O address (select code) from the slot into which it is installed. Lower-numbered slots have interrupt priority over higher-numbered ones. An I/O timing cycle is divided into five periods, designated T2 through T6. On the early machines (2114-2116), these form a subset of, and are synchronous with, the machine cycle that occupies T0-T7. On the later microprogrammed machines (2100 and 1000), each microcycle occupies one T-period; the micromachine runs asynchronously with the I/O subsystem and synchronizes whenever an I/O micro- order is executed. Backplane signals are asserted during specific T-periods to control the timing of the interfaces. The basic device control structure of a typical HP interface consists of a control and a flag flip-flop.