AT&T PERSONAL COMPUTER MODEL G300 PLUS

The PC 6300 PLUS represents for the multi-tasking and net- ment to protect our customers' the newest generation of per- working needs of tomorrow's investment in AT&T equipment sonal computers. Designed for office environment. Using OS both now and in the future. the MS'-DOS user who wants Merge, a unique hardware/ Like other AT&T workstations, increased speed or is looking software combination, it can the PC 6300 PLUS offers the ahead to more sophisticated run MS-DOS concurrently with option of integrated voice and programming needs, the PC UNIX System V. And managing data communications, high- 6300 PLUS is one of the most MS-DOS files and applications resolution graphics, and con- powerful 80286-based personal under UNIX System V provides nectivity to IBM mainframes, computers ever produced. The even the non-UNIX user with System 75/85, Mer/inTM , the PC 6300 PLUS not only runs MS- an enhanced MS-DOS operat- AT&T STARLAN NETWORK, and DOS programs, but it runs them ing environment. ISN. up to 25% faster than the IBM® The PC 6300 PLUS is compatible PC AT. This, together with With its high performance and with the AT&T PC 6300, the IBM other features, makes it an multi-tasking capabilities, the PC and the PC XT ®. Thus it is MS-DOS price-performer PC 6300 PLUS is the right choice compatible with the most unmatched by any competitive for your computing needs both popular PC software, periphe- system available today. today and tomorrow. rals and expansion boards on The PC 6300 PLUS also runs the market today. An upgrade *MS-DOS 3.1 is available now. UNIX TM System V*, the advanced for the PC 6300 is available, UNIX System V will be available operating system ideally suited demonstrating AT&T's commit- in the first quarter of 1986.

Highlights Performance • The PC 6300 PLUS runs your MS-DOS software up to three ti mes faster than the IBM PC and PC XT. Optimized memory circuitry, coupled with the advanced 80286 microprocessor, allows your MS- DOS applications to run at state-of- the-art speed.

True Multi Tasking . f r ♦ • With optional UNIX System V, ...... there is no need to interrupt an ongoing MS-DOS application to handle a phone call, look up another file, print data, or receive electronic mail. An MS-DOS appli- cation and multiple UNIX System applications are fully concurrent and continue to run in "back- ground" when new tasks are activated. (Highlights continued on next page) (Highlights continued from previous page) Communications Options Keyboard Merged Operating Systems • The AT&T Communications • New keyboard has a Selectric® • OS Merge, a unique proprietary Manager permits simultaneous layout, 10 function keys across the hardware and software feature, voice and data communications, top, 1 5-digit numeric keypad, OS permits a seamless transition from call directory, speed dialing, and Merge key, and status indicator MS-DOS to UNIX System V. No call status. li ghts for Num Lock and Caps Lock shutdown, re-booting, or other keys. The PC 6300 keyboard is also Display interruption disturbs the user's available. • 12" monochrome or color mon- work flow. itor displays high-quality multiple Ease of Use character and graphics modes. • The User Interface available with UNIX System V allows easy access Hardware Features to both MS-DOS and UNIX capa- Central Processing Unit bilities through a series of windows and menus that provide choices in Chip Intel® 80286 everyday language. Clock speed 6 Mhz Data Bus/Architecture 1 6 bit/16 bit Enhanced Functionality Address bus 20 bit (real mode) • The PC 6300 PLUS's unique ability 24 bit (protected mode) to run MS-DOS and UNIX concur- rently brings you attractive new Memory features and functionality. UNIX Motherboard 512 KB standard, 1 MB maximum System V's security features enable Expandability 7 MB maximum you to control access to all of your MS-DOS and UNIX directories, Storage data files and applications pro- Floppy Disk Drive 1.2 MB 96 tpi and/or grams, even if you share your 360 KB 48 tpi machine with other users. Hard Disk 20 MB half-height With UNIX System V you can send Ports & Expansion Slots and receive electronic mail while the machine is unattended or Serial Port (standard) , EIA RS232C, while working on another task, asynchronous to 9600 baud print several documents or back up Parallel Port (standard) 25-pin Centronics® ® files without stopping your work, Slots 7, IBM PC XT compatible or even run an MS-DOS program (3 can accept 16-bit PC 6300 PLUS automatically while you are away boards) from your desk. Communications Options Upgrade for PC 6300 Data Communications 3270/2780 SNATV /BSCTM , 3270 • A PC 6300 can be upgraded to SNA/SDLC TM , 3270 BSC, 3780/2780 RJE, a PC 6300 PLUS with a simple 3278 COAX replacement of boards—yet Telephony/Data AT&T Communications Manager another proof of AT&T's commit- Communications ment to protect customers' invest- ment in hardware as well as Physical Characteristics software. Dimensions (main unit) 15" x 15" x 6" Expandability Power Requirements 1 00-120 V +/– 10% • Serial and parallel ports, high- 50-60 Hz +/– 5% resolution color graphics support, Operating Envi ronment and clock-calendar are built into the PC 6300 PLUS. Seven slots Temperature 50-104 degrees F operating accept most popular expansion 40-140 degrees F non-operating boards. Humidity 20-80% operating 5-95% non-operating Altitude 0-10,000 feet operating 0-30,000 feet non-operating Hardware Features anc' Options Peripherals UNIX System V (available • The PC 6300 PLUS is compatible 1 Q86): Central Processing Unit with the following printers/plotters: • The Intel 80286 processor is a AT&T UNIX System V Software chip with the speed and power to Parallel port: This basic package includes the support the PC 6300 PLUS's out- User Interface, OS Merge, asyn- standing performance and flexibil- AT&T Model 455 chronous communications, diag- ity. Advanced chip capabilities, in AT&T Model 457 AT&T Model 473 nostics, and support for keyboard conjunction with the unique fea- AT&T Model 474 and mouse. Enhancements under tures of OS Merge, ensure that AT&T Model 478 UNIX System V include automatic even the most demanding or "ill- bad block handling, file system behaved" MS-DOS applications AT&T Model 479 ® hardening, simple administration can run smoothly under the UNIX Epson FX series menus, and file and record locking. operating system. Epson MX series AT&T Software Development Optional Math Co-Processor Epson RX series Package • The PC 6300 PLUS supports the IBM Graphics printer Gemini® 1OX/15X Intel 80287 math co-processor for ® The software development set pro- Okidata Microline series improved performance in heavily ® vides the fundamental UNIX NEC Spinwriter mathematical applications. By System V building blocks for C ITOH ® 8510 executing mathematical functions, professional applications software the 80287 optimizes the perform- Serial port: development, including a C lan- ance of the 80286 as well. guage compiler, loader and linker, AT&T Model 455 an assembler, and a UNIX System Memory Enhancements AT&T Model 458 V development tool set (SCCS, • The motherboard accepts addi- AT&T Model 475 MAKE, YACC, lex, etc.). tional 256 KB RAM chips for a AT&T Model 476 maximum of 1 MB. Transparent Shared File System: • Up to three RAM expansion Qume°/Sprint° 11 When both MS-DOS 3.1 and UNIX boards of 2 MB each can be added NEC 7710 System V are installed, all files for a system maximum of 7 MB. Sot -eatures and Options share a common directory struc- These boards are compatible with ture. They are viewed and treated the LOTUS-Intel AboveTM Board Operating Systems: identically, and can be accessed specifications. MS -DOS 3.1 directly or through the User Inter- Display This operating system is upward face under either operating system • The standard graphics card dis- compatible with MS-DOS 2.11 and with full file security capabilities. plays 640 x 400, 640 x 200, or effectively equivalent to PC-DOS 320 x 200 graphics modes and 3.1. It runs thousands of applica- 80 x 25 or 40 x 25 character tions programs currently on the modes on the standard mono- market. It provides file manage- chrome monitor. A color monitor is ment, support for networking, pro- available as an option. gram chaining, device driver enhancements, and many other Keyboard/Mouse features. • The new Model 302 keyboard with Selectric layout and OS Merge New networking commands in key is standard. Options include a MS-DOS 3.1 include JOIN, LABEL, two-button mouse and the Model SHARE, and SUBST. Enhanced 301 keyboard (PC 6300) with func- commands include CHMOD, SIZE, tion keys grouped on the left. and TREE, plus new subroutine li brary calls. Clock Calendar • An integrated clock-calendar with battery back-up provides instant access to the date and ti me. Applications Software Expansion Boards Warranty Service Expansion boards now available for The full strength of AT&T's nation- MS-DOS 3.1 applications now the PC 6300 PLUS include: wide service organization and available include: AT&T Communications Manager authorized dealer network sup- AT&T Business Accounting System AT&T Display Enhancement Board ports the PC 6300 PLUS. If a prob- dBase II® AST CL-432 lem requires repair or mainte- dBase Ill® AST PCOXTM nance, a user may contact the AT&T DR D rawTM SSI IRMA® Information Systems Service DR Graph TM Organization. If on-site service is Configurations DR LOGO TM required, it will be provided under The standard PC 6300 PLUS File It! ° warranty. The unit may also be taken includes system unit with choice of 513 Emulation to any AT&T authorized dealer. storage configurations, keyboard, 4410 Emulation monochrome monitor, serial and Post Warranty Maintenance Friday! TM parallel ports, clock/calendar, and Service INFORMIX® MS-DOS 3.1. AT&T Information Systems offers MS Basic Compiler several Equipment Maintenance 20 MB Hard Disk MS Cobol Hard Disk: Agreement Plans either directly or 1.2 MB Floppy Disk MS Fortran through their AT&T authorized 512 KB RAM MS Macro Assembler dealer network. Both per-occurrence MS Pascal Dual Floppy and contract plans are available. MS Word Multiplan® Disk: 360 KB Floppy Disk Product Availability -- d 1-2-3TM 1.2 MB Floppy Disk Ordering Overhead ExpressTM 512 KB RAM AT&T PC 6300 PLUS configurations PC Interface Installation are available now through AT&T RM-Cobol CompilerTM The customer may install the AT&T direct sales, VAR sales, OEM sales, RM-RunTimeTM PC 6300 PLUS, or may contract and AT&T authorized dealers. SuperCalc 3® with AT&T or an AT&T authorized ^ -mation SuperWriter® AdditionalIn dealer to install it. Instructions are For additional information on the TangoTM found in the PC 6300 PLUS Installa- AT&T PC 6300 PLUS, contact your WordStar ProfessionalTM tion Guide. local AT&T Information Systems WordStar 2000 TM Warranty d Maintenance Account Executive, local computer UNIX System V applications for the dealer, or call 1-800-247-1212. PC 6300 PLUS will be available in Warranty Period the first quarter of 1986. The AT&T PC 6300 PLUS system unit and keyboard carry a one-year warranty from the date of pur- chase; the monitor carries a 90-day warranty. AT&T Information Sys- tems, or any authorized dealer, will replace any defective part free of charge within the warranty period. Trademark and Copyright IBM and IBM PC/XT are registered trade- RM-Cobol Compiler are trademarks of Ryan Acknowledgements marks of International Business Machines McFarland. Corp. SDLC is a trademark of International Busi- Above Board is a trademark of Intel Corp. Informix is a registered trademark of Rela- ness Machines Corp. BSC is a trademark of International Business tional Database Systems, Inc. Selectric is a registered trademark of Inter- Machines Corp. Intel is a registered trademark of Intel Corp. national Business Machines Corp. Centronics is a trademark of Centronics IRMA is a registered trademark of Digital SNA is a trademark of International Business Corp. Communications Associates, Inc. Machines Corp. C ITOH is a registered trademark of C. Itoh Merlin is a trademark of AT&T. Sprint is a registered trademark of ITT. Electronics Co. Ltd. MS and MS-DOS are registered trademarks SuperCalc is a registered trademark of dBASE II/III is a registered trademark of of Microsoft Corp. Sorcim Corp. Ashton-Tate. Multiplan is a registered trademark of SuperWriter is a registered trademark of DR Draw is a trademark of Digital Research, Microsoft Corp. Sorcim Corp. Inc. NEC is a registered trademark of NEC Corp. Tango is a trademark of COST. DR Graph is a trademark of Digital Okidata is a registered trademark of OKI UNIX is a trademark of AT&T Bell Research, Inc. America Company Laboratories. DR LOGO is a trademark of Digital 1-2-3 is a trademark of Lotus Development WordStar Professional is a trademark of Research, Inc. Corp. Micropro. Epson is a registered trademark of Epson Overhead Express is a trademark of BPS WordStar 2000 is a trademark of Micropro. Corp. Business and Professional Software File It! is a registered trademark of Rela- PCOX is a trademark of AST Research, Inc. tional Database Systems, Inc. Qume is a registered trademark of ITT. Friday! is a trademark of Ashton-Tate. RM-Cobol/RunTime are trademarks of Gemini is a registered trademark of Gemini Ryan-McFarland. Software Incorporated The information in this document is subject to change without notice and should not © 1985 AT&T be construed as a commitment by AT&T. All rights reserved AT&T assumes no responsibility for any Printed in USA errors that may appear in this document.