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- IBM PC DOS VERSION 6.1
-
-
- ABSTRACT PC DOS Version 6.1 is the significantly enhanced
- primary operating system for entry-level IBM and compatible OEM personal
- computer systems. PC DOS Version 6.1 features a library of integrated DOS
- utilities that result from alliances with award-winning software vendors
- and IBM Research. The utilities include:
-
- o Disk compression *
-
- o Anti-virus
-
- o Full-screen backup
-
- o New full-screen editor
-
- o Program scheduler.
-
- PC DOS Version 6.1 provides important additional features such
- as new hardware support (PEN, PCMCIA), a memory optimizer to access more
- memory in order to run applications better, a program scheduler with a
- full-screen calendar that allows day or night program scheduling, and a
- powerful new editor that provides new capabilities, such as draw, box,
- sort and add, plus the ability to edit multiple files. In addition, the
- DOS kernel is smaller and overall performance is improved. PC DOS
- Version 6.1 extends memory expansion to 8086/88 and 80286 systems by
- providing device drivers that can utilize a wide variety of video and
- expanded memory adapters to load applications high.
-
- Two versions of the product are offered: a base product for new
- systems, and a full PC DOS Version 6.1 upgrade package capable of upgrading
- over any existing DOS (Version 2.1, or higher, installed on a hard disk) at
- a significantly reduced cost.
-
- DOS 5.02 continues to be available to customers who do not require
- PC DOS 6.1 utilities and features.
-
- * Disk compression will not be included in the product initially.
- It is planned to be available, at no additional charge, by
- September 30, 1993. To obtain disk compression after
- availability, submit the special coupon included in the product
- shipment group. Allow four to six weeks for delivery.
-
- Planned Availability Date: July 26, 1993, except disk
- compression, which has a planned availability date of September 30, 1993.
-
- IN BRIEF . . .
-
- o Improves and optimizes memory management and performance
-
- o Significantly increases the amount of data that can be stored
- on the hard disk
-
- o Improves backup performance and features
-
- o Provides robust file protection against computer viruses
-
- o Allows programs or DOS commands to run unattended with flexible
- new scheduler
-
- o Provides easy-to-use installation
-
- o Improves editing capabilities
-
- o Offers new device support with PEN extensions
-
- o Provides PCMCIA Card Services (PCMCS) support.
-
- OVERVIEW DESCRIPTION
-
- o Improves memory management and performance with enhanced EMM386
- support and a memory optimizer, RAMBoost, that automatically
- improves use of the available upper memory
-
- o Increases the amount of data that can be stored on the hard
- disk with a robust disk compression utility
-
- o Improves backup capability with a full-function, award-winning,
- full-screen backup utility with a friendly user interface and
- extensive online help; tape backup support also included
-
- o Provides industrial-strength file protection against generic
- lab, polymorphic and stealth computer viruses with a DOS
- anti-virus utility
-
- o Allows full-function generic program scheduling with a full
- screen scheduler utility with an easy-to-use calendar interface
- that supports unattended operation and makes other tools such
- as defrag, anti-virus and backup more useful
-
- o Provides powerful and flexible standard editor, E Editor, that
- edits multiple files, supports margins and tabs and includes
- macros that do addition, drawing and sorting
-
- o Provides PEN support for PEN-based systems running PEN-aware or
- PEN-unaware applications, and also allows users to write using
- the mouse without a pen
-
- o Provides Personal Computer Memory Card International
- Association (PCMCIA) II -- the new standard for
- credit-card-sized hardware options -- allowing hot
- pluggability, power management and support for a wide array
- of device drivers and utilities.
-
- USER PRODUCTIVITY
-
- User productivity is improved by significantly increasing
- application and disk storage space, improving ease-of-use in
- installation, and providing new, easy-to-use DOS utilities and
- commands.
-
- GROWTH ENABLEMENT
-
- Growth is enabled by allowing applications to easily and optimally
- utilize more of the systems memory, disk capacity, and
- compatibility with DOS extensions. In addition, PC DOS 6.1 is
- enhanced with new device support for mobile computers and
- PEN-based systems -- important new industry directions.
-
- SYSTEM MANAGEMENT
-
- Auditability, data integrity and security tools are integrated at
- low cost.
-
- INVESTMENT PROTECTION
- SUPPORTS OLD SYSTEMS AND OPTIONS: PC DOS Version 6.1 will provide
- a compatible DOS environment on the 8088/8086/80286/80386/80486
- family of products (except PCjr (TM), AT (R)/370, and XT (TM)/370)
- marketed by IBM and OEMs at PC DOS Version 6.1 general
- availability. Assuming equivalent systems configurations and
- adequate memory, applications that execute on one processor will
- execute similarly on all other processors (except for performance
- and known incompatibilities between system units).
-
- MAINTAINS INTERFACES (COMPATIBILITY): PC DOS Version 6.1 continues
- to provide an open system architecture that can be expanded via
- system extensions, device drivers and future enhancements. It also
- continues to allow applications to use DOS extensions. Application
- interfaces have been maintained and tested.
-
- PROVIDES EASY UPGRADE: PC DOS Version 6.1 provides full PC DOS
- function with installation specific programs that allow and aid
- previous IBM and compatible DOS users to upgrade to PC DOS
- Version 6.1 at a significantly lower price. A prior version of IBM
- or compatible DOS (Version 2.1, or higher) must exist on the
- installation system hard disk.
-
- PRODUCT POSITIONING
- PC DOS Version 6.1 should be considered cross-industry and in OEM
- channels as the primary operating system for the entry level IBM
- and IBM-compatible personal computer systems. PC DOS Version 6.1
- should also be considered as the operating system for non-entry
- IBM and IBM-compatible systems, when advanced solutions, very
- large memory, storage protection and multi-tasking are not
- required.
-
- The PC DOS kernel is based off the MS (1)-DOS 6 kernel and is
- compatible with Windows (1) 3.X, Windows Applications, DOS
- extenders and DOS applications.
-
- IBM is committed to DOS and DOS customers. IBM is making a
- real investment in upgrading DOS users with state-of-the-art
- utilities and hardware support (PEN, PCMCIA).
-
- PC DOS Version 6.1 features competitive, award-winning DOS
- utilities, which surpass those offered in the MS-DOS 6 product.
-
- TECHINFO TECHNICAL INFORMATION
- SPECIFIED OPERATING ENVIRONMENT
- MACHINE REQUIREMENTS: PC DOS Version 6.1 will operate on all
- Intel-based personal computers (8088, 286, 386, and higher).
-
- The minimum processor system memory required for PC DOS
- Version 6.1 installation is 512KB. A new system (one without a
- previous version of DOS installed) should also have a 720KB, 1.44MB
- or 2.88MB 3.5-inch or a 360KB or 1.2MB 5.25-inch "A:" diskette
- drive. The PC DOS Version 6.1 Upgrade requires a system with a
- prior version of DOS (Version 2.1, or higher) installed on the
- hard disk. Installation on upgrade systems can occur either from
- any diskette drive or from the network to the hard disk.
-
- PROGRAMMING REQUIREMENTS
- COMPATIBILITY: PC DOS Version 6.1 maintains upward compatibility
- with prior versions of IBM DOS. Support of functions supported on
- previous levels will be continued, unless a specific function is no
- longer supported by IBM. Functions no longer supported in PC DOS
- Version 6.1 include QBASIC and BASICA. However, QBASIC and BASICA
- from prior versions of DOS should continue to run compatibly with
- PC DOS Version 6.1.
-
- LIMITATIONS: Applications supported on previous levels of DOS
- should run compatibly with PC DOS Version 6.1. However, with
- each release of DOS, adding new features introduces some
- incompatibilities. Below is a list of changes that may cause
- compatibility problems.
-
- o A20 Gate Handling.
- DOS 5.0 toggled the A20 line on and off as needed and
- resulted in a performance penalty but aided compatibility with
- older applications that made assumptions about the state of
- A20. PC DOS Version 6.1, when loaded high (DOS=HIGH), keeps
- the A20 line enabled for performance reasons. If users find
- that this is a problem they should load DOS low (DOS=LOW).
-
- o No BACKUP.COM
- The BACKUP command has been replaced with the new
- full-screen backup program CPBACKUP. CPBACKUP is superior in
- every way to BACKUP but incompatible, both in name, switches
- and backup format. To enable users to restore backups made
- with previous releases of DOS the RESTORE command will be
- shipped as part of PC DOS Version 6.1. Also if the user has
- BACKUP.COM, it will not be deleted when PC DOS Version 6.1 is
- installed.
-
- o New SMARTDRV
- The SMARTDRV disk cache program is redesigned totally
- causing the invocation and command line options to change.
- Install will automatically make the necessary changes to
- CONFIG.SYS and AUTOEXEC.BAT.
-
- o MIRROR replaced with DATAMON
- Some of the function of the DOS 5.0 MIRROR command is
- integrated into DATAMON. Users that used to run MIRROR will
- need to run DATAMON instead.
-
- o EDIT replaced with E
- The DOS 5.0 full-screen editor EDIT is replaced in PC
- DOS Version 6.1 with E. E is superior to EDIT in
- functionality but has a different user interface. Users that
- select EDITOR from the DOSSHELL and expect EDIT will get E
- instead. Install will not delete the users DOS 5.0 EDIT and
- QBASIC so current EDIT users can still run it. E was
- purposely not named EDIT to make this possible.
-
- o No BASICA or QBASIC
- PC DOS Version 6.1 will not ship any BASIC interpreter.
- Customers that already have DOS installed can still run their
- BASIC or QBASIC product because install does not delete it.
-
- o Disk Compression
- Compressed disks represent a departure from current DOS
- versions. Users who compress their hard disk will not be able
- to boot an older version of DOS and view files on their hard
- disk. Compressed diskettes are also possible with PC DOS
- Version 6.1 but pose no compatibility problem since they
- contain a TSR program which will allow the diskette to be
- read by systems running older versions of DOS.
-