The following is a product history for Microsoft Windows versions 1.x, 2.03, 2.1, 2.11, 3.0, 3.0a, 3.1, and 3.11: Version Date Requirements ------- ---- ------------ 1.01 11/85 - MS-DOS version 2.0 - Two double-sided disk drives or a hard disk - 256K of memory or greater - Graphics-adapter card 1.03 8/86 Requirements - MS-DOS version 2.0 - Two double-sided disk drives or a hard disk - 320K of memory or greater - Graphics-adapter card Changes: - MS-DOS version 3.2 support - Enhanced keyboard support - AT&T 6300 and AT&T 6300 Plus support - 14-, 18-, and 24-point sizes added to TimesRoman and Helvetica fonts - Generic/Text Only printer driver added - PostScript printer driver added - .WRI extension used for Windows Write files (version 1.01 used .DOC extension) - Support for all features of the international version DDL 1/87 Windows Device Driver Library Volume 1 Additional support for display devices, printers, and pointing devices added 1.04 4/87 Requirements - MS-DOS version 2.0 - Two double-sided disk drives or a hard disk 320K of memory or greater - Graphics-adapter card Changes - IBM Personal System/2 support - COMM.DRV revised to support ept port for IBM 3812 Pageprinter - HP downloadable soft font support 2.03 11/87 Requirements - MS-DOS version 3.0 - Two double-sided disk drives or a hard disk - 512K of memory or greater - Graphics-adapter card Changes - Overlapping windows instead of tiled windows - LIM Version 4.0 expanded memory support - Dynamic Data Exchange (DDE) support - SMARTDrive disk-cache program included - Revised .FON format for screen fonts - NEWFON.EXE included to convert 1.x font format to 2.x font format - Revised Paint file format - CVTPAINT.EXE included to convert 2.x Paint file format to 1.x format - About command moved to File menu from System menu - Printer Timeouts option added to Control Panel - Mouse Acceleration option added to Control Panel - Warning Beep toggle added to Control Panel - Notepad About command reports - Remaining Free Space - 3812 Pageprinter no longer supported 2.10 5/27/88 Requirements - 512K Memory - MS-DOS version 3.0 or later - One floppy-disk drive AND one hard disk (note that a hard disk is now required) - Graphics adapter card (the box notes: IBM EGA, IBM VGA, IBM 8514, IBM CGA, Hercules Graphics Card, or compatibles) - Use of the Microsoft Mouse is optional - Packaged with 5.25-inch 1.2 megabyte disks OR 3.5-inch 720K disks, plus an order form for free 360K 5.25-inch disks Changes - New HIMEM.SYS driver allowing the use of the first 64K of extended memory to store part of Windows, giving approximately 50K additional conventional memory inside Windows - Support for approximately 65 more printers than version 2.03, bringing the total supported printers to approximately 127 - Support for additional computers - Support for additional display devices 2.11 3/13/89 Requirements Same as Version 2.1 Changes - Accounts for memory freed by XMS when computing the maximum swap size allowed - Increased minimum bankable memory required for large frame EMS - Setup program no longer terminates when incompatible driver is encountered - Setup corrected to permit set up on 512K machine with MS-DOS version 3.3 - Updated COMM.DRV to solve handshaking problems at 9600 bits per second (BPS) - Updated HPPCL.DRV driver that supports LaserJet series IID, Olivetti LP 5000, Toshiba - PageLaser 12, and Intel Visual Edge - Updated PSCRIPT.DRV driver that supports Olivetti LP 5000 in PostScript mode - Printing speed increased - Windows/386 WINOLDAP.MOD modified to support high- resolution displays Additions - AppleTalk library (must accompany the new PostScript driver) - Toshiba 24-pin printer driver - 8514/a driver for Windows/386 - /E switch to adjust large frame EMS threshold 3.0 5/22/90 Requirements 2.11 requirements plus the following: - MS-DOS 3.1 or higher - 640K Conventional Memory - 256K Extended Memory Changes - Windows runs in protected mode -- direct extended memory access - 386 enhanced mode virtual memory provides more memory than physically in RAM by swapping blocks of RAM to the hard drive. - Color palette managed by Windows 3.0 - Device-independent color bitmap support - Improved network support - New dialog boxes, system fonts, and menus - Graphical environment - New HIMEM.SYS XMS (spec. 2.0) driver. 16 MB support - EMM386.SYS expanded memory manager - 32 printer drivers supporting 170 different printers -- including HP LaserJet III series - MS-DOS programs run in a window - Three mode operation (real, standard, 386 enhanced). - Icon-based Program Manager - Tree-structured File Manager - Asymetrix Daybook 1.0a bundled 3.00a 10/31/90 Requirements Same as Windows 3.0 Changes - Maintenance release of 3.0 focusing on very specific problems with: Networking Dynamic Data Exchange Low-memory conditions Setup Extended character support for printers - Retail package shipped with Windows Q&A booklet 3.00a Multimedia Fall Extensions 1991 Requirements Multimedia PC (MPC) Specifications: - 80386 sx or dx IBM compatible - 2 megabytes RAM - VGA or higher (16 color minimum) - 30 Megabyte hard drive - CD-ROM (with audio output support) - 2-button mouse - Audio hardware Changes - Available only through hardware OEM - New device drivers to connect with specific MPC hardware. - Introduced Media Control Interface (MCI) - Enhanced Control Panel includes screen saver, video driver icon (Drivers), joystick control, driver installer, event based sound control, and MIDI mapping control - New Accessories: MPC Alarm Clock, Media Player, - Sound Recorder 3.10 4/6/92 Requirements - MS-DOS 3.1 or later - IBM compatible 80286 or higher (386 recommended) - 640K Conventional memory - 256K extended memory (XMS v 2.0 or higher) - 1024K extended memory recommended on 80286 - 2048K extended memory recommended on 80386 - 5.25-inch (high density) or 3.5-inch floppy drive - Fixed drive with 6 megabytes free (10 megabytes recommended) - EGA, VGA, SVGA, XGA, 8514/A, or Hercules video card or 100% compatible card, and monitor - Mouse recommended Changes - Available in upgrade or full package (upgrade does not require earlier version) - Improved Setup program offers express, custom, network, and troubleshooting setup - Computer-based Windows 3.1 tutorial - Consistent dialog boxes - Improved online Help - OLE Drag and drop, OLE support in many applications - Improved File Manager - Improved printer support through use of UNIdriver - New video drivers support MS-DOS graphics in a window - WD1003 virtual hard drive controller - Virtual memory changeable in Control Panel - Standard and enhanced mode operation only - TrueType scalable font support - Includes multimedia extensions (inclusions) - Includes new SMARTDrive version 4.0, HIMEM XMS manager 3.0, new EMM386.EXE - Standard mode can now run with EMM386.EXE running - Documentation includes "Getting Started" manual - 266 different types of printers supported 3.11 12/31/93 Requirements - Same as version 3.1 Changes - Certificate of Authenticity - More sophisticated hologram and an MS (3M) sticker on box - An 800 number to call (in the United States & Canada) and check for product legitimacy - Updated drivers - Five updated core files - NetWare support files (from Novell)