Comparing Features of Windows Sound System 1.0, 1.0a, and 2.0

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Version 1.0

• Supported exclusively under Microsoft Windows versions 3.1 and later
• Supports Windows Sound System sound card only
• ProofReader supports Microsoft Excel versions 3.0 and later and Lotus versions 1.0, 1.0a, and 1.10.01

Version 1.0a

• Supports the Windows Sound System sound card only
• Introduced single-mode direct memory access (DMA)
• Corrected problems with the Symphony chip set
• Compatible with Coda's Finale software version 2.2
• Supports games in MS-DOS with a special system disk
• Supports SoundBlaster-compatible games through the Configuration icon
• Games designed to support the Ad Lib card should run
• Separate icons for volume control and record control
• Invalid IRQs can incorrectly be selected.
• CTRL+ALT+PGUP- and CTRL+ALT+PGDN-controlled volume in MS-DOS-based games
• Replaces standard Windows 3.1 Audio Compression Manager
• ProofReader supports Lotus for Windows versions 1.0, 1.0a, and 1.1.01

Version 2.0

• Supports OEM sound cards (Media Vision, Creative Labs, ESS)
• Controls the sound volume in some MS-DOS-based games
• Supports MS-DOS-based games in full-screen mode. The Windows Sound System drivers are located in the Drivers area of Control Panel.
• WSSXLAT requires EMM386.EXE version 4.47 or later. No other memory managers are supported.
• ProofReader supports Lotus for Windows versions 1.0, 1.0a, 1.1.01, and 4.0