Thank you for using the OPTi931 Full Duplex Plug 'n' Play 16-Bit stereo sound card (with 3D option). Before installing the necessary drivers please take note.... DOS only. --------- Please click on the 'DOS' button for installation WINDOWS 3.1x ------------ Please click on the "Windows 3.1x" button for installation WINDOWS '95 ----------- Because your OPTi931 sound card is plug 'n' play, Windows '95 will recognize the card and ask whether to assign the default Windows drivers or one from the hardware manufacturer. It will prompt you with a "Have Disk..." message in the 'Detect New Hardware' utility in the 'Control Panel'. Since it is best to use the drivers included on this CD-ROM (because they will be the latest versions) you need to click on the "Have Disk..." button in Windows '95 and then direct Windows '95 to the location of the Windows '95 drivers. This locaton = (identification of your CD-ROM drive - usally D ) D:\app\product\3\win3195\ Click on 'OK' and Windows '95 will recognize the drivers and assign them accordingly. WINDOWS NT 3.x -------------- OPTi 82c93x Windows NT Audio Driver LATEST INFORMATION (Version 1.01) 05/24/95 This is the OPTi 82c930, 82c931 audio driver release for Windows NT version 3.51. Throughout this readme file, 82c93x refers to 82c930, and 82c931. This Windows NT driver provides the following support for OPTi 82c93x- based sound card: Wave playback/capture Midi playback Mic recording Volume control Driver installation/configuration IDE CD-ROM support 0. What is new in this release This release contains the following additional features and supports to the previous release v1.00, - Provide support for OPTi 82c931 audio sound chip. - SND930.DLL is renamed to SND93x.DLL - SND930.SYS is renamed to SND93x.SYS - SNDINIT.SYS is renamed to SND3INIT.SYS - Shows a Messagebox to prompt user to close Volume controls and audio application when Driver Configuration fails. 1. SOFTWARE PACKAGE CONTENTS The OPTi 82c93x Windows NT Audio Driver installation package contains the following files: - OEMSETUP.INF - Windows NT driver installation text file - SND93x.DLL - Windows NT user mode driver for OPTi 82c93x. - SND93x.SYS - Windows NT kernel mode driver for OPTi 82c93x. - SND3INIT.SYS - Windows NT kernel mode driver for setting OPTi 82c93x on-board IDE CD-ROM interface. - MIDIMAP.CFG - Midi Mapper for OPTi93x. - README.NT - This help file. 2. INSTALLATION PROCESS The installation process assumes that Windows NT v3.51 has been installed. Refer to documents for Windows NT installation. Step 1: Insert OPTi 82c93x sound card in the system. Refer to your menu for proper sound card hardware installation. Step 2: Logged on Windows NT in Administrator mode. Windows NT audio driver can't be installed or modified unless Windows NT is started in Adminstrator mode. Step 3: Choose the Drivers icon in the Control Panel Window. Remove all of the following previously installed audio drivers: Windows Sound System OPTi 82c93x Restart system. Step 4: Start Windows NT in Administrator mode. Choose the Drivers icon in the Control Panel Window. Choose the Add button in the Drivers dialog box. Select "Unlisted or Updated Driver" and choose the OK button. Insert this CD-ROM installation diskette in to your CD-ROM drive and choose the OK button (the location of the Windows NT Drivers are D:\app\product\3\winnt35\ If your CD-ROM drive is different to 'D' pls change accordingly) Step 5: A setup dialog box will appear. Select the I/O address, Interrupt, and DMA for OPTi 82c93x. Choose the CD-ROM Interface Settings for selecting whether to enable or disable the on-board IDE CD-ROM interface. Please note OPTi 931 MB version has no IDE CD-ROM support. Choose the OK button when you finish selecting the settings. Step 6: Choose the Restart Now button to have the new driver and any changed driver settings to take effect when Windows NT restart. 3. CHANGING DRIVER SETTINGS AFTER INSTALLATION Driver settings can be changed after installation. Step 1: Logged on Windows NT in Administrator mode. Step 2: Choose the Drivers icon in the Control Panel Window. Select OPTi 82c93x in Installed Drivers Dialog box. Choose Setup button. Follows Step 5 and 6 of INSTALLATION PROCESS above. 4. INSTALLATION DETAILS The Windows NT driver installation does the following: - Copy files to your hard disk. SND93x.SYS, SND93x.DLL, SNDINIT.SYS and README.NT are copied to the NT system directories. - Create/Update configuration information in the registry The following two Keys are created in the registry under HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services path: snd93x sndinit - Reboot system. 5. CD-ROM INSTALLATION NOTES Please note that OPTi 82c931 MB version has no IDE CD-ROM support. OPTi 82c931 AD version has IDE CD-ROM support. The CD-ROM Interface Settings in driver setup provides the choice of enable or disable the 82c93x on board IDE CD-ROM interface (Default to disabled). It DOESN'T install the NT IDE CD-ROM driver. It's your responsibility to install the NT IDE-CD ROM driver. To install an IDE CD-ROM drive that is connected to 82c93x: - Make sure there is no secondary IDE port that is enabled on your system motherboard or another add-on card. - Choose "Enable IDE CD-ROM Interface" check box. This instructs the kernel mode driver sndinit.sys to enable the 82c93x on board secondary IDE port 170h and IRQ15 upon NT boot time. - To install the Windows NT IDE CD-ROM driver (ATAPI.SYS), please refer to the Windows NT System Guide. Thank you