OPL3-SAx Driver Installation for WinNT: DISCLAIMER INFORMATION: NOTE: The driver(s) MAY NOT BE APPROVED by the manufacturer of your sound card or PC system, and that they MAY NOT WORK with your specific sound card or PC system configuration. Use of these driver(s) should be done at the risk of the users and we cannot be held responsible for anything caused by using them. Please note that the driver you are about to install was designed to function with the chip called, OPL3-SAx, which was soldered down on the motherboard. If this is your case, please skip to the General Information section. If you are installing this driver on an add-on card, you need to make sure that there are no other sound chip on the motherboard of your computer. If there is another sound chip on the mother board, then you will have to disable that sound chip through the BIOS because it will interfere with this driver. The manufacturer of your PC system should be able to give you instructions to change settings in the BIOS. YAMAHA CANNOT advise you on this procedure. General Information: Prior to installing the driver for the OPL3-SAx, you should have already created a folder in your hard disk drive and downloaded the executable file in that new folder as instructed by our web page. If not, we highly recommend that you follow all the steps for downloading. Please note that Windows will be restarted so we highly recommend that you exit out of any applications that you may have opened and save any files before going forward. It is a good practice to back-up your files before any installation. Detailed step-by-step instructions: 1) From the Task Bar click on "Start". 2) Move up to "Settings". 3) Slide over and click on "Control Panel". 4) Locate and double click on the icon "Multimedia". 5) Click at the "Devices" tab. 6) Locate and double click "Audio Device". 7) If there is any Audio Device listed hi-lite it. If not go to step 11. If there is a driver device listed go to the next step. 8) Click on the "Remove" button. 9) In the Remove Window click on the "Yes" button. 10) In the Setting System Change Window, click on the "Restart Now" button. 11) Repeat steps 1 to 5 12) Locate and hi-lite "Audio Device". 13) Click on the "Add" button. 14) In the Add Window, hi-lite "Unlisted or Updated Drivers" then click on the "OK" button. 15) At the Install Driver Window, click on the "Browse" button. 16) At the Browse Window, hi-lite C:\ then click on the "OK" button. 17) Still at the Browse Window, hi-lite "Win NT Driver English" and click on the "OK" button. 18) Still at the Browse Window, click on the "OK" button again. 19) Back to the Install Driver Window, click on the "OK" button. 20) At the Add Unlisted or Updated Driver Window, hi-lite "OPL3-SA Sound system (English)", and click on the "OK" button. 21) At the Driver Exists Window, click on the "New" button. 22) At the Yamaha OPL3 Series Driver Window, in the DMA column, put a mark (usually a dot) to enable "Use Dual DMA", In the MPU401 column mark (usually a dot) to "Enable MPU401". Click on the "OK" button. NOTE: Do not attempt to change any DMA/IRQ settings; Changing the default DMA/IRQ could cause severe problems in your computer. If you choose to do so, it will be at your own risk. Our Technical Staff will NOT BE ABLE TO HELP YOU after you choose to do so. 23) At the System Setting Change Window, click on the "Restart Now"button. TO VERIFY THE INSTALLATION 24) Repeat steps 1 to 3 25) Locate for the "OPL3-SAx Configuration" icon and double click on it. 26) In the OPL3-SAx Configuration Window, mark (usually a check) "MIC+20dB" to enable the MIC function. 27) Locate and click on the "About" button. 28) If the last 4 digits of the version number matches the last 4 digits on the file you donwloaded, then the driver was successfully installed. Congratulations....