TC430HX Yamaha OPL4 General Midi sound issue \ VOGONS

TC430HX Yamaha OPL4 General Midi sound issue

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First post, by jasa1063

Posted on 2024-05-25, 02:44

jasa1063 Offline

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Posts: 635
Joined: 2013-01-31, 20:34
Location: Minnesota

I just picked up a TC430HX motherboard which includes both the Yamaha YMF701 and YMF704 audio chips. I am unable to get any General Midi audio output. I am running DOS 6.22 and Windows 3.11. The FM and Sound Blaster audio functions are good, but I get no sound when trying to play through the MPU-401 interface at I/O address 330. I am configuring the audio interface for DOS the using SETUPSA.exe utility. I have Plug-n-Play turned off in the BIOS setup. I also get the same thing in Windows 3.11. I am using the latest Windows 3.x OPL3-Sax driver driver from Yamaha. I am wondering if I am using the wrong driver and if so, which one should I be using? Any help would be appreciated.

Reply 1 of 2, by jasa1063

Posted on 2024-05-25, 15:03

jasa1063 Offline

Rank Oldbie

Rank: Oldbie
Posts: 635
Joined: 2013-01-31, 20:34
Location: Minnesota

I got the Windows 3.11 General Midi working, but still no luck on MS-DOS. Turns out the Software Midi option in the Midi mapper is actually the onboard Wavetable synthesizer. Getting closer anyway.

Reply 2 of 2, by jasa1063

Posted on 2024-05-26, 02:10

jasa1063 Offline

Rank Oldbie

Rank: Oldbie
Posts: 635
Joined: 2013-01-31, 20:34
Location: Minnesota

I ended up switching to Windows 98 Second Edition and just use the DOS MPU-401 support to access the Wavetable Midi in DOS games. Not what I wanted to do, but it works just fine for my needs.

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