Questions
I'm trying to get the MIDI sound routed out via my Yamaha MU80 in the games that support it. Do I need to adjust my settings? Are these the wrong versions of the games? Do I need to install/configure SoftMPU?

Background
I have a somewhat complicated sound setup. I've done this for a variety of reasons which I won't go into detail here. But, I will outline how my sound is configured in DOS.

The Yamaha YMF719E-S accepts the MIDI sound and sends it out the game port (via a break out cable) to the Yamaha MU80. The MIDI is processed there and goes out into the CD Analog input on my Sound Blaster Live. All of the other sounds are processed on the Yamaha YMF719E-S and sent out into the Line In Analog input on the Sound Blaster Live. Finally, the sound is set to the speaker via the Coaxial Digital out.

In both DOSMid and SETYMF (the Yamaha driver utility) this works great. But, in both Tie Fighter and Descent, the MIDI sound is processed on the Yamaha YMF719E-S -- not sent to the Yamaha MU80.

Hardware

• Motherboard - DFI CA64 SOCKET 370 VIA Apollo Pro133A
• CPU - INTEL PENTIUM 3 1GHz
• RAM - 512MB PC133 133MHz 168Pin SDRAM
• Sound Card - Yamaha (ISA) YMF719E-S
• Sound Card - Creative Sound Blaster Live! 5.1 (PCI) SB0060
• Sound Module - Yamaha MU80

Operating System

• DOS 7.10 (Windows 98SE)

Drivers / Software

• Sound Blaster Live! 5.1 Multichannel DOS mixer v0.49
• Yamaha YMF719E SETYMF utility
• DOSMid

Settings

• Sound Blaster
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  1ek1m -b
  2ek1m -as mix
  3ek1m -ai aux 100
  4ek1m -ai line 100
  5ek1m -ai cd 100
  6ek1m -io ac97 100 100 100 100 100 100
  

• Yamaha
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  1IRQ 5
  2DMA 3
  3MPU-401 Port 330
  

Games

• Tie Fighter Collector's CD-ROM DOS
• Descent: Anniversary Edition CD-ROM DOS