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MK8330 : new soundcard based on the CMI 8330 chipset

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Reply 380 of 380, by mockingbird

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I have an issue with the 2.0 VXD drivers in Windows 98se... In Quake3, DEMO001 crashes. DirectSound is also somewhat broken, as the test in DXDIAG will 'ding' repetitively after the first test. I switched to the WDM drivers (also work in 98se) and the problem went away. The issue with the WDM driver is that MPU401 is now broken and I get no output from my wavetable in Windows. FM synth works fine.

Anyone have any ideas?

Thanks

EDIT:(08/17/2025, 18:12EST) - I removed the WDM drivers and installed the 1.64 drivers which completely solves the issue. The 1.64 drivers does not allow you to use the external wavetable, but it does have something that's even better, a "Roland MPU401" option in the MIDI settings of the Multimedia applet in Control Panel (also a CMedia Softmidi option, but it's not very good at all).

Quake3 runs DEMO001 fine with this version as well.

The DirectSound test on DXDIAG passes fine, but you do not have as many tests as with the 2.0 Beta VXD (I think only 16-bit 22Khz)... So it seems they were pushing the hardware too far with the 2.0 betas. Still, I hope this will give some rudimentary Directsound compatbility.

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(Decommissioned:)
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