Uploaded September 2021 | Updated September 2026, 2 days ago

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It is time for an update on my PC/104 Gaming Sound Card.

-- Updates to the Circuit --
- Tweaked output power amplifier
- Improved PC Speaker filtering and mixing.
- Added MT-32 compatibility mode for the onboard Midi Synth.

-- SPECS --
- ESS ES1869F (SB, SBp, WSS, ESFM)
- SAM2695 MIDI Synthesizer
- Game Port
- CD Audio in
- PC Speaker in
- Modern High quality Power Amplifier

In the last part of the video there are some Audio recordings from
popular games. The focus this time was on Roland MT-32 support:
- Monkey Island
- Zak Mckracken
- Prehistoric
- Lotus
- Warcraft II

Video with info about MT-32 from LGR:
youtube.com/watch?v=JiZOxUhQj10

-- TIMESTAMPS --
00:00 - Intro
01:31 - Audio Power Amplifier
03:34 - PC Speaker Info and Problems
09:24 - PC Speaker Future
10:57 - PC Speaker Examples / Comparisons
17:25 - Midi MT-32 Info and Problems
20:39 - My solution: MT-32 Compatibility Mode!
24:15 - Future Midi Products
25:30 - Game Examples, all modes
26:05 - Game: Monkey Island
31:28 - Game: Zak Mckracken
33:24 - Game: Prehistoric
37:01 - Game: Lotus: The Ultimate Challenge
41:50 - Game: Warcraft II
45:29 - Outro

I hope you enjoined this video.
Please give me your feedback ^^
Also visit my store here:
migron-electronics.com