SoundBlaster 2.0 clone won't work

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Symptoms

"x:\MMOS2\SBD2.SYS has not been installed. Line yy is ignored"

Hardware

Sound Blaster 2.0 clones, including the MediaVision ThunderBoard and other cards using the Thunder chipset.

Problem

The SBD2.SYS driver is made by Creative Labs. It contains a security check so that only genuine Sound Blasters can be used.

Procedure

The security check is to be removed. For OS/2 2.1, write the following text to the file patchsb2.fil on your boot partition:

FILE \mmos2\sbd2.sys
VER 3ed8 ab
CHA 3ed8 00

For OS/2 Warp with or without WinOS2 (Red box or Blue box) use the following text:

FILE \mmos2\sbd2.sys
VER 42fc a5
CHA 42fc 00

If you have downloaded the Creative Labs FTP site, write the following text to the file patchsb2.fil:

FILE \mmos2\sbd2.sys
VER 44fd e970ff
CHA 44fd 909090

I'm not sure what driver is included with Warp Connect. Try any of the two Warp patches above. Please contact me if you have Warp Connect.

Now open up an OS/2 Window and execute the following on the OS/2 command line:

patch patchsb2.fil /a

Notes

This patch won't work for every Sound Blaster 2.0 clone, unfortunately. Guaranteed to work with the Thunder chipset though.

Ready made patchfiles and more info from me