I downloaded the 4.02 TCL release and launched it on my Fujitsu T4220 .laptop as a Live CD.
I first attempted to install alsa which I have always used in linux.
My built in sound card (ALC262) wasn't detected.
I looked at different forum threads and learned there are some funky issues including mentions of the need for a 2.6.33.3-tinycore.tcz extension, depmod.tcz and some other items (this was dissected by roberts). In one case taking files from an earlier version resolved this.
Several people advised using OSS, so after rebooting, I have done that. This seems to be working.
However, I also tried to install the OSS-Alsa extension that allows OSS to manage programs that use alsa. This install failed (message: mount: mounting /dev/loop45 on /tmp/tcloop/OSS_alsa failed: Invalid argument.
So, I am reporting this, as all-in-all they represent a combination of issues that I think affect a lot of users.
Hope it is helpful.
Steve