I attempted to install 6.2 on a Sparc SLC with 16mb of ram. I setup rarp, tftp on a boothost as described in the manual. The Sparc SLC successfully received an IP address and downloaded the image. I put on a 32 bit kernel from the /kernels directory on the distribution CD. This booted successfully, so my setup was working. I changed the link to the tftp32 image. This always fails. The screen flickered for several seconds, the monitor returned with a jumbled message about a window underflow, and the sparc locked up requiring a hard-reset.
SPARC is not a supported platform.