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> Bootloader versions 1.9 or above don't seem to work on sun4. The
> boot.net in that comes with 1.4.2 displays its header and then
> crashes. Booting from disk just gives me an mvmap error. Has anyone
> else had similar problems? V1.8 seems to work, except with
> 1.4.2-sun4-netbsd.ram, which causes an illegal instruction while
> loading.
> 
> Is there a nicer way to install via netboot than going through
> the trouble of setting up an NFS-root environment and then installing
> from there?
> 
> Btw, I finally got NetBSD installed on my Sun 4/330. I had to
> put in 1.4.1 though because of the bootloader and incompatible
> install kernel in 1.4.2. After the installation as I began compiling
> software packages the system disk died horribly in a head crash.

On a lark, I once took a drive from a sun4c SS1 box that had OpenBSD
installed, and dropped it into my 4/110 crate.  It booted and ran
fine, even though I could not get anything installed natively.
You might try installing that way, and then transferring the drive
over to the sun4 boxes.

Bob