Nice find! I believe the error is memory related.

It's not possible to boot the Macintosh without its full complement of memory, if I recall correctly, so your best bet would possibly be to take off all the RAM (it's in its own little section), put sockets down, and insert new DRAM chips in each (now socketed) position.

This will save you trouble in the long run too. Even if only one RAM chip is not working, something probably made it that way - RAM is hard to destroy under normal working conditions.

I noticed on your Asante topic that you said it was your first post. Welcome to the forums!