It's possible you have the ram in the machine in the wrong order.
Look at the current-users archive for a thread showing the correct layout
of the sims in a Sparc 2.
-Brian

On Mar 29, 12:41pm, Kyle Mestery wrote:
} Subject: Question about Sparc2
} 
} Hi.  I am trying to replace my ELC with a Sparc2 to save space (no
} monitor) and to gain more RAM (32 vs. 16).  Here is the problem I am
} seeing:
} 
} The Sparc2 is headless, and I have a vt100 terminal hooked up to ttya.  It
} has 32MB of RAM, and three SCSI disks.  I boot it up, and the first hting
} that gets printed on the console is:
} 
} WARNING: Unable to determine keyboard type.
} 
} Fine, I have no keyboard hooked up.  THe next thing that gets printed out
} is  PADDR = 00fe0400 expected = 00000000, Observed = 00000010 (Some
} garbage here)
} 
} Am I correct in assuming the RAM is bad in this Sparc2?  THanks for any
} information.
} 
} --
} Kyle Mestery
} StorageTek's Network Systems Group
} "Keep honking, I'm reloading."
} "Lottery: A tax on people who are bad at math."
} 
>-- End of excerpt from Kyle Mestery


l