I have a Sparc Station II, in which the Time keeper chip had died. I manager to solder a battery to the +- pin at the end of the chip (hidden just beneath the epoxy at the end) and I have a fully fuctional sparc (with a MAC address of 00:08:c0:ff:ee)
Jason On Sun, 30 Sep 2001, Andreas Behnert wrote: > (Sorry 'bout my poor English...) > > Fabbione wrote: > > > > I don't think I can replace the EPROM with a new one (are still > > available?)... > > > > Thanks a lot > > Fabbione > > Yes, you can replace it and these "Timekeeper" ICs are still produced > by SGS-Thomson and are still available. Replacing is really easy. Take > a look at > > http://www.squirrel.com/sun-nvram-hostid.faq.html > > and please follow _exactly_ the steps shown in this manual. > > SS2 ist a "sun4c" or a "4/75" and this box uses a M48T02. AFAIK > the speed of the M48T02 is not important as long as the new chip > isn't slower than the original one. My SS2 had a 200ns, now I use > a 150ns (because it was the cheapest one :-) - no problems ... > The only bad thing is that if you get the message "Invalid format > type..." you've already lost your original Ethernet-MAC-# , but the > manual tells you how to create a new one ... > > Greetings from Germany > Andreas > >
