Stinting on PRAM battery cost, or the effort of replacing them, is pointless when the lithium half-AAs are cheap-as-chips. How much time have you already spent in trying to get around the disability?
http://68kmla.org/forums/viewtopic.php?t=1452&highlight=pram+battery
http://68kmla.org/forums/viewtopic.php?t=1025&highlight=pram+battery
de
http://68kmla.org/forums/viewtopic.php?t=1452&highlight=pram+battery
http://68kmla.org/forums/viewtopic.php?t=1025&highlight=pram+battery
de