Amiga 3000T won't boot

[da9000]

For more info you can look below, although you're doing the right things with the vias, and sadly it's not working

My favorite New Zelander, Castellan has lots of good stuff here:
http://amiga.serveftp.net/hardware_repair.html

This one too
http://members.iinet.net.au/~davem2/overclock/batt.html

And pertinent forum posts:
http://www.amiga.org/forums/showthread.php?t=26702
http://www.amiga.org/forums/showthread.php?t=21940
http://www.amiga.org/forums/showthread.php?t=20331
http://www.amiga.org/forums/showthread.php?t=13844
http://www.amiga.org/forums/showthread.php?t=22702
http://www.amiga.org/forums/showthread.php?t=23271


Lastly: my A3000 is still dead, because of a battery leak, so it's not something easily escapable. I wish you lots of luck, because that's what's needed in this case!