Hi all,
I'm the proud owner of a pristine PowerBook 145B, with its stock 4 MB of Ram and 80 MB hard disk, which runs just fine. Today I took the 4 MB Ram card in the dead body of a PB 140 I have lying around, to put it in the 145B and max it out at 8 MB. Everything is fine, but when I cold boot it, I have no chime and the well-known "bad Ram" checkboard on screen. It boots fine after 3-4 quick switching on/off, and the 8 MB are recognised as expected.
Now could the checkboard be caused by a dead PRAM battery? I usually don't bother to change those, since all the Macs I own run fin without one. And a dead PRAM battery is the only "wrong" thing with this machine I can think of.
Any idea? Note that this is just out of curiosity, since the PowerBook otherwise runs just fine, each time after switching it 3-4 times on/off.
I'm the proud owner of a pristine PowerBook 145B, with its stock 4 MB of Ram and 80 MB hard disk, which runs just fine. Today I took the 4 MB Ram card in the dead body of a PB 140 I have lying around, to put it in the 145B and max it out at 8 MB. Everything is fine, but when I cold boot it, I have no chime and the well-known "bad Ram" checkboard on screen. It boots fine after 3-4 quick switching on/off, and the 8 MB are recognised as expected.
Now could the checkboard be caused by a dead PRAM battery? I usually don't bother to change those, since all the Macs I own run fin without one. And a dead PRAM battery is the only "wrong" thing with this machine I can think of.
Any idea? Note that this is just out of curiosity, since the PowerBook otherwise runs just fine, each time after switching it 3-4 times on/off.