hello,

I have a small question concerning the placement of memory.

The SS20 is equipped with 6 ram chips, 2 64MB (partnumber 501-2480)
chips and four 32MB (partnumber 501-2622) chips.

I have installed (once again) the ram chips in bank order, starting
with the 64MB chips in bank 0 and bank 1, and the four 32MB chips in
banks 2 to 5.

Installing one at a time, OBP tested and so on, never complained, I
let the machine boot each time, then shut it down again.

After a few shutdown -h now, power-off via OBP, all memory was seated.
256MB of RAM as expected. Now today, I powered the machine up again to
install some additional software and lo and behold, the memory test
after POST failed with "Memory not aligned".

"test /memory" yielded some - to me - unreadable addresses in an
continuous loop.
So i powered-off the machine again and simply removed the 32MB chip
from bank 5.
Starting the machine a few times now shows me it is working properly
again.

Now my question:
Is that ram chip faulty or shouldnt I have put it into bank 5? If so,
why did it work for one or two reboots without complaining?

I would be very grateful if someone could shed some light onto this.
Unfortunately, I dont have more than a basic grasp of all that kind of
trouble ...

Claus Kick