Just to avoid any misunderstanding...
"Passive ISA-Slot" only refers to the part near the backplate of the mobo.
The 5 100Pin Zorro2-slots (here shown in the lower part of the picture) are identical to each other. You can put your cards in any you want in any order.
They will then be added to your system from right to left. Which might make a small difference in your case as your Z2 cards hold more then the 6MB available (after the 2MB on the 2630 have been added to the system).
Generally it would be a wise move to remove surpass RAM from the RAM card till your down to 8MB (+1MB chip).
