3B1: Considering buying, need info

[Michael]

I am considering buying a 3B1, which the selling ad claims is identical to
a 7300. My questions:
1. Are they in fact identical?
2. How many drives can be hooked up? (If only one, thats a big no-no).
   (I can accept either scsi or 506)
3. How much memory can be put on the system
4. VM/paging? Does the MMU require memory to be physically contiguous?
			Michael
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