On Fri, 13 Oct 2000, Carlini, Antonio wrote:

> I think it actually disables the on-board 1MB but I don't have that
> much technical info about the MicroVAX II so I cannot be absolutely
> sure.
>
> I'm not even sure whether the console has to work it all out
> or whether the hardware handles it itself.
>
> I don't see why it would matter to anyone with or without defective RAM.
> My understanding is that the CPU cannot handle RAM any faster than the
> 200ns it gets over the PMI so onboard RAM runs at the same speed as
> off-board RAM. Why does it matter where your dead RAM is physically
> located?

	If your 1MB onboard is defective then you could have a working
	system with 2 8MB boards. Alternatively an 8MB board with a defect
	in the last 1MB could be useful...

                David/absolute
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