Subject: Re: User-visible kernel change
To: None <current-users@sun-lamp.cs.berkeley.edu>
From: Bernd Wiserner <wiserner@informatik.tu-muenchen.de>
List: current-users
Date: 12/18/1993 02:22:56
> 
> > Some of you will notice that the kernel no longer reports the same amount
> > of memory you think you have installed in your machine.  It now reports
> > the amount of conventional + extended memory that the NVRAM reports as
> > actually being usable.  On some machines, the part that coincides with the
> > I/O `hole' is mapped above the normal memory in hardware, and thus will
> > still be visible; on other machines it is not and it won't.
> 
> an addendum to this:
> 
> if your motherboard does this mapping, and you've got 16M of RAM
> on an ISA motherboard or on an EISA motherboard with an ISA disk
> controller, strange DMA problems might result...
> 
> *sigh*  "standard hardware" my ass...  8-)
> chris
> 
As 16 Mb + Adaptec isn't an exotic configuration , this seems to affect
lots of people.

B.Wiserner

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