Is >16MB possible on ISA box (ISC 2.2.1)?

Conor P. Cahill cpcahil at virtech.uucp
Sat May 11 23:15:28 AEST 1991


leo at aai.com writes:

>The EISA support update says it's ONLY for EISA bus computers.  The kconfig
>options only mention 4M, 8M, and 16M.  Will ISC use any memory over 16M on
>an ISA machine, or is it ignored?  Is there some other update that
>addresses this?  Will the EISA update work on an ISA machine?

No.  The problem is that DMA will not work from a device on the ISA bus
to memory above 16MB.

-- 
Conor P. Cahill            (703)430-9247        Virtual Technologies, Inc.
uunet!virtech!cpcahil                           46030 Manekin Plaza, Suite 160
                                                Sterling, VA 22170 



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