Re: [PATCH] parport_pc.c PnP BIOS sanity check

From: Philip Blundell (philb@gnu.org)
Date: Fri Sep 21 2001 - 19:08:55 EST

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>DMA0 is reserved for memory refresh. It _can't_ be used for anything else,
>therefore a value of 0 is representative of no value whatsoever.

On a PC/XT, perhaps. On any other computer, nothing of the sort is guaranteed.

p.

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