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(parent: 1d90974) | patch
Don't use PG_N if EPSON PC-486HX/HG/HA (PC-9801 compatible) are
authorkato <kato@FreeBSD.org>
Tue, 16 Dec 1997 10:22:49 +0000 (10:22 +0000)
committerkato <kato@FreeBSD.org>
Tue, 16 Dec 1997 10:22:49 +0000 (10:22 +0000)
commitfd72a030d7976edbd61ad2bf4c38d5e4b1f7d4b7
treeac0f0161db4b154396a7a10072bf4c4effbb6ae6tree | snapshot
parent1d90974832ccb738d2741f998b37cc89e4fa3ecbcommit | diff
Don't use PG_N if EPSON PC-486HX/HG/HA (PC-9801 compatible) are
detected.  These machine cannot make L2 cache write-through by PG_N,
and only I/O access (undocumented) can do that.  If PG_N is used,
system hangs.

Reviewed by: tos@fa2.so-net.or.jp (Toshiyuki Kawashima)
sys/pc98/i386/machdep.c diff | blob | history
sys/pc98/pc98/machdep.c diff | blob | history
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