freebsd-dev/sys/pc98
KATO Takenori cf478d7b45 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)
1997-12-16 10:22:49 +00:00
..
boot Sync with sys/i386/boot/biosboot/boot.h and io.c revisions 1.23 and 1997-12-05 11:50:42 +00:00
cbus Use ENOIOCTL instead of -1 (= ERESTART) for tty ioctls that are 1997-12-06 13:25:01 +00:00
conf Sync with sys/i386/conf/files.i386 revision 1.182. 1997-12-14 12:30:54 +00:00
i386 Don't use PG_N if EPSON PC-486HX/HG/HA (PC-9801 compatible) are 1997-12-16 10:22:49 +00:00
pc98 Don't use PG_N if EPSON PC-486HX/HG/HA (PC-9801 compatible) are 1997-12-16 10:22:49 +00:00