K 10 svn:author V 3 pst K 8 svn:date V 27 1994-09-04T19:59:24.000000Z K 7 svn:log V 283 Detect if we're running on a Cyrix 486DLC and enable automatic cache negation whenever we access memory between 640k and 1M. Original code from NetBSD 1.0-BETA. The exact origins are unclear but Theo de Raadt, Charles, and Michael V. may have contributed to it. Submitted by: pst END