diff --git a/TOOLS/cpuinfo.c b/TOOLS/cpuinfo.c
index cd1ed0741d..d6c47cbf2d 100644
--- a/TOOLS/cpuinfo.c
+++ b/TOOLS/cpuinfo.c
@@ -275,6 +275,10 @@ main(int argc, char **argv)
     if (strstr(idstr, "Cyrix") &&
         (family == 5 && model < 4 || family == 6))
       printf(" %s", "cyrix_arr");
+    /* as well as centaur_mcr. */
+    if (strstr(idstr, "Centaur") &&
+        family == 5)
+      printf(" %s", "centaur_mcr");
  
     for (i = 0; cap_amd[i].bit >= 0; i++) {
       if (amd_flags & (1 << cap_amd[i].bit)) {
diff --git a/configure b/configure
index d857b45333..e5dcf32ebc 100755
--- a/configure
+++ b/configure
@@ -842,7 +842,7 @@ if x86 || x86_64 ; then
 
   exts=`$_cpuinfo | egrep 'features|flags' | cut -d ':' -f 2 | _head 1`
 
-  pparam=`echo $exts | sed -e s/k6_mtrr/mtrr/ -e s/cyrix_arr/mtrr/ \
+  pparam=`echo $exts | sed -e s/k6_mtrr/mtrr/ -e s/cyrix_arr/mtrr/ -e s/centaur_mcr/mtrr/ \
                            -e s/xmm/sse/ -e s/kni/sse/`
 
   for ext in $pparam ; do