diff --git a/bochs/configure b/bochs/configure
index c83ae69a0..02f3fdb63 100755
--- a/bochs/configure
+++ b/bochs/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.in Id: configure.in,v 1.123 2002/09/23 21:41:34 bdenney Exp .
+# From configure.in Id: configure.in,v 1.124 2002/09/24 08:15:26 bdenney Exp .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.53.
 #
@@ -843,6 +843,7 @@ Optional Features:
   --enable-config-interface        turns on/off configuration interface
   --enable-control-panel           Deprecated. Use --enable-config-interface.
   --enable-new-pit                  use Greg Alexander's new PIT model
+  --enable-realtime-pit                  try to keep clk in sync w/ real time
   --enable-slowdown                 use Greg Alexander's slowdown timer
   --enable-idle-hack                use Roland Mainz's idle hack
   --enable-processors               select number of processors (1,2,4,8)
@@ -7955,6 +7956,39 @@ _ACEOF
 
 
 
+fi;
+
+
+echo "$as_me:$LINENO: checking for realtime PIT" >&5
+echo $ECHO_N "checking for realtime PIT... $ECHO_C" >&6
+# Check whether --enable-realtime-pit or --disable-realtime-pit was given.
+if test "${enable_realtime_pit+set}" = set; then
+  enableval="$enable_realtime_pit"
+  if test "$enableval" = yes; then
+    echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6
+    cat >>confdefs.h <<\_ACEOF
+#define BX_USE_REALTIME_PIT 1
+_ACEOF
+
+   else
+    echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+    cat >>confdefs.h <<\_ACEOF
+#define BX_USE_REALTIME_PIT 0
+_ACEOF
+
+   fi
+else
+
+    echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6
+    cat >>confdefs.h <<\_ACEOF
+#define BX_USE_REALTIME_PIT 1
+_ACEOF
+
+
+
 fi;
 
 
@@ -12062,6 +12096,7 @@ s,@X_PRE_LIBS@,$X_PRE_LIBS,;t t
 s,@X_LIBS@,$X_LIBS,;t t
 s,@X_EXTRA_LIBS@,$X_EXTRA_LIBS,;t t
 s,@BX_USE_NEW_PIT@,$BX_USE_NEW_PIT,;t t
+s,@BX_USE_REALTIME_PIT@,$BX_USE_REALTIME_PIT,;t t
 s,@BX_USE_SLOWDOWN_TIMER@,$BX_USE_SLOWDOWN_TIMER,;t t
 s,@SLOWDOWN_OBJS@,$SLOWDOWN_OBJS,;t t
 s,@BX_USE_IDLE_HACK@,$BX_USE_IDLE_HACK,;t t
diff --git a/bochs/configure.in b/bochs/configure.in
index b799e4eb4..48703bf06 100644
--- a/bochs/configure.in
+++ b/bochs/configure.in
@@ -2,7 +2,7 @@ dnl // Process this file with autoconf to produce a configure script.
 
 AC_PREREQ(2.5)
 AC_INIT(bochs.h)
-AC_REVISION([[$Id: configure.in,v 1.124 2002-09-24 08:15:26 bdenney Exp $]])
+AC_REVISION([[$Id: configure.in,v 1.125 2002-09-24 18:00:21 bdenney Exp $]])
 AC_CONFIG_HEADER(config.h)
 
 dnl // Put Bochs version information right here so that it gets substituted
@@ -208,6 +208,23 @@ AC_ARG_ENABLE(new-pit,
   )
 AC_SUBST(BX_USE_NEW_PIT)
 
+AC_MSG_CHECKING(for realtime PIT)
+AC_ARG_ENABLE(realtime-pit,
+  [  --enable-realtime-pit                  try to keep clk in sync w/ real time],
+  [if test "$enableval" = yes; then
+    AC_MSG_RESULT(yes)
+    AC_DEFINE(BX_USE_REALTIME_PIT, 1)
+   else
+    AC_MSG_RESULT(no)
+    AC_DEFINE(BX_USE_REALTIME_PIT, 0)
+   fi],
+  [
+    AC_MSG_RESULT(yes)
+    AC_DEFINE(BX_USE_REALTIME_PIT, 1)
+    ]
+  )
+AC_SUBST(BX_USE_REALTIME_PIT)
+
 AC_MSG_CHECKING(for slowdown timer)
 AC_ARG_ENABLE(slowdown,
   [  --enable-slowdown                 use Greg Alexander's slowdown timer],