diff --git a/README b/README
index fe5b99f23..e61a5b94d 100644
--- a/README
+++ b/README
@@ -23,7 +23,7 @@ in obtaining disk images, contact us at m5-dev@eecs.umich.edu.
 WHAT'S NEEDED
 -------------
 -GCC(3.X)
--Python(2.2.2+)
+-Python(2.4+)
 
 WHAT'S RECOMMENDED
 ------------------
@@ -40,9 +40,9 @@ i.e., the one containing the m5, m5-test, and ext directories.
 There are three different build targets and three optimizations in each level:
 Target:
 -------
-ALPHA  - Syscall emulation simulation
-KERNEL - Linux full system simulation
-KERNEL_TLASER - Tru64 Unix full system simulation
+ALPHA_SE - Syscall emulation simulation
+ALPHA_FS - Linux full system simulation
+ALPHA_FS_TL - Tru64 (Turbolaser) Unix full system simulation
 
 Optimization:
 -------------
@@ -51,9 +51,9 @@ m5.opt   - optimized version of code with tracing
 m5.fast  - optimized version of the code without tracing and asserts
 
 cd $top/m5/build
-scons TARGET/OPTLEVL  # e.g. KERNEL/m5.opt, use -j N if you have a MP system
+scons TARGET/OPTLEVL  # e.g. ALPHA_FS/m5.opt, use -j N if you have a MP system
 cd $top/m5-test
-./do-tests.pl -B ALPHA	# test what you just built
-./do-tests.pl -B KERNEL	# test what you just built
+./do-tests.pl -B ALPHA_SE	# test what you just built
+./do-tests.pl -B ALPHA_FS	# test what you just built
 # wait for tests to run...
 # should end with "finished do-tests successfully!"
diff --git a/build/SConstruct b/build/SConstruct
index 3e71c1a74..c11bcf71c 100644
--- a/build/SConstruct
+++ b/build/SConstruct
@@ -37,7 +37,7 @@
 #
 # Then type 'scons' to build the default configuration (see below), or
 # 'scons <CONFIG>/<binary>' to build some other configuration (e.g.,
-# 'KERNEL/m5.opt' for the optimized full-system version).
+# 'ALPHA_FS/m5.opt' for the optimized full-system version).
 #
 ###################################################
 
@@ -73,7 +73,7 @@ sys.path.append(os.path.join(SRCDIR, 'python'))
 # The build system infers the build options from the subdirectory name
 # that the simulator is built under.  The subdirectory name must be of
 # the form <CONFIG>[.<OPT>]*, where <CONFIG> is a base configuration
-# (e.g., ALPHA or KERNEL) and OPT is an option (e.g., MYSQL).  The
+# (e.g., ALPHA_SE or ALPHA_FS) and OPT is an option (e.g., MYSQL).  The
 # following code defines the standard configurations and options.
 # Additional local configurations and options are read from the file
 # 'local_configs' if it exists.
@@ -88,20 +88,20 @@ sys.path.append(os.path.join(SRCDIR, 'python'))
 ###################################################
 
 # Base non-full-system Alpha ISA configuration.
-def AlphaConfig(env):
+def AlphaSyscallEmulConfig(env):
     env.Replace(TARGET_ISA = 'alpha')
     env.Append(CPPDEFINES = 'SS_COMPATIBLE_FP')
 
 # Base full-system configuration.
-def KernelConfig(env):
+def AlphaFullSysConfig(env):
     env.Replace(TARGET_ISA = 'alpha')
     env.Replace(FULL_SYSTEM = True)
     env.Append(CPPDEFINES = ['FULL_SYSTEM'])
 
 # Base configurations map.
 configs_map = {
-    'ALPHA' : AlphaConfig,
-    'KERNEL' : KernelConfig
+    'ALPHA_SE' : AlphaSyscallEmulConfig,
+    'ALPHA_FS' : AlphaFullSysConfig
     }
 
 # Disable FastAlloc object allocation.
@@ -141,7 +141,7 @@ def set_dir_options(dir, env):
 
 # Set the default configuration and binary.  The default target (if
 # scons is invoked at the top level with no command-line targets) is
-# 'ALPHA/m5.debug'.  If scons is invoked in a subdirectory with no
+# 'ALPHA_SE/m5.debug'.  If scons is invoked in a subdirectory with no
 # command-line targets, the configuration
 
 ###################################################
@@ -163,7 +163,7 @@ def set_dir_options(dir, env):
 #
 # 3. If there are no command-line targets and scons was invoked from
 #    the root build directory, a default configuration is used.  The
-#    built-in default is ALPHA, but this can be overridden by setting the
+#    built-in default is ALPHA_SE, but this can be overridden by setting the
 #    M5_DEFAULT_CONFIG shell environment veriable.
 #
 # In cases 2 & 3, the specific file target defaults to 'm5.debug', but
@@ -173,7 +173,7 @@ def set_dir_options(dir, env):
 ###################################################
 
 # Find default configuration & binary.
-default_config = os.environ.get('M5_DEFAULT_CONFIG', 'ALPHA')
+default_config = os.environ.get('M5_DEFAULT_CONFIG', 'ALPHA_SE')
 default_binary = os.environ.get('M5_DEFAULT_BINARY', 'm5.debug')
 
 # Ask SCons which directory it was invoked from.  If you invoke SCons
@@ -187,7 +187,7 @@ if launch_dir == ROOT:
         # easy: use specified targets as is
         my_targets = COMMAND_LINE_TARGETS
     else:
-        # default target (ALPHA/m5.debug, unless overridden)
+        # default target (ALPHA_SE/m5.debug, unless overridden)
         target = os.path.join(default_config, default_binary)
         my_targets = [target]
         Default(target)