diff --git a/include/boost/config/compiler/hp_acc.hpp b/include/boost/config/compiler/hp_acc.hpp
index db22d93f..de664be4 100644
--- a/include/boost/config/compiler/hp_acc.hpp
+++ b/include/boost/config/compiler/hp_acc.hpp
@@ -7,8 +7,7 @@
 
 //  HP aCC C++ compiler setup:
 
-// THIS FILE IS INCOMPLETE: WE NEED THE CORRECT VERSION CHECKS ADDING!!!
-#if (__HP_aCC <= 33100) || !defined(BOOST_STRICT_CONFIG)
+#if (__HP_aCC <= 33100)
 #    define BOOST_NO_INTEGRAL_INT64_T
 #    define BOOST_NO_DEPENDENT_TYPES_IN_TEMPLATE_VALUE_PARAMETERS
 #    define BOOST_NO_OPERATORS_IN_NAMESPACE
@@ -18,18 +17,21 @@
 #  endif
 #endif
 
+#if (__HP_aCC <= 33300) || !defined(BOOST_STRICT_CONFIG)
+  // it appears that we don't need any defines
+#endif
 
 #define BOOST_COMPILER "HP aCC version " BOOST_STRINGIZE(__HP_aCC)
 
 //
 // versions check:
 // we don't support HP aCC prior to version 0:
-#if __HP_aCC < 0
+#if __HP_aCC < 33000
 #  error "Compiler not supported or configured - please reconfigure"
 #endif
 //
 // last known and checked version is 0:
-#if (__HP_aCC > 33100)
+#if (__HP_aCC > 33300)
 #  if defined(BOOST_ASSERT_CONFIG)
 #     error "Unknown compiler version - please run the configure tests and report the results"
 #  endif