diff --git a/pyghmi/ipmi/command.py b/pyghmi/ipmi/command.py
index 7d46e197..746c7227 100644
--- a/pyghmi/ipmi/command.py
+++ b/pyghmi/ipmi/command.py
@@ -776,9 +776,9 @@ class Command(object):
         else:
             raise Exception("Unrecognized data format " + repr(fetchdata))
 
-    def get_bmc_configuration(self):
+    def get_bmc_configuration(self, extended=False):
         self.oem_init()
-        return self._oem.get_bmc_configuration()
+        return self._oem.get_bmc_configuration(extended)
 
     def set_bmc_configuration(self, changeset):
         self.oem_init()
diff --git a/pyghmi/ipmi/oem/generic.py b/pyghmi/ipmi/oem/generic.py
index a5bd96a1..fa5df146 100644
--- a/pyghmi/ipmi/oem/generic.py
+++ b/pyghmi/ipmi/oem/generic.py
@@ -331,7 +331,16 @@ class OEMHandler(object):
         """
         return False
 
-    def get_bmc_configuration(self):
+    def get_bmc_configuration(self, extended):
+        """Get additional BMC parameters
+
+        This allows a bmc to return arbitrary key-value pairs.
+
+        :param extended: In the case of potentially redundant/slow
+                         attributes, this allows the caller to opt
+                        into retrieving unpopular options that may be
+                        redundant or confusing.
+        """
         return {}
 
     def set_bmc_configuration(self, changeset):
diff --git a/pyghmi/ipmi/oem/lenovo/config.py b/pyghmi/ipmi/oem/lenovo/config.py
index 40ed5670..79b84ebb 100644
--- a/pyghmi/ipmi/oem/lenovo/config.py
+++ b/pyghmi/ipmi/oem/lenovo/config.py
@@ -247,12 +247,16 @@ class LenovoFirmwareConfig(object):
                 options[option]['new_value'] = options[option]['default']
         self.set_fw_options(options)
 
-    def get_fw_options(self):
+    def get_fw_options(self, fetchimm=True):
+        if fetchimm:
+            cfgfilename = "config.efi"
+        else:
+            cfgfilename = "config"
         options = {}
         data = None
         for _ in range(0, 30):
-            filehandle = self.imm_open("config.efi")
-            size = self.imm_size("config.efi")
+            filehandle = self.imm_open(cfgfilename)
+            size = self.imm_size(cfgfilename)
             data = self.imm_read(filehandle, size)
             self.imm_close(filehandle)
             data = EfiDecompressor.decompress(data)
diff --git a/pyghmi/ipmi/oem/lenovo/handler.py b/pyghmi/ipmi/oem/lenovo/handler.py
index 6b2f0a5d..5fed6197 100755
--- a/pyghmi/ipmi/oem/lenovo/handler.py
+++ b/pyghmi/ipmi/oem/lenovo/handler.py
@@ -969,12 +969,12 @@ class OEMHandler(generic.OEMHandler):
             return {'height': self._fpc_variant, 'slot': 0}
         return super(OEMHandler, self).get_description()
 
-    def get_bmc_configuration(self):
+    def get_bmc_configuration(self, extended):
         if self.has_xcc:
-            return self.immhandler.get_bmc_configuration()
+            return self.immhandler.get_bmc_configuration(extended)
         if self.is_fpc:
             return self.smmhandler.get_bmc_configuration()
-        return super(OEMHandler, self).get_bmc_configuration()
+        return super(OEMHandler, self).get_bmc_configuration(extended)
 
     def set_bmc_configuration(self, changeset):
         if self.has_xcc:
diff --git a/pyghmi/ipmi/oem/lenovo/imm.py b/pyghmi/ipmi/oem/lenovo/imm.py
index 25bd8859..438291b3 100644
--- a/pyghmi/ipmi/oem/lenovo/imm.py
+++ b/pyghmi/ipmi/oem/lenovo/imm.py
@@ -181,11 +181,11 @@ class IMMClient(object):
             return None
         return cls._parse_builddate(propstr)
 
-    def get_system_configuration(self, hideadvanced=True):
+    def get_system_configuration(self, hideadvanced=True, fetchimm=False):
         if not self.fwc:
             self.fwc = config.LenovoFirmwareConfig(self.ipmicmd)
         try:
-            self.fwo = self.fwc.get_fw_options()
+            self.fwo = self.fwc.get_fw_options(fetchimm=fetchimm)
         except Exception:
             raise Exception(self.bmcname +
                             ' failed to retrieve UEFI configuration')
@@ -211,8 +211,9 @@ class IMMClient(object):
     def set_system_configuration(self, changeset):
         if not self.fwc:
             self.fwc = config.LenovoFirmwareConfig(self.ipmicmd)
+        fetchimm = False
         if not self.fwo or util._monotonic_time() - self.fwovintage > 30:
-            self.fwo = self.fwc.get_fw_options()
+            self.fwo = self.fwc.get_fw_options(fetchimm=fetchimm)
             self.fwovintage = util._monotonic_time()
         for key in list(changeset):
             if key not in self.fwo:
@@ -226,6 +227,23 @@ class IMMClient(object):
                         if fnmatch.fnmatch(calias.lower(), key.lower()):
                             changeset[rkey] = changeset[key]
                             found = True
+                if not found and not fetchimm:
+                    fetchimm = True
+                    self.fwo = self.fwc.get_fw_options(fetchimm=fetchimm)
+                    if key in self.fwo:
+                        continue
+                    else:
+                        found = False
+                        for rkey in self.fwo:
+                            if fnmatch.fnmatch(rkey.lower(), key.lower()):
+                                changeset[rkey] = changeset[key]
+                                found = True
+                            elif self.fwo[rkey].get('alias', None) != rkey:
+                                calias = self.fwo[rkey]['alias']
+                                if fnmatch.fnmatch(
+                                        calias.lower(), key.lower()):
+                                    changeset[rkey] = changeset[key]
+                                    found = True
                 if found:
                     del changeset[key]
                 else:
@@ -824,7 +842,7 @@ class XCCClient(IMMClient):
                 return {}
         return {'height': int(dsc['u-height']), 'slot': int(dsc['slot'])}
 
-    def get_bmc_configuration(self):
+    def get_bmc_configuration(self, extended):
         settings = {}
         passrules = self.wc.grab_json_response('/api/dataset/imm_users_global')
         passrules = passrules.get('items', [{}])[0]
@@ -858,6 +876,11 @@ class XCCClient(IMMClient):
             settings['smm']['value'] = 'Enable'
         else:
             settings['smm']['value'] = None
+        if extended:
+            immsettings = self.get_system_configuration(fetchimm=True)
+            for setting in immsettings:
+                if setting.startswith('IMM.'):
+                    settings[setting] = immsettings[setting]
         return settings
 
     rulemap = {