diff --git a/lib/utils.robot b/lib/utils.robot
index 264b165..5a6efde 100755
--- a/lib/utils.robot
+++ b/lib/utils.robot
@@ -801,17 +801,23 @@
 
 
 Redfish Set Boot Default
-    [Documentation]  Set and Verify BootSource and BootType.
-    [Arguments]      ${override_enabled}  ${override_target}
+    [Documentation]  Set and Verify Boot source override
+    [Arguments]      ${override_enabled}  ${override_target}  ${override_mode}=UEFI
 
     # Description of argument(s):
-    # override_enabled    Boot source enable type.
+    # override_enabled    Boot source override enable type.
     #                     ('Once', 'Continuous', 'Disabled').
-    # override_target     Boot target type.
+    # override_target     Boot source override target.
     #                     ('Pxe', 'Cd', 'Hdd', 'Diags', 'BiosSetup', 'None').
+    # override_mode       Boot source override mode (relevant only for x86 arch).
+    #                     ('Legacy', 'UEFI').
 
     ${data}=  Create Dictionary  BootSourceOverrideEnabled=${override_enabled}
     ...  BootSourceOverrideTarget=${override_target}
+
+    Run Keyword If  '${PLATFORM_ARCH_TYPE}' == 'x86'
+    ...  Set To Dictionary  ${data}  BootSourceOverrideMode  ${override_mode}
+
     ${payload}=  Create Dictionary  Boot=${data}
 
     Redfish.Patch  /redfish/v1/Systems/system  body=&{payload}
@@ -820,6 +826,8 @@
     ${resp}=  Redfish.Get Attribute  /redfish/v1/Systems/system  Boot
     Should Be Equal As Strings  ${resp["BootSourceOverrideEnabled"]}  ${override_enabled}
     Should Be Equal As Strings  ${resp["BootSourceOverrideTarget"]}  ${override_target}
+    Run Keyword If  '${PLATFORM_ARCH_TYPE}' == 'x86'
+    ...  Should Be Equal As Strings  ${resp["BootSourceOverrideMode"]}  ${override_mode}
 
 
 # Redfish state keywords.
diff --git a/redfish/systems/test_boot_devices.robot b/redfish/systems/test_boot_devices.robot
index 4d685e2..ee84659 100644
--- a/redfish/systems/test_boot_devices.robot
+++ b/redfish/systems/test_boot_devices.robot
@@ -31,43 +31,62 @@
 ...                         BiosSetup=Force Boot into BIOS Setup
 ...                         None=No override
 
+# This dictionary maps the redfish 'BootSourceOverrideMode' value to the
+# corresponding IPMI output value.
+&{redfish_ipmi_mode_map}  Legacy=BIOS PC Compatible (legacy) boot
+...                       UEFI=BIOS EFI boot
+
 *** Test Cases ***
 
-Verify BMC Redfish Boot Types With BootSource As Once
-    [Documentation]  Verify BMC Redfish Boot Types With BootSource As Once.
-    [Tags]           Verify_BMC_Redfish_Boot_Types_With_BootSource_As_Once
-    [Template]  Set And Verify BootSource And BootType
+Verify BMC Redfish Boot Source Override with Enabled Mode As Once
+    [Documentation]  Verify BMC Redfish Boot Source Override with Enabled Mode As Once.
+    [Tags]           Verify_BMC_Redfish_Boot_Source_Override_with_Enabled_Mode_As_Once
+    [Template]  Set And Verify Boot Source Override
 
-    #BootSourceEnableType    BootTargetType
-    Once                     Hdd
-    Once                     Pxe
-    Once                     Diags
-    Once                     Cd
-    Once                     BiosSetup
+    #BootSourceOverrideEnabled    BootSourceOverrideTarget    BootSourceOverrideMode
+    Once                          Hdd                         UEFI
+    Once                          Pxe                         UEFI
+    Once                          Diags                       UEFI
+    Once                          Cd                          UEFI
+    Once                          BiosSetup                   UEFI
+    Once                          Hdd                         Legacy
+    Once                          Pxe                         Legacy
+    Once                          Diags                       Legacy
+    Once                          Cd                          Legacy
+    Once                          BiosSetup                   Legacy
 
-Verify BMC Redfish Boot Types With BootSource As Continuous
-    [Documentation]  Verify BMC Redfish Boot Types With BootSource As Continuous.
-    [Tags]           Verify_BMC_Redfish_Boot_Types_With_BootSource_As_Continuous
-    [Template]  Set And Verify BootSource And BootType
 
-    #BootSourceEnable    BootTargetType
-    Continuous           Hdd
-    Continuous           Pxe
-    Continuous           Diags
-    Continuous           Cd
-    Continuous           BiosSetup
+Verify BMC Redfish Boot Source Override with Enabled Mode As Continuous
+    [Documentation]  Verify BMC Redfish Boot Source Override with Enabled Mode As Continuous.
+    [Tags]           Verify_BMC_Redfish_Boot_Source_Override_with_Enabled_Mode_As_Continuous
+    [Template]  Set And Verify Boot Source Override
+
+    #BootSourceOverrideEnabled    BootSourceOverrideTarget    BootSourceOverrideMode
+    Continuous                    Hdd                         UEFI
+    Continuous                    Pxe                         UEFI
+    Continuous                    Diags                       UEFI
+    Continuous                    Cd                          UEFI
+    Continuous                    BiosSetup                   UEFI
+    Continuous                    Hdd                         Legacy
+    Continuous                    Pxe                         Legacy
+    Continuous                    Diags                       Legacy
+    Continuous                    Cd                          Legacy
+    Continuous                    BiosSetup                   Legacy
+
 
 *** Keywords ***
 
-Set And Verify BootSource And BootType
-    [Documentation]  Set And Verify BootSource And BootType.
-    [Arguments]      ${override_enabled}  ${override_target}
+Set And Verify Boot Source Override
+    [Documentation]  Set and Verify Boot source override
+    [Arguments]      ${override_enabled}  ${override_target}  ${override_mode}=UEFI
 
     # Description of argument(s):
-    # override_enabled    Boot source enable type.
+    # override_enabled    Boot source override enable type.
     #                     ('Once', 'Continuous', 'Disabled').
-    # override_target     Boot target type.
+    # override_target     Boot source override target.
     #                     ('Pxe', 'Cd', 'Hdd', 'Diags', 'BiosSetup', 'None').
+    # override_mode       Boot source override mode (relevant only for x86 arch).
+    #                     ('Legacy', 'UEFI').
 
     # Example:
     # "Boot": {
@@ -101,17 +120,20 @@
     # - BIOS Mux Control Override : BIOS uses recommended setting of the mux at
     #   the end of POST
 
-    Redfish Set Boot Default  ${override_enabled}  ${override_target}
+    Redfish Set Boot Default  ${override_enabled}  ${override_target}  ${override_mode}
 
     ${output}=  Run IPMI Standard Command  chassis bootparam get 5
     Should Contain  ${output}  ${redfish_ipmi_enabled_map['${override_enabled}']}
     Should Contain  ${output}  ${redfish_ipmi_target_map['${override_target}']}
+    Run Keyword If  '${PLATFORM_ARCH_TYPE}' == 'x86'
+    ...  Should Contain  ${output}  ${redfish_ipmi_mode_map['${override_mode}']}
+
 
 Suite Teardown Execution
     [Documentation]  Do the post suite teardown.
 
     Redfish.Login
-    Set And Verify BootSource And BootType  Disabled  None
+    Set And Verify Boot Source Override  Disabled  None  UEFI
     Redfish.Logout