diff --git a/libpldmresponder/bios_enum_attribute.cpp b/libpldmresponder/bios_enum_attribute.cpp
new file mode 100644
index 0000000..7d7cba4
--- /dev/null
+++ b/libpldmresponder/bios_enum_attribute.cpp
@@ -0,0 +1,204 @@
+#include "bios_enum_attribute.hpp"
+
+#include "utils.hpp"
+
+#include <iostream>
+
+namespace pldm
+{
+namespace responder
+{
+namespace bios
+{
+
+BIOSEnumAttribute::BIOSEnumAttribute(const Json& entry,
+                                     DBusHandler* const dbusHandler) :
+    BIOSAttribute(entry, dbusHandler)
+{
+    std::string attrName = entry.at("attribute_name");
+    Json pv = entry.at("possible_values");
+    for (auto& val : pv)
+    {
+        possibleValues.emplace_back(val);
+    }
+
+    std::vector<std::string> defaultValues;
+    Json dv = entry.at("default_values");
+    for (auto& val : dv)
+    {
+        defaultValues.emplace_back(val);
+    }
+    assert(defaultValues.size() == 1);
+    defaultValue = defaultValues[0];
+    if (!readOnly)
+    {
+        auto dbusValues = entry.at("dbus").at("property_values");
+        buildValMap(dbusValues);
+    }
+}
+
+uint8_t BIOSEnumAttribute::getValueIndex(const std::string& value,
+                                         const std::vector<std::string>& pVs)
+{
+    auto iter = std::find_if(pVs.begin(), pVs.end(),
+                             [&value](const auto& v) { return v == value; });
+    if (iter == pVs.end())
+    {
+        throw std::invalid_argument("value must be one of possible value");
+    }
+    return iter - pVs.begin();
+}
+
+std::vector<uint16_t> BIOSEnumAttribute::getPossibleValuesHandle(
+    const BIOSStringTable& stringTable, const std::vector<std::string>& pVs)
+{
+    std::vector<uint16_t> possibleValuesHandle;
+    for (const auto& pv : pVs)
+    {
+        auto handle = stringTable.findHandle(pv);
+        possibleValuesHandle.push_back(handle);
+    }
+
+    return possibleValuesHandle;
+}
+
+void BIOSEnumAttribute::buildValMap(const Json& dbusVals)
+{
+    PropertyValue value;
+    size_t pos = 0;
+    for (auto it = dbusVals.begin(); it != dbusVals.end(); ++it, ++pos)
+    {
+        if (dBusMap->propertyType == "uint8_t")
+        {
+            value = static_cast<uint8_t>(it.value());
+        }
+        else if (dBusMap->propertyType == "uint16_t")
+        {
+            value = static_cast<uint16_t>(it.value());
+        }
+        else if (dBusMap->propertyType == "uint32_t")
+        {
+            value = static_cast<uint32_t>(it.value());
+        }
+        else if (dBusMap->propertyType == "uint64_t")
+        {
+            value = static_cast<uint64_t>(it.value());
+        }
+        else if (dBusMap->propertyType == "int16_t")
+        {
+            value = static_cast<int16_t>(it.value());
+        }
+        else if (dBusMap->propertyType == "int32_t")
+        {
+            value = static_cast<int32_t>(it.value());
+        }
+        else if (dBusMap->propertyType == "int64_t")
+        {
+            value = static_cast<int64_t>(it.value());
+        }
+        else if (dBusMap->propertyType == "bool")
+        {
+            value = static_cast<bool>(it.value());
+        }
+        else if (dBusMap->propertyType == "double")
+        {
+            value = static_cast<double>(it.value());
+        }
+        else if (dBusMap->propertyType == "string")
+        {
+            value = static_cast<std::string>(it.value());
+        }
+        else
+        {
+            std::cerr << "Unknown D-Bus property type, TYPE="
+                      << dBusMap->propertyType << "\n";
+            throw std::invalid_argument("Unknown D-BUS property type");
+        }
+        valMap.emplace(value, possibleValues[pos]);
+    }
+}
+
+uint8_t BIOSEnumAttribute::getAttrValueIndex()
+{
+    auto defaultValueIndex = getValueIndex(defaultValue, possibleValues);
+    if (readOnly)
+    {
+        return defaultValueIndex;
+    }
+
+    try
+    {
+        auto propValue = dbusHandler->getDbusPropertyVariant(
+            dBusMap->objectPath.c_str(), dBusMap->propertyName.c_str(),
+            dBusMap->interface.c_str());
+        auto iter = valMap.find(propValue);
+        if (iter == valMap.end())
+        {
+            return defaultValueIndex;
+        }
+        auto currentValue = iter->second;
+        return getValueIndex(currentValue, possibleValues);
+    }
+    catch (const std::exception& e)
+    {
+        return defaultValueIndex;
+    }
+}
+
+void BIOSEnumAttribute::setAttrValueOnDbus(
+    const pldm_bios_attr_val_table_entry* attrValueEntry,
+    const pldm_bios_attr_table_entry* attrEntry,
+    const BIOSStringTable& stringTable)
+{
+    if (readOnly)
+    {
+        return;
+    }
+    auto [pvHdls, _] = table::attribute::decodeEnumEntry(attrEntry);
+    auto currHdls = table::attribute_value::decodeEnumEntry(attrValueEntry);
+
+    assert(currHdls.size() == 1);
+
+    auto valueString = stringTable.findString(pvHdls[currHdls[0]]);
+
+    auto it = std::find_if(valMap.begin(), valMap.end(),
+                           [&valueString](const auto& typePair) {
+                               return typePair.second == valueString;
+                           });
+    if (it == valMap.end())
+    {
+        return;
+    }
+
+    dbusHandler->setDbusProperty(*dBusMap, it->first);
+}
+
+void BIOSEnumAttribute::constructEntry(const BIOSStringTable& stringTable,
+                                       Table& attrTable, Table& attrValueTable)
+{
+    auto possibleValuesHandle =
+        getPossibleValuesHandle(stringTable, possibleValues);
+    std::vector<uint8_t> defaultIndices(1, 0);
+    defaultIndices[0] = getValueIndex(defaultValue, possibleValues);
+
+    pldm_bios_table_attr_entry_enum_info info = {
+        stringTable.findHandle(name),         readOnly,
+        (uint8_t)possibleValuesHandle.size(), possibleValuesHandle.data(),
+        (uint8_t)defaultIndices.size(),       defaultIndices.data(),
+    };
+
+    auto attrTableEntry =
+        table::attribute::constructEnumEntry(attrTable, &info);
+    auto [attrHandle, attrType, _] =
+        table::attribute::decodeHeader(attrTableEntry);
+
+    std::vector<uint8_t> currValueIndices(1, 0);
+    currValueIndices[0] = getAttrValueIndex();
+
+    table::attribute_value::constructEnumEntry(attrValueTable, attrHandle,
+                                               attrType, currValueIndices);
+}
+
+} // namespace bios
+} // namespace responder
+} // namespace pldm
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