diff --git a/FEXCore/Source/Interface/Core/OpcodeDispatcher.cpp b/FEXCore/Source/Interface/Core/OpcodeDispatcher.cpp
index 0e31a08eb..0c9be13d9 100644
--- a/FEXCore/Source/Interface/Core/OpcodeDispatcher.cpp
+++ b/FEXCore/Source/Interface/Core/OpcodeDispatcher.cpp
@@ -3001,6 +3001,22 @@ void OpDispatchBuilder::SGDTOp(OpcodeArgs) {
   _StoreMemAutoTSO(GPRClass, GDTStoreSize, AddressMode {.Base = DestAddress, .Offset = 2, .AddrSize = OpSize::i64Bit}, _Constant(GDTAddress));
 }
 
+void OpDispatchBuilder::SIDTOp(OpcodeArgs) {
+  auto DestAddress = LoadSource(GPRClass, Op, Op->Dest, Op->Flags, {.LoadData = false});
+
+  // See SGDTOp, matches Linux in reported values
+  uint64_t IDTAddress = 0xFFFFFE0000000000ULL;
+  auto IDTStoreSize = OpSize::i64Bit;
+  if (!CTX->Config.Is64BitMode) {
+    // Mask off upper bits if 32-bit result.
+    IDTAddress &= ~0U;
+    IDTStoreSize = OpSize::i32Bit;
+  }
+
+  _StoreMemAutoTSO(GPRClass, OpSize::i16Bit, DestAddress, _Constant(0xfff));
+  _StoreMemAutoTSO(GPRClass, IDTStoreSize, AddressMode {.Base = DestAddress, .Offset = 2, .AddrSize = OpSize::i64Bit}, _Constant(IDTAddress));
+}
+
 void OpDispatchBuilder::SMSWOp(OpcodeArgs) {
   const bool IsMemDst = DestIsMem(Op);
 
diff --git a/FEXCore/Source/Interface/Core/OpcodeDispatcher.h b/FEXCore/Source/Interface/Core/OpcodeDispatcher.h
index ffee1ff53..48c530136 100644
--- a/FEXCore/Source/Interface/Core/OpcodeDispatcher.h
+++ b/FEXCore/Source/Interface/Core/OpcodeDispatcher.h
@@ -417,6 +417,7 @@ public:
   void EnterOp(OpcodeArgs);
 
   void SGDTOp(OpcodeArgs);
+  void SIDTOp(OpcodeArgs);
   void SMSWOp(OpcodeArgs);
 
   enum class VectorOpType {
diff --git a/FEXCore/Source/Interface/Core/OpcodeDispatcher/SecondaryGroupTables.h b/FEXCore/Source/Interface/Core/OpcodeDispatcher/SecondaryGroupTables.h
index e42ffe10f..dc04b4c3e 100644
--- a/FEXCore/Source/Interface/Core/OpcodeDispatcher/SecondaryGroupTables.h
+++ b/FEXCore/Source/Interface/Core/OpcodeDispatcher/SecondaryGroupTables.h
@@ -21,6 +21,11 @@ constexpr std::tuple<uint16_t, uint8_t, FEXCore::X86Tables::OpDispatchPtr> OpDis
   {OPD(FEXCore::X86Tables::TYPE_GROUP_7, PF_66, 0), 1, &OpDispatchBuilder::SGDTOp},
   {OPD(FEXCore::X86Tables::TYPE_GROUP_7, PF_F2, 0), 1, &OpDispatchBuilder::SGDTOp},
 
+  {OPD(FEXCore::X86Tables::TYPE_GROUP_7, PF_NONE, 1), 1, &OpDispatchBuilder::SIDTOp},
+  {OPD(FEXCore::X86Tables::TYPE_GROUP_7, PF_F3, 1), 1, &OpDispatchBuilder::SIDTOp},
+  {OPD(FEXCore::X86Tables::TYPE_GROUP_7, PF_66, 1), 1, &OpDispatchBuilder::SIDTOp},
+  {OPD(FEXCore::X86Tables::TYPE_GROUP_7, PF_F2, 1), 1, &OpDispatchBuilder::SIDTOp},
+
   {OPD(FEXCore::X86Tables::TYPE_GROUP_7, PF_NONE, 3), 1, &OpDispatchBuilder::PermissionRestrictedOp},
   {OPD(FEXCore::X86Tables::TYPE_GROUP_7, PF_F3, 3), 1, &OpDispatchBuilder::PermissionRestrictedOp},
   {OPD(FEXCore::X86Tables::TYPE_GROUP_7, PF_66, 3), 1, &OpDispatchBuilder::PermissionRestrictedOp},
diff --git a/FEXCore/Source/Interface/Core/X86Tables/SecondaryGroupTables.cpp b/FEXCore/Source/Interface/Core/X86Tables/SecondaryGroupTables.cpp
index bec7a0dda..a4bd99b5a 100644
--- a/FEXCore/Source/Interface/Core/X86Tables/SecondaryGroupTables.cpp
+++ b/FEXCore/Source/Interface/Core/X86Tables/SecondaryGroupTables.cpp
@@ -68,7 +68,7 @@ std::array<X86InstInfo, MAX_INST_SECOND_GROUP_TABLE_SIZE> SecondInstGroupOps = [
 
     // GROUP 7
     {OPD(TYPE_GROUP_7, PF_NONE, 0), 1, X86InstInfo{"SGDT", TYPE_INST, FLAGS_MODRM | FLAGS_SF_MOD_DST,         0, nullptr}},
-    {OPD(TYPE_GROUP_7, PF_NONE, 1), 1, X86InstInfo{"",     TYPE_SECOND_GROUP_MODRM, FLAGS_NONE, 0, nullptr}},
+    {OPD(TYPE_GROUP_7, PF_NONE, 1), 1, X86InstInfo{"SIDT", TYPE_INST, FLAGS_MODRM | FLAGS_SF_MOD_DST,         0, nullptr}},
     {OPD(TYPE_GROUP_7, PF_NONE, 2), 1, X86InstInfo{"",     TYPE_SECOND_GROUP_MODRM, FLAGS_NONE, 0, nullptr}},
     {OPD(TYPE_GROUP_7, PF_NONE, 3), 1, X86InstInfo{"",     TYPE_SECOND_GROUP_MODRM, FLAGS_NONE, 0, nullptr}},
     {OPD(TYPE_GROUP_7, PF_NONE, 4), 1, X86InstInfo{"SMSW", TYPE_INST, FLAGS_MODRM | FLAGS_SF_MOD_DST,          0, nullptr}},
@@ -77,7 +77,7 @@ std::array<X86InstInfo, MAX_INST_SECOND_GROUP_TABLE_SIZE> SecondInstGroupOps = [
     {OPD(TYPE_GROUP_7, PF_NONE, 7), 1, X86InstInfo{"",     TYPE_SECOND_GROUP_MODRM, FLAGS_NONE, 0, nullptr}},
 
     {OPD(TYPE_GROUP_7, PF_F3, 0), 1, X86InstInfo{"SGDT", TYPE_INST, FLAGS_MODRM | FLAGS_SF_MOD_DST,           0, nullptr}},
-    {OPD(TYPE_GROUP_7, PF_F3, 1), 1, X86InstInfo{"",     TYPE_SECOND_GROUP_MODRM, FLAGS_NONE,   0, nullptr}},
+    {OPD(TYPE_GROUP_7, PF_F3, 1), 1, X86InstInfo{"SIDT", TYPE_INST, FLAGS_MODRM | FLAGS_SF_MOD_DST,           0, nullptr}},
     {OPD(TYPE_GROUP_7, PF_F3, 2), 1, X86InstInfo{"",     TYPE_SECOND_GROUP_MODRM, FLAGS_NONE,   0, nullptr}},
     {OPD(TYPE_GROUP_7, PF_F3, 3), 1, X86InstInfo{"",     TYPE_SECOND_GROUP_MODRM, FLAGS_NONE,   0, nullptr}},
     {OPD(TYPE_GROUP_7, PF_F3, 4), 1, X86InstInfo{"SMSW", TYPE_INST, FLAGS_MODRM | FLAGS_SF_MOD_DST,            0, nullptr}},
@@ -86,7 +86,7 @@ std::array<X86InstInfo, MAX_INST_SECOND_GROUP_TABLE_SIZE> SecondInstGroupOps = [
     {OPD(TYPE_GROUP_7, PF_F3, 7), 1, X86InstInfo{"",     TYPE_SECOND_GROUP_MODRM, FLAGS_NONE,   0, nullptr}},
 
     {OPD(TYPE_GROUP_7, PF_66, 0), 1, X86InstInfo{"SGDT", TYPE_INST, FLAGS_MODRM | FLAGS_SF_MOD_DST,           0, nullptr}},
-    {OPD(TYPE_GROUP_7, PF_66, 1), 1, X86InstInfo{"",     TYPE_SECOND_GROUP_MODRM, FLAGS_NONE,   0, nullptr}},
+    {OPD(TYPE_GROUP_7, PF_66, 1), 1, X86InstInfo{"SIDT", TYPE_INST, FLAGS_MODRM | FLAGS_SF_MOD_DST,           0, nullptr}},
     {OPD(TYPE_GROUP_7, PF_66, 2), 1, X86InstInfo{"",     TYPE_SECOND_GROUP_MODRM, FLAGS_NONE,   0, nullptr}},
     {OPD(TYPE_GROUP_7, PF_66, 3), 1, X86InstInfo{"",     TYPE_SECOND_GROUP_MODRM, FLAGS_NONE,   0, nullptr}},
     {OPD(TYPE_GROUP_7, PF_66, 4), 1, X86InstInfo{"SMSW", TYPE_INST, FLAGS_MODRM | FLAGS_SF_MOD_DST,            0, nullptr}},
@@ -95,7 +95,7 @@ std::array<X86InstInfo, MAX_INST_SECOND_GROUP_TABLE_SIZE> SecondInstGroupOps = [
     {OPD(TYPE_GROUP_7, PF_66, 7), 1, X86InstInfo{"",     TYPE_SECOND_GROUP_MODRM, FLAGS_NONE,   0, nullptr}},
 
     {OPD(TYPE_GROUP_7, PF_F2, 0), 1, X86InstInfo{"SGDT", TYPE_INST, FLAGS_MODRM | FLAGS_SF_MOD_DST,           0, nullptr}},
-    {OPD(TYPE_GROUP_7, PF_F2, 1), 1, X86InstInfo{"",     TYPE_SECOND_GROUP_MODRM, FLAGS_NONE,   0, nullptr}},
+    {OPD(TYPE_GROUP_7, PF_F2, 1), 1, X86InstInfo{"SIDT", TYPE_INST, FLAGS_MODRM | FLAGS_SF_MOD_DST,           0, nullptr}},
     {OPD(TYPE_GROUP_7, PF_F2, 2), 1, X86InstInfo{"",     TYPE_SECOND_GROUP_MODRM, FLAGS_NONE,   0, nullptr}},
     {OPD(TYPE_GROUP_7, PF_F2, 3), 1, X86InstInfo{"",     TYPE_SECOND_GROUP_MODRM, FLAGS_NONE,   0, nullptr}},
     {OPD(TYPE_GROUP_7, PF_F2, 4), 1, X86InstInfo{"SMSW", TYPE_INST, FLAGS_MODRM | FLAGS_SF_MOD_DST,            0, nullptr}},