diff --git a/Source/Atmosphere/stratosphere/loader/source/oc/customize.cpp b/Source/Atmosphere/stratosphere/loader/source/oc/customize.cpp
index d77e2e55..9a27876b 100644
--- a/Source/Atmosphere/stratosphere/loader/source/oc/customize.cpp
+++ b/Source/Atmosphere/stratosphere/loader/source/oc/customize.cpp
@@ -87,6 +87,8 @@ volatile CustomizeTable C = {
  */
 .marikoEmcVddqVolt = 0,
 
+.marikoCpuUV = 0,
+
 .marikoGpuUV = 0,
 
 .ramTimingPresetOne = 0,
@@ -152,10 +154,36 @@ volatile CustomizeTable C = {
     { 1887000, { 1609246, -37515, 27 }, { 1120000 } },
     { 1963500, { 1675751, -38635, 27 }, { 1120000 } },
     // Appending table
-    { 2091000, { 1716501, -39395, 27 }, { 1120000 } },
-    { 2193000, { 1775132, -40505, 27 }, { 1120000 } },
-    { 2295000, { 1866287, -42005, 27 }, { 1120000 } },
-    //{ 2397000, { 1961107, -43506, 27 }, { 1120000 } },
+    { 2091000, { 1716501, -39395, 27 }, { 1235000 } },
+    { 2193000, { 1775132, -40505, 27 }, { 1235000 } },
+    { 2295000, { 1866287, -42005, 27 }, { 1235000 } },
+    { 2397000, { 1961107, -43506, 27 }, { 1235000 } },
+},
+
+.marikoCpuDvfsTableSLT = {
+    {  204000, {  732856,   -17335,      113 }, {} },
+    {  306000, {  760024,   -18195,      113 }, {} },
+    {  408000, {  789258,   -19055,      113 }, {} },
+    {  510000, {  789258,   -19055,      113 }, {} },
+    {  612000, {  853926,   -20775,      113 }, {} },
+    {  714000, {  889361,   -21625,      113 }, {} },
+    {  816000, {  926862,   -22485,      113 }, {} },
+    {  918000, {  966431,   -23345,      113 }, {} },
+    { 1020000, { 1008066,   -24205,      113 }, { 1120000 } },
+    { 1122000, { 1051768,   -25065,      113 }, { 1120000 } },
+    { 1224000, { 1097537,   -25925,      113 }, { 1120000 } },
+    { 1326000, { 1145373,   -26785,      113 }, { 1120000 } },
+    { 1428000, { 1195276,   -27645,      113 }, { 1120000 } },
+    { 1581000, { 1274006,   -28935,      113 }, { 1120000 } },
+    { 1683000, { 1329076,   -29795,      113 }, { 1120000 } },
+    { 1785000, { 1386213,   -30655,      113 }, { 1120000 } },
+    { 1887000, { 1445416,   -31515,      113 }, { 1120000 } },
+    { 1963500, { 1490873,   -32155,      113 }, { 1120000 } },
+    // Appending table
+    { 2091000, { 1580725,   -33235,      113 }, { 1120000 } },
+    { 2193000, { 1580725,   -33235,      113 }, { 1235000 } },
+    { 2295000, { 1635431,   -34095,      113 }, { 1235000 } },
+    { 2397000, { 1702903,   -34955,      113 }, { 1235000 } },
 },
 
 /* - Erista GPU DVFS Table:
diff --git a/Source/Atmosphere/stratosphere/loader/source/oc/customize.hpp b/Source/Atmosphere/stratosphere/loader/source/oc/customize.hpp
index 697c0647..0213e474 100644
--- a/Source/Atmosphere/stratosphere/loader/source/oc/customize.hpp
+++ b/Source/Atmosphere/stratosphere/loader/source/oc/customize.hpp
@@ -53,6 +53,7 @@ typedef struct CustomizeTable {
     u32 marikoEmcMaxClock;
     u32 marikoEmcVddqVolt;
     //advanced config
+    u32 marikoCpuUV;
     u32 marikoGpuUV;
     u32 ramTimingPresetOne;
     u32 ramTimingPresetTwo;
@@ -63,6 +64,7 @@ typedef struct CustomizeTable {
     u32 ramTimingPresetSeven;
     CustomizeCpuDvfsTable eristaCpuDvfsTable;
     CustomizeCpuDvfsTable marikoCpuDvfsTable;
+    CustomizeCpuDvfsTable marikoCpuDvfsTableSLT;
     CustomizeGpuDvfsTable eristaGpuDvfsTable;
     CustomizeGpuDvfsTable marikoGpuDvfsTable;
     CustomizeGpuDvfsTable marikoGpuDvfsTableSLT;
diff --git a/Source/sys-clk-OC/sysmodule/src/file_utils.cpp b/Source/sys-clk-OC/sysmodule/src/file_utils.cpp
index 02e6e7a3..c1255913 100644
--- a/Source/sys-clk-OC/sysmodule/src/file_utils.cpp
+++ b/Source/sys-clk-OC/sysmodule/src/file_utils.cpp
@@ -304,7 +304,7 @@ Result FileUtils::CustParser(const char* filepath, size_t filesize) {
             LogLine("Set MEM Vdd2 volt to %u mV: %s", mvolt, R_FAILED(res) ? "Failed" : "OK");
         }
 
-        cpu_dvfs_table = &table.marikoCpuDvfsTable;
+        cpu_dvfs_table = table.marikoCpuUV ? &table.marikoCpuDvfsTable : &table.marikoCpuDvfsTableSLT;
         switch (table.marikoGpuUV) {
             case 0:
                 gpu_dvfs_table = &table.marikoGpuDvfsTable;
diff --git a/Source/sys-clk-OC/sysmodule/src/file_utils.h b/Source/sys-clk-OC/sysmodule/src/file_utils.h
index dba69968..14fa30b5 100644
--- a/Source/sys-clk-OC/sysmodule/src/file_utils.h
+++ b/Source/sys-clk-OC/sysmodule/src/file_utils.h
@@ -56,6 +56,7 @@ typedef struct CustTable {
     u32 marikoCpuMaxVolt;
     u32 marikoEmcMaxClock;
     u32 marikoEmcVddqVolt;
+    u32 marikoCpuUV;
     u32 marikoGpuUV;
     u32 ramTimingPresetOne;
     u32 ramTimingPresetTwo;
@@ -66,6 +67,7 @@ typedef struct CustTable {
     u32 ramTimingPresetSeven;
     CustomizeCpuDvfsTable eristaCpuDvfsTable;
     CustomizeCpuDvfsTable marikoCpuDvfsTable;
+    CustomizeCpuDvfsTable marikoCpuDvfsTableSLT;
     CustomizeGpuDvfsTable eristaGpuDvfsTable;
     CustomizeGpuDvfsTable marikoGpuDvfsTable;
     CustomizeGpuDvfsTable marikoGpuDvfsTableSLT;
diff --git a/pages/src/main.ts b/pages/src/main.ts
index 6e4b7a4d..fc71b45d 100644
--- a/pages/src/main.ts
+++ b/pages/src/main.ts
@@ -257,6 +257,19 @@ var CustTable: Array<CustEntry> = [
 ];
 
 var AdvTable: Array<AdvEntry> = [
+  new AdvEntry(
+    "marikoCpuUV",
+    "Enable Mariko CPU Undervolt",
+    CustPlatform.Mariko,
+    4,
+    ["Undervolt Mariko CPU",
+     "Your CPU might not withstand undervolt and performance might drop",
+     "<b>0</b> : Default Table",
+     "<b>1</b> : Undervolt Level 1 (SLT)",],
+     0,
+     [0,1],
+     1,
+  ),
   new AdvEntry(
     "marikoGpuUV",
     "Enable Mariko GPU Undervolt",
@@ -266,8 +279,8 @@ var AdvTable: Array<AdvEntry> = [
      "Your GPU might not withstand undervolt and may not work properly",
      "Can hang your console, or crash games",
      "<b>0</b> : Default Table",
-     "<b>1</b> : Undervolt Level 1 (Aggressive)",
-     "<b>2</b> : Undervolt Level 2 (Very Aggressive)"],
+     "<b>1</b> : Undervolt Level 1 (SLT: Aggressive)",
+     "<b>2</b> : Undervolt Level 2 (HiOPT: Very Aggressive)"],
      0,
      [0,2],
      1,
@@ -391,7 +404,7 @@ var AdvTable: Array<AdvEntry> = [
      ["WARNING: Unstable timings can corrupt your nand",
      "Latency decrement for both AUTO_ADJ and CUSTOM_ADJ",
      "Values are : WL - RL",
-     "<b>0</b> : Default Latency",
+     "<b>0</b> : Default Latency for AUTO_ADJ, Do Not Adjust for CUST_ADJ",
      "<b>1</b> : -2 - -4", 
      "<b>2</b> : -4 - -8", 
      "<b>3</b> : -6 - -12",