diff --git a/Source/Atmosphere/stratosphere/loader/source/oc/customize.cpp b/Source/Atmosphere/stratosphere/loader/source/oc/customize.cpp
index 82f6617e..1be77755 100644
--- a/Source/Atmosphere/stratosphere/loader/source/oc/customize.cpp
+++ b/Source/Atmosphere/stratosphere/loader/source/oc/customize.cpp
@@ -86,17 +86,17 @@ volatile CustomizeTable C = {
 /* 1120mV is NVIDIA rating */
 .marikoCpuMaxVolt = 1120,
 
-/* Supported values: 1963000, 2091000, 2193000, 2295000, 2397000, 2499000, 2601000, 2703000. */
-/* 1963000 is official rating of T214/Mariko, fully safe. */
+/* Supported values: 1963500, 2091000, 2193000, 2295000, 2397000, 2499000, 2601000, 2703000. */
+/* 1963500 is official rating of T214/Mariko, fully safe. */
 /* 2091000-2295000 is a slight OC which should work on all units, but no guarantees. */
 /* 2397000 is the max safe OC for most average units with tuned undervolt. */
 /* 2499000 should be used with caution. */
 /* 2601000 exceeds pmic limit on most consoles. */
 /* 2703000 is potentially dangerous and not advised. */
-.marikoCpuMaxClock = 1963000,
+.marikoCpuMaxClock = 1963500,
 
 .eristaCpuBoostClock = 1785000, // Default boost clock
-.marikoCpuBoostClock = 1963000, // Default boost clock
+.marikoCpuBoostClock = 1963500, // Default boost clock
 
 .eristaGpuUV = 0,
 .eristaGpuVmin = 810,
@@ -220,7 +220,7 @@ volatile CustomizeTable C = {
     { 1683000, { 1168000, }, {  5100873, -279186,  4747, } },
     { 1785000, { 1225000, }, {  5100873, -279186,  4747, } },
     { 1887000, { 1225000, }, {  5100873, -279186,  4747, } },
-    { 1963500, { 1227500, }, {  5100873, -279186,  4747, } },
+    { 1989000, { 1227500, }, {  5100873, -279186,  4747, } },
     { 2091000, { 1227500, }, {  5100873, -279186,  4747, } },
     { 2193000, { 1227500, }, {  5100873, -279186,  4747, } },
     { 2295000, { 1256250, }, {  5100873, -279186,  4747, } },
diff --git a/Source/Atmosphere/stratosphere/loader/source/oc/pcv/pcv.hpp b/Source/Atmosphere/stratosphere/loader/source/oc/pcv/pcv.hpp
index 0cdccae8..ee36c324 100644
--- a/Source/Atmosphere/stratosphere/loader/source/oc/pcv/pcv.hpp
+++ b/Source/Atmosphere/stratosphere/loader/source/oc/pcv/pcv.hpp
@@ -58,7 +58,7 @@ namespace ams::ldr::hoc::pcv {
 
         static const u32 cpuVoltThermalData[] = { 620, 1120, 20000, 620, 1120, 70000, 950, 1132, 0, 950, 1227, 0 };
 
-        static const u32 allowedCpuMaxFrequencies[] = { 1'963'000, 2'091'000, 2'193'000, 2'295'000, 2'397'000, 2'499'000, 2'601'000, 2'703'000, };
+        static const u32 allowedCpuMaxFrequencies[] = { 1'963'500, 2'091'000, 2'193'000, 2'295'000, 2'397'000, 2'499'000, 2'601'000, 2'703'000, };
 
         constexpr cvb_entry_t GpuCvbTableDefault[] = {
             // GPUB01_NA_CVB_TABLE
diff --git a/Source/hoc-clk/overlay/src/ui/gui/misc_gui.cpp b/Source/hoc-clk/overlay/src/ui/gui/misc_gui.cpp
index c24033ba..c2cee1c8 100644
--- a/Source/hoc-clk/overlay/src/ui/gui/misc_gui.cpp
+++ b/Source/hoc-clk/overlay/src/ui/gui/misc_gui.cpp
@@ -1065,7 +1065,7 @@ protected:
             std::vector<NamedValue> maxClkOptions = {
                 NamedValue("1785 MHz", 1785),
                 NamedValue("1887 MHz", 1887),
-                NamedValue("1963 MHz", 1963),
+                NamedValue("1989 MHz", 1989),
                 NamedValue("2091 MHz", 2091),
                 NamedValue("2193 MHz", 2193),
                 NamedValue("2295 MHz", 2295),
@@ -1123,9 +1123,7 @@ protected:
             );
 
             std::vector<NamedValue> maxClkOptions = {
-                NamedValue("1785 MHz", 1785000),
-                NamedValue("1887 MHz", 1887000),
-                NamedValue("1963 MHz", 1963000),
+                NamedValue("1963 MHz", 1963500),
                 NamedValue("2091 MHz", 2091000),
                 NamedValue("2193 MHz", 2193000),
                 NamedValue("2295 MHz", 2295000),
@@ -1361,7 +1359,7 @@ protected:
                 false
             );
         }
-        
+
         std::vector<NamedValue> gpuOffset = {
             NamedValue("-50 mV", 50),
             NamedValue("-45 mV", 45),