diff --git a/src/gui/presets.cpp b/src/gui/presets.cpp
index 46335227..67acca82 100644
--- a/src/gui/presets.cpp
+++ b/src/gui/presets.cpp
@@ -1405,7 +1405,7 @@ void FurnaceGUI::initSystemPresets() {
   ));
   cat.systems.push_back(FurnaceGUISysDef(
     "Capcom CPS-1", { 
-      DIV_SYSTEM_YM2151, 64, 0, 2,
+      DIV_SYSTEM_YM2151, 64, 0, 0, // 3.58MHz
       DIV_SYSTEM_MSM6295, 64, 0, 0,
       0
     }
@@ -1910,6 +1910,13 @@ void FurnaceGUI::initSystemPresets() {
       0
     }
   ));
+  cat.systems.push_back(FurnaceGUISysDef(
+    "Seta 1 + FM addon (extended channel 3)", {
+      DIV_SYSTEM_X1_010, 64, 0, 0,
+      DIV_SYSTEM_YM2612_EXT, 64, 0, 2, // Discrete YM3438
+      0
+    }
+  ));
   cat.systems.push_back(FurnaceGUISysDef(
     "Seta 2", {
       DIV_SYSTEM_X1_010, 64, 0, 1,
@@ -1965,6 +1972,14 @@ void FurnaceGUI::initSystemPresets() {
       0
     }
   ));
+  cat.systems.push_back(FurnaceGUISysDef(
+    "Dynax/Nakanihon 3rd generation hardware (drums mode)", {
+      DIV_SYSTEM_AY8910, 64, 0, 0, // AY or YM, optional - 1.79MHz or 3.58MHz; various per game
+      DIV_SYSTEM_OPLL_DRUMS, 64, 0, 0,
+      DIV_SYSTEM_MSM6295, 64, 0, 6, // 1.023MHz mostly
+      0
+    }
+  ));
   cat.systems.push_back(FurnaceGUISysDef(
     "Dynax/Nakanihon Real Break", {
       DIV_SYSTEM_OPLL, 64, 0, 0,
@@ -1972,6 +1987,13 @@ void FurnaceGUI::initSystemPresets() {
       0
     }
   ));
+  cat.systems.push_back(FurnaceGUISysDef(
+    "Dynax/Nakanihon Real Break (drums mode)", {
+      DIV_SYSTEM_OPLL_DRUMS, 64, 0, 0,
+      DIV_SYSTEM_YMZ280B, 64, 0, 0,
+      0
+    }
+  ));
   sysCategories.push_back(cat);
 
   cat=FurnaceGUISysCategory("DefleMask-compatible","these configurations are compatible with DefleMask.\nselect this if you need to save as .dmf or work with that program.");