diff --git a/src/BizHawk.Emulation.Common/Database/FirmwareDatabase.cs b/src/BizHawk.Emulation.Common/Database/FirmwareDatabase.cs
index 28e0ff2c77..67f0e922f6 100644
--- a/src/BizHawk.Emulation.Common/Database/FirmwareDatabase.cs
+++ b/src/BizHawk.Emulation.Common/Database/FirmwareDatabase.cs
@@ -197,8 +197,9 @@ namespace BizHawk.Emulation.Common
 			FirmwareAndOption("302AFB5D8BE26C758309CA3DF611AE69CCED2821", 32768, "MSX", "bios_basic_jpn", "MSX_jpn.rom", "MSX 1.0 JPN BIOS and BASIC");
 
 			// Channel F
-			FirmwareAndOption("81193965A374D77B99B4743D317824B53C3E3C78", 1024, "ChannelF", "ChannelF_sl131253", "ChannelF_SL31253.rom", "Channel F Rom0");
-			FirmwareAndOption("8F70D1B74483BA3A37E86CF16C849D601A8C3D2C", 1024, "ChannelF", "ChannelF_sl131254", "ChannelF_SL31254.rom", "Channel F Rom1");
+			FirmwareAndOption("81193965A374D77B99B4743D317824B53C3E3C78", 1024, "ChannelF", "ChannelF_sl131253", "ChannelF_SL31253.rom", "Channel F BIOS (PSU1)");
+			FirmwareAndOption("8F70D1B74483BA3A37E86CF16C849D601A8C3D2C", 1024, "ChannelF", "ChannelF_sl131254", "ChannelF_SL31254.rom", "Channel F BIOS (PSU2)");
+			FirmwareAndOption("759E2ED31FBDE4A2D8DAF8B9F3E0DFFEBC90DAE2", 1024, "ChannelF", "ChannelF_sl90025", "ChannelF_sl90025.rom", "Channel F II BIOS (PSU1)");
 
 			// Saturn
 			var ss_100_j = File("2B8CB4F87580683EB4D760E4ED210813D667F0A2", 524288, "SAT_1.00-(J).bin", "Bios v1.00 (J)");
diff --git a/src/BizHawk.Emulation.Cores/Consoles/Fairchild/ChannelF/ChannelF.ISettable.cs b/src/BizHawk.Emulation.Cores/Consoles/Fairchild/ChannelF/ChannelF.ISettable.cs
index 3ab64a87e3..15a090cd31 100644
--- a/src/BizHawk.Emulation.Cores/Consoles/Fairchild/ChannelF/ChannelF.ISettable.cs
+++ b/src/BizHawk.Emulation.Cores/Consoles/Fairchild/ChannelF/ChannelF.ISettable.cs
@@ -36,11 +36,6 @@ namespace BizHawk.Emulation.Cores.Consoles.ChannelF
 		[CoreSettings]
 		public class ChannelFSettings
 		{
-			[DisplayName("Default Background Color")]
-			[Description("The default BG color")]
-			[DefaultValue(0)]
-			public int BackgroundColor { get; set; }
-
 			public ChannelFSettings Clone()
 			{
 				return (ChannelFSettings)MemberwiseClone();
@@ -63,6 +58,10 @@ namespace BizHawk.Emulation.Cores.Consoles.ChannelF
 			[Description("NTSC or PAL - Affects the CPU clock speed and refresh rate")]
 			[DefaultValue(RegionType.NTSC)]
 			public RegionType Region { get; set; }
+			[DisplayName("Version")]
+			[Description("Both versions are the same from an emulation perspective. Channel F II has a very slightly different BIOS to Channel F")]
+			[DefaultValue(ConsoleVersion.ChannelF)]
+			public ConsoleVersion Version { get; set; }
 
 			public ChannelFSyncSettings Clone()
 			{
@@ -85,5 +84,11 @@ namespace BizHawk.Emulation.Cores.Consoles.ChannelF
 			NTSC,
 			PAL
 		}
+
+		public enum ConsoleVersion
+		{
+			ChannelF,
+			ChannelF_II
+		}
 	}
 }
diff --git a/src/BizHawk.Emulation.Cores/Consoles/Fairchild/ChannelF/ChannelF.cs b/src/BizHawk.Emulation.Cores/Consoles/Fairchild/ChannelF/ChannelF.cs
index acee864be8..c7448cf4f6 100644
--- a/src/BizHawk.Emulation.Cores/Consoles/Fairchild/ChannelF/ChannelF.cs
+++ b/src/BizHawk.Emulation.Cores/Consoles/Fairchild/ChannelF/ChannelF.cs
@@ -22,19 +22,25 @@ namespace BizHawk.Emulation.Cores.Consoles.ChannelF
 			SyncSettings = lp.SyncSettings ?? new ChannelFSyncSettings();
 
 			region = SyncSettings.Region;
+			version = SyncSettings.Version;
 
 			MemoryCallbacks = new MemoryCallbackSystem(new[] { "System Bus" });
 
 			ControllerDefinition = ChannelFControllerDefinition;
 
-			var bios01 = CoreComm.CoreFileProvider.GetFirmwareOrThrow(new("ChannelF", "ChannelF_sl131253"));
-			var bios02 = CoreComm.CoreFileProvider.GetFirmwareOrThrow(new("ChannelF", "ChannelF_sl131254"));
-			//var bios02 = CoreComm.CoreFileProvider.GetFirmwareOrThrow(new("ChannelF", "ChannelF_sl90025"));
+			if (version == ConsoleVersion.ChannelF)
+			{
+				BIOS01 = CoreComm.CoreFileProvider.GetFirmwareOrThrow(new("ChannelF", "ChannelF_sl131253"));
+				BIOS02 = CoreComm.CoreFileProvider.GetFirmwareOrThrow(new("ChannelF", "ChannelF_sl131254"));
+			}
+			else
+			{
+				BIOS01 = CoreComm.CoreFileProvider.GetFirmwareOrThrow(new("ChannelF", "ChannelF_sl90025"));
+				BIOS02 = CoreComm.CoreFileProvider.GetFirmwareOrThrow(new("ChannelF", "ChannelF_sl131254"));
+			}
 
 			Cartridge = VesCartBase.Configure(_gameInfo[0], _files[0]);
-
-			BIOS01 = bios01;
-			BIOS02 = bios02;			
+			
 
 			CPU = new F3850
 			{
@@ -71,6 +77,7 @@ namespace BizHawk.Emulation.Cores.Consoles.ChannelF
 
 		public VesCartBase Cartridge;
 		public RegionType region;
+		public ConsoleVersion version;
 
 		public bool DriveLightEnabled => Cartridge.HasActivityLED;