diff --git a/BizHawk.Emulation/Consoles/Nintendo/GBA/Meteor.cs b/BizHawk.Emulation/Consoles/Nintendo/GBA/Meteor.cs
index 43a75cb3c3..482eaa2f51 100644
--- a/BizHawk.Emulation/Consoles/Nintendo/GBA/Meteor.cs
+++ b/BizHawk.Emulation/Consoles/Nintendo/GBA/Meteor.cs
@@ -21,11 +21,13 @@ namespace BizHawk.Emulation.Consoles.Nintendo.GBA
 		public ControllerDefinition ControllerDefinition { get { return GBAController; } }
 		public IController Controller { get; set; }
 
-		public void Load(byte[] rom)
+		public void Load(byte[] rom, byte[] bios)
 		{
+			if (bios.Length != 16384)
+				throw new Exception("GBA bios must be exactly 16384 bytes!");
 			Init();
 			LibMeteor.libmeteor_reset();
-			LibMeteor.libmeteor_loadbios(File.ReadAllBytes("gbabios.rom"), 16384);
+			LibMeteor.libmeteor_loadbios(bios, (uint)bios.Length);
 			LibMeteor.libmeteor_loadrom(rom, (uint)rom.Length);
 		}
 
diff --git a/BizHawk.MultiClient/Config.cs b/BizHawk.MultiClient/Config.cs
index d270971e54..ea5d16b92f 100644
--- a/BizHawk.MultiClient/Config.cs
+++ b/BizHawk.MultiClient/Config.cs
@@ -99,6 +99,14 @@ namespace BizHawk.MultiClient
 		public string PathSNESCheats = Path.Combine(".", "Cheats");
 		public string PathSNESFirmwares = Path.Combine(".", "Firmwares");
 
+		public string BaseGBA = Path.Combine(".", "GBA");
+		public string PathGBAROMs = ".";
+		public string PathGBASavestates = Path.Combine(".", "State");
+		public string PathGBASaveRAM = Path.Combine(".", "SaveRAM");
+		public string PathGBAScreenshots = Path.Combine(".", "Screenshots");
+		public string PathGBACheats = Path.Combine(".", "Cheats");
+		public string PathGBAFirmwares = Path.Combine(".", "Firmwares");
+
 		public string BaseSMS = Path.Combine(".", "SMS");
 		public string PathSMSROMs = ".";
 		public string PathSMSSavestates = Path.Combine(".", "State");
diff --git a/BizHawk.MultiClient/MainForm.cs b/BizHawk.MultiClient/MainForm.cs
index d416acbb8d..e9fd749074 100644
--- a/BizHawk.MultiClient/MainForm.cs
+++ b/BizHawk.MultiClient/MainForm.cs
@@ -1809,12 +1809,12 @@ namespace BizHawk.MultiClient
 								break;
 							case "A78":
 								string ntsc_biospath = PathManager.MakeAbsolutePath(Global.Config.PathAtari7800NTSCBIOS, "A78");
-								string pal_biospath = PathManager.MakeAbsolutePath(Global.Config.PathAtari7800PALBIOS, "A78"); 
+								string pal_biospath = PathManager.MakeAbsolutePath(Global.Config.PathAtari7800PALBIOS, "A78");
 								string hsbiospath = PathManager.MakeAbsolutePath(Global.Config.PathAtari7800HighScoreBIOS, "A78");
 								byte[] NTSC_BIOS7800 = File.ReadAllBytes(ntsc_biospath);
 								byte[] PAL_BIOS7800 = File.ReadAllBytes(pal_biospath);
 								byte[] HighScoreBIOS = File.ReadAllBytes(hsbiospath);
-								
+
 								Atari7800 a78 = new Atari7800(game, rom.RomData, NTSC_BIOS7800, PAL_BIOS7800, HighScoreBIOS);
 								nextEmulator = a78;
 								break;
@@ -1825,8 +1825,20 @@ namespace BizHawk.MultiClient
 								nextEmulator = c64;
 								break;
 							case "GBA":
+								string gbabiospath = Path.Combine(PathManager.MakeAbsolutePath(Global.Config.PathGBAFirmwares, "GBA"), "gbabios.rom");
+								byte[] gbabios = null;
+
+								if (File.Exists(gbabiospath))
+								{
+									gbabios = File.ReadAllBytes(gbabiospath);
+								}
+								else
+								{
+									MessageBox.Show(string.Format("Couldn't open GBA BIOS: {0}\nCheck your firmware config", gbabiospath));
+									throw new Exception();
+								}
 								GBA gba = new GBA();
-								gba.Load(rom.RomData);
+								gba.Load(rom.RomData, gbabios);
 								nextEmulator = gba;
 								break;
 						}
diff --git a/BizHawk.MultiClient/config/PathManager.cs b/BizHawk.MultiClient/config/PathManager.cs
index 5ef038efdb..63fb9f2146 100644
--- a/BizHawk.MultiClient/config/PathManager.cs
+++ b/BizHawk.MultiClient/config/PathManager.cs
@@ -99,6 +99,8 @@ namespace BizHawk.MultiClient
 					return Global.Config.BaseSNES;
 				case "Coleco":
 					return Global.Config.BaseCOL;
+				case "GBA":
+					return Global.Config.BaseGBA;
 				case "NULL":
 				default:
 					return "";