diff --git a/core/emulator.cpp b/core/emulator.cpp
index 80ef425a5..25e5c99fe 100644
--- a/core/emulator.cpp
+++ b/core/emulator.cpp
@@ -204,7 +204,8 @@ static void loadSpecialSettings()
 			|| prod_id == "T18702M"		// Miss Moonlight
 			|| prod_id == "T0019M"		// KenJu Atomiswave DC Conversion
 			|| prod_id == "T0020M"		// Force Five Atomiswave DC Conversion
-			|| prod_id == "HDR-0187")	// Fushigi no Dungeon - Fuurai no Shiren Gaiden - Onna Kenshi Asuka Kenzan!
+			|| prod_id == "HDR-0187"	// Fushigi no Dungeon - Fuurai no Shiren Gaiden - Onna Kenshi Asuka Kenzan!
+			|| prod_id == "T15104D 50") // Slave Zero (PAL)
 		{
 			NOTICE_LOG(BOOT, "Forcing real BIOS");
 			config::UseReios.override(false);
@@ -223,7 +224,8 @@ static void loadSpecialSettings()
 			config::Broadcast.override(1);
 		}
 		if (prod_id == "T1102M"				// Densha de Go! 2
-				|| prod_id == "T00000A")	// The Ring of the Nibelungen (demo, hack)
+				|| prod_id == "T00000A"		// The Ring of the Nibelungen (demo, hack)
+				|| prod_id == "T15124N 00")	// Worms Pinball (prototype)
 		{
 			NOTICE_LOG(BOOT, "Forcing Full Framebuffer Emulation");
 			config::EmulateFramebuffer.override(true);
diff --git a/core/hw/maple/maple_if.cpp b/core/hw/maple/maple_if.cpp
index 2100a761d..56b45aa24 100644
--- a/core/hw/maple/maple_if.cpp
+++ b/core/hw/maple/maple_if.cpp
@@ -261,7 +261,7 @@ static void maple_DoDma()
 	// Maple bus max speed: 2 Mb/s, actual speed: 1 Mb/s
 	//printf("Maple XFER size %d bytes - %.2f ms\n", xfer_count, xfer_count * 1000.0f / (128 * 1024));
 	if (!occupy)
-		sh4_sched_request(maple_schid, std::min((u64)xfer_count * (SH4_MAIN_CLOCK / (128 * 1024)), (u64)SH4_MAIN_CLOCK));
+		sh4_sched_request(maple_schid, std::min((u64)xfer_count * (SH4_MAIN_CLOCK / (256 * 1024)), (u64)SH4_MAIN_CLOCK));
 }
 
 static int maple_schd(int tag, int c, int j)