diff --git a/source/disc_io/disc.c b/source/disc_io/disc.c
index 4c57c53..1bcab66 100644
--- a/source/disc_io/disc.c
+++ b/source/disc_io/disc.c
@@ -64,6 +64,10 @@
 		
 	2006-08-02 - Chishm
 		* Added NinjaDS
+		
+	2006-12-25 - Chishm
+		* Added DLDI
+		* Removed experimental interfaces
 */
 
 #include "disc.h"
@@ -75,26 +79,24 @@
 
 
 // Include known io-interfaces:
+#include "io_dldi.h"
+#include "io_njsd.h"
+#include "io_nmmc.h"
 #include "io_mpcf.h"
 #include "io_m3cf.h"
-#include "io_m3sd.h"
 #include "io_sccf.h"
 #include "io_scsd.h"
+#include "io_m3sd.h"
 #include "io_fcsr.h"
-#include "io_nmmc.h"
-#include "io_efa2.h"
-#include "io_mmcf.h"
-#include "io_njsd.h"
 
 const IO_INTERFACE* ioInterfaces[] = {
+	&_io_dldi,		// Reserved for new interfaces
 #ifdef NDS
 	// Place Slot 1 (DS Card) interfaces here
 	&_io_njsd, &_io_nmmc,
 #endif
 	// Place Slot 2 (GBA Cart) interfaces here
 	&_io_mpcf, &_io_m3cf, &_io_sccf, &_io_scsd, &_io_m3sd, &_io_fcsr
-	// Experimental Slot 2 interfaces
-	, &_io_mmcf, &_io_efa2
 };
 
 /*
diff --git a/source/disc_io/io_dldi.h b/source/disc_io/io_dldi.h
new file mode 100644
index 0000000..dea25ad
--- /dev/null
+++ b/source/disc_io/io_dldi.h
@@ -0,0 +1,44 @@
+/*
+ io_dldi.h 
+
+ Reserved space for post-compilation adding of an extra driver
+
+ Copyright (c) 2006 Michael "Chishm" Chisholm
+	
+ Redistribution and use in source and binary forms, with or without modification,
+ are permitted provided that the following conditions are met:
+
+  1. Redistributions of source code must retain the above copyright notice,
+     this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright notice,
+     this list of conditions and the following disclaimer in the documentation and/or
+     other materials provided with the distribution.
+  3. The name of the author may not be used to endorse or promote products derived
+     from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
+ LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+	2006-12-22 - Chishm
+		* Original release
+*/
+
+#ifndef IO_DLDI_H
+#define IO_DLDI_H
+
+// 'DLDD'
+#define DEVICE_TYPE_DLDD 0x49444C44
+
+#include "disc_io.h"
+
+// export interface
+extern const IO_INTERFACE _io_dldi ;
+
+#endif	// define IO_DLDI_H
diff --git a/source/disc_io/io_dldi.s b/source/disc_io/io_dldi.s
new file mode 100644
index 0000000..8d21522
--- /dev/null
+++ b/source/disc_io/io_dldi.s
@@ -0,0 +1,70 @@
+@---------------------------------------------------------------------------------
+	.align	4
+	.arm
+	.global _io_dldi
+@---------------------------------------------------------------------------------
+.equ FEATURE_MEDIUM_CANREAD,		0x00000001
+.equ FEATURE_MEDIUM_CANWRITE,		0x00000002
+.equ FEATURE_SLOT_GBA,				0x00000010
+.equ FEATURE_SLOT_NDS,				0x00000020
+
+
+@---------------------------------------------------------------------------------
+@ Driver patch file standard header -- 16 bytes
+	.word	0xBF8DA5ED		@ Magic number to identify this region
+	.asciz	" Chishm"		@ Identifying Magic string (8 bytes with null terminator)
+	.byte	0x01			@ Version number
+	.byte	0x0F	@32KiB	@ Log [base-2] of the size of this driver in bytes.
+	.byte	0x00			@ Sections to fix
+	.byte 	0x0F	@32KiB	@ Log [base-2] of the allocated space in bytes.
+	
+@---------------------------------------------------------------------------------
+@ Text identifier - can be anything up to 47 chars + terminating null -- 16 bytes
+	.align	4
+	.asciz "Default (No interface)"
+
+@---------------------------------------------------------------------------------
+@ Offsets to important sections within the data	-- 32 bytes
+	.align	6
+	.word   0x00000000		@ data start
+	.word   0x00000000		@ data end
+	.word	0x00000000		@ Interworking glue start	-- Needs address fixing
+	.word	0x00000000		@ Interworking glue end
+	.word   0x00000000		@ GOT start					-- Needs address fixing
+	.word   0x00000000		@ GOT end
+	.word   0x00000000		@ bss start					-- Needs setting to zero
+	.word   0x00000000		@ bss end
+
+@---------------------------------------------------------------------------------
+@ IO_INTERFACE data -- 32 bytes
+_io_dldi:
+	.ascii	"DLDI"					@ ioType
+	.word	0x00000000				@ Features
+	.word	_DLDI_startup			@ 
+	.word	_DLDI_isInserted		@ 
+	.word	_DLDI_readSectors		@   Function pointers to standard device driver functions
+	.word	_DLDI_writeSectors		@ 
+	.word	_DLDI_clearStatus		@ 
+	.word	_DLDI_shutdown			@ 
+	
+@---------------------------------------------------------------------------------
+
+_DLDI_startup:
+_DLDI_isInserted:
+_DLDI_readSectors:
+_DLDI_writeSectors:
+_DLDI_clearStatus:
+_DLDI_shutdown:
+	mov		r0, #0x00				@ Return false for every function
+	bx		lr
+
+
+
+@---------------------------------------------------------------------------------
+	.align
+	.pool
+
+.space 32632						@ Fill to 32KiB
+
+	.end
+@---------------------------------------------------------------------------------