diff --git a/hash/adam_flop.xml b/hash/adam_flop.xml
index d1de2273982..79fddc6cc7c 100644
--- a/hash/adam_flop.xml
+++ b/hash/adam_flop.xml
@@ -2,6 +2,42 @@
 <!DOCTYPE softwarelist SYSTEM "softwarelist.dtd">
 <softwarelist name="adam_flop" description="Coleco Adam diskettes">
 
+	<software name="diskdoc">
+		<description>Disk Doctor v1.4</description>
+		<year>1987</year>
+		<publisher>AJM Software</publisher>
+
+		<part name="flop1" interface="floppy_5_25">
+			<dataarea name="flop" size="52231">
+				<rom name="diskdoc.imd" size="52231" crc="33bf7050" sha1="413e091fb915c713f56004cbedc2be9dca9e12d6" offset="0" />
+			</dataarea>
+		</part>
+	</software>
+
+	<software name="diskman">
+		<description>Disk Manager</description>
+		<year>1984</year>
+		<publisher>Coleco</publisher>
+
+		<part name="flop1" interface="floppy_5_25">
+			<dataarea name="flop" size="162897">
+				<rom name="diskman1.imd" size="162897" crc="160d75a1" sha1="cb43a4c16abc24de4692038c94f7836c25fa495a" offset="0" />
+			</dataarea>
+		</part>
+	</software>
+
+	<software name="diskmana" cloneof="diskman">
+		<description>Disk Manager (Alt)</description>
+		<year>1984</year>
+		<publisher>Coleco</publisher>
+
+		<part name="flop1" interface="floppy_5_25">
+			<dataarea name="flop" size="163410">
+				<rom name="diskman2.imd" size="163410" crc="4db60438" sha1="9c1b815833726457d54c9bfc8848434cdbd2145e" offset="0" />
+			</dataarea>
+		</part>
+	</software>
+
 	<software name="bestbc">
 		<description>Best of B.C. Featuring B.C's Quest For Tires and B.C. II: Grog's Revenge</description>
 		<year>1985</year>
diff --git a/src/emu/bus/adamnet/fdc.c b/src/emu/bus/adamnet/fdc.c
index 106f315e46c..cb7b778e8aa 100644
--- a/src/emu/bus/adamnet/fdc.c
+++ b/src/emu/bus/adamnet/fdc.c
@@ -9,6 +9,16 @@
 
 **********************************************************************/
 
+/*
+	
+	TODO:
+
+	- 320KB DSDD 5.25"
+	- 720KB DSDD 3.5"
+	- 1.44MB DSHD 3.5"
+
+*/
+
 #include "fdc.h"
 
 
@@ -113,7 +123,7 @@ FLOPPY_FORMATS_MEMBER( adam_fdc_device::floppy_formats )
 FLOPPY_FORMATS_END
 
 static SLOT_INTERFACE_START( adam_fdc_floppies )
-	SLOT_INTERFACE( "525dd", FLOPPY_525_DD )
+	SLOT_INTERFACE( "525ssdd", FLOPPY_525_SSDD )
 SLOT_INTERFACE_END
 
 
@@ -128,7 +138,7 @@ static MACHINE_CONFIG_FRAGMENT( adam_fdc )
 
 	MCFG_WD2793x_ADD(WD2793_TAG, XTAL_4MHz/4)
 
-	MCFG_FLOPPY_DRIVE_ADD(WD2793_TAG":0", adam_fdc_floppies, "525dd", adam_fdc_device::floppy_formats)
+	MCFG_FLOPPY_DRIVE_ADD(WD2793_TAG":0", adam_fdc_floppies, "525ssdd", adam_fdc_device::floppy_formats)
 MACHINE_CONFIG_END
 
 
@@ -348,3 +358,12 @@ WRITE8_MEMBER( adam_fdc_device::p2_w )
 
 	m_bus->txd_w(this, BIT(data, 4));
 }
+
+
+//-------------------------------------------------
+//  DEVICE_INPUT_DEFAULTS( drive2 )
+//-------------------------------------------------
+
+DEVICE_INPUT_DEFAULTS_START( drive2 )
+	DEVICE_INPUT_DEFAULTS("SW3", 0x01, 0x01)
+DEVICE_INPUT_DEFAULTS_END
diff --git a/src/emu/bus/adamnet/fdc.h b/src/emu/bus/adamnet/fdc.h
index fee37379622..b8ec89575a6 100644
--- a/src/emu/bus/adamnet/fdc.h
+++ b/src/emu/bus/adamnet/fdc.h
@@ -71,5 +71,9 @@ protected:
 extern const device_type ADAM_FDC;
 
 
+// default inputs
+extern const input_device_default DEVICE_INPUT_DEFAULTS_NAME( drive2 )[];
+
+
 
 #endif
diff --git a/src/lib/formats/adam_dsk.c b/src/lib/formats/adam_dsk.c
index 57150e79934..19d285be3f9 100644
--- a/src/lib/formats/adam_dsk.c
+++ b/src/lib/formats/adam_dsk.c
@@ -30,12 +30,23 @@ const char *adam_format::extensions() const
 	return "dsk";
 }
 
-// Unverified gap sizes
 const adam_format::format adam_format::formats[] = {
+	// track description
+	// 100x4e 12x00 3xf5 fe 2x00 01 02 f7 22x4e 12x00 3xf5 fb 512xe5 f7
+	// 100x4e 12x00 3xf5 fe 2x00 02 02 f7 22x4e 12x00 3xf5 fb 512xe5 f7
+	// 100x4e 12x00 3xf5 fe 2x00 03 02 f7 22x4e 12x00 3xf5 fb 512xe5 f7
+	// 100x4e 12x00 3xf5 fe 2x00 04 02 f7 22x4e 12x00 3xf5 fb 512xe5 f7
+	// 100x4e 12x00 3xf5 fe 2x00 05 02 f7 22x4e 12x00 3xf5 fb 512xe5 f7
+	// 100x4e 12x00 3xf5 fe 2x00 06 02 f7 22x4e 12x00 3xf5 fb 512xe5 f7
+	// 100x4e 12x00 3xf5 fe 2x00 07 02 f7 22x4e 12x00 3xf5 fb 512xe5 f7
+	// 100x4e 12x00 3xf5 fe 2x00 08 02 f7 22x4e 12x00 3xf5 fb 512xe5 f7
+	// 859x4e
 	{   /*  160K 5 1/4 inch double density single sided */
 		floppy_image::FF_525, floppy_image::SSDD, floppy_image::MFM,
-		2000,  8, 40, 1, 512, {}, 1, {}, 100, 22, 84
+		2000,  8, 40, 1, 512, {}, 1, {}, 100, 22, 100
 	},
+	
+	// Unverified gap sizes -->
 	{   /*  320K 5 1/4 inch double density */
 		floppy_image::FF_525, floppy_image::DSDD, floppy_image::MFM,
 		2000,  8, 40, 2, 512, {}, 1, {}, 100, 22, 84
diff --git a/src/mess/drivers/adam.c b/src/mess/drivers/adam.c
index 67e94cbde2e..01bf3663d4a 100644
--- a/src/mess/drivers/adam.c
+++ b/src/mess/drivers/adam.c
@@ -1135,7 +1135,8 @@ static MACHINE_CONFIG_START( adam, adam_state )
 	MCFG_ADAMNET_SLOT_ADD("net2", adamnet_devices, "prn")
 	MCFG_ADAMNET_SLOT_ADD("net3", adamnet_devices, "ddp")
 	MCFG_ADAMNET_SLOT_ADD("net4", adamnet_devices, "fdc")
-	MCFG_ADAMNET_SLOT_ADD("net5", adamnet_devices, NULL)
+	MCFG_ADAMNET_SLOT_ADD("net5", adamnet_devices, "fdc")
+	MCFG_DEVICE_CARD_DEVICE_INPUT_DEFAULTS("fdc", drive2)
 	MCFG_ADAMNET_SLOT_ADD("net6", adamnet_devices, NULL)
 	MCFG_ADAMNET_SLOT_ADD("net7", adamnet_devices, NULL)
 	MCFG_ADAMNET_SLOT_ADD("net8", adamnet_devices, NULL)