diff --git a/src/mess/drivers/esq5505.c b/src/mess/drivers/esq5505.c
index a40a46b39f1..8e641ede9db 100644
--- a/src/mess/drivers/esq5505.c
+++ b/src/mess/drivers/esq5505.c
@@ -377,7 +377,7 @@ static ADDRESS_MAP_START( eps_map, AS_PROGRAM, 16, esq5505_state )
 	AM_RANGE(0x280000, 0x28001f) AM_DEVREADWRITE8("duart", duartn68681_device, read, write, 0x00ff)
 	AM_RANGE(0x2c0000, 0x2c0007) AM_DEVREADWRITE8("wd1772", wd1772_t, read, write, 0x00ff)
 	AM_RANGE(0x580000, 0x7fffff) AM_RAM         // sample RAM?
-	AM_RANGE(0xc00000, 0xc0ffff) AM_ROM AM_REGION("osrom", 0)
+	AM_RANGE(0xc00000, 0xc1ffff) AM_ROM AM_REGION("osrom", 0)
 	AM_RANGE(0xff0000, 0xffffff) AM_RAM AM_SHARE("osram")
 ADDRESS_MAP_END
 
@@ -906,7 +906,7 @@ ROM_START( sqrack )
 ROM_END
 
 ROM_START( eps )
-	ROM_REGION(0x10000, "osrom", 0)
+	ROM_REGION(0x20000, "osrom", 0)
 	ROM_LOAD16_BYTE( "eps-l.bin",    0x000000, 0x008000, CRC(382beac1) SHA1(110e31edb03fcf7bbde3e17423b21929e5b32db2) )
 	ROM_LOAD16_BYTE( "eps-h.bin",    0x000001, 0x008000, CRC(d8747420) SHA1(460597751386eb5f08465699b61381c4acd78065) )
 
@@ -915,6 +915,16 @@ ROM_START( eps )
 	ROM_REGION(0x200000, "waverom2", ROMREGION_ERASE00)
 ROM_END
 
+ROM_START( eps16p )
+	ROM_REGION(0x20000, "osrom", 0)
+	ROM_LOAD16_BYTE( "eps16plus-100f-lower.u27", 0x000000, 0x010000, CRC(78568d3f) SHA1(ac737e093f422e109e8f06d44548629a12d6418c) ) 
+	ROM_LOAD16_BYTE( "eps16plus-100f-upper.u28", 0x000001, 0x010000, CRC(1264465f) SHA1(71604da091bd90a32f0d93698d70b9e114ec1697) )
+
+	ROM_REGION(0x200000, "waverom", ROMREGION_ERASE00)  // EPS-16 Plus has no ROM sounds
+
+	ROM_REGION(0x200000, "waverom2", ROMREGION_ERASE00)
+ROM_END
+
 DRIVER_INIT_MEMBER(esq5505_state,common)
 {
 	m_system_type = GENERIC;
@@ -964,7 +974,9 @@ DRIVER_INIT_MEMBER(esq5505_state,denib)
 CONS( 1988, eps,   0, 0,   eps,   vfx, esq5505_state, eps,    "Ensoniq", "EPS", GAME_NOT_WORKING )   // custom VFD: one alphanumeric 22-char row, one graphics-capable row (alpha row can also do bar graphs)
 CONS( 1989, vfx,   0, 0,   vfx,   vfx, esq5505_state, denib,  "Ensoniq", "VFX", GAME_NOT_WORKING )       // 2x40 VFD
 CONS( 1989, vfxsd, 0, 0,   vfxsd, vfx, esq5505_state, denib,  "Ensoniq", "VFX-SD", GAME_NOT_WORKING )    // 2x40 VFD
+CONS( 1990, eps16p,eps, 0, eps,   vfx, esq5505_state, eps,    "Ensoniq", "EPS-16 Plus", GAME_NOT_WORKING )   // custom VFD: one alphanumeric 22-char row, one graphics-capable row (alpha row can also do bar graphs)
 CONS( 1990, sd1,   0, 0,   vfxsd, vfx, esq5505_state, denib,  "Ensoniq", "SD-1 (21 voice)", GAME_NOT_WORKING )  // 2x40 VFD
-CONS( 1990, sd132, sd1,0,  vfx32, vfx, esq5505_state, denib,  "Ensoniq", "SD-1 (32 voice)", GAME_NOT_WORKING )  // 2x40 VFD
 CONS( 1990, sq1,   0, 0,   sq1,   vfx, esq5505_state, sq1,    "Ensoniq", "SQ-1", GAME_NOT_WORKING )      // 2x16 LCD
 CONS( 1990, sqrack,sq1, 0, sq1,   vfx, esq5505_state, sq1,    "Ensoniq", "SQ-Rack", GAME_NOT_WORKING )   // 2x16 LCD
+CONS( 1991, sd132, sd1,0,  vfx32, vfx, esq5505_state, denib,  "Ensoniq", "SD-1 (32 voice)", GAME_NOT_WORKING )  // 2x40 VFD
+
diff --git a/src/mess/drivers/esqmr.c b/src/mess/drivers/esqmr.c
index f300f196dd2..a1e234cb317 100644
--- a/src/mess/drivers/esqmr.c
+++ b/src/mess/drivers/esqmr.c
@@ -101,6 +101,17 @@ MACHINE_CONFIG_END
 static INPUT_PORTS_START( mr )
 INPUT_PORTS_END
 
+ROM_START( mr61 )
+	ROM_REGION(0x100000, "maincpu", 0)
+	ROM_LOAD16_WORD_SWAP( "mrw-osf-11af-2.10.bin",  0x000000, 0x080000, CRC(5854314e) SHA1(8fb2e2ee2f5fb12eae8ea33cb18f757efaec6780) ) 
+	ROM_LOAD16_WORD_SWAP( "mrw-romc-32ef-1.20.bin", 0x080000, 0x080000, CRC(68321347) SHA1(56cb96943ba42c35ba2787a49b5f4adf7c8dffb8) ) 
+
+	ROM_REGION(0x200000, "waverom", ROMREGION_ERASE00)
+	ROM_REGION(0x200000, "waverom2", ROMREGION_ERASE00)
+	ROM_REGION(0x200000, "waverom3", ROMREGION_ERASE00)
+	ROM_REGION(0x200000, "waverom4", ROMREGION_ERASE00)
+ROM_END
+
 ROM_START( mrrack )
 	ROM_REGION(0x100000, "maincpu", 0)
 	ROM_LOAD16_BYTE( "mr-rack-150-lo.bin", 0x000001, 0x080000, CRC(b29988a1) SHA1(986c2def11de27fa2b9be55ac32f7fec0c414bca) )
@@ -116,4 +127,5 @@ DRIVER_INIT_MEMBER(esqmr_state, mr)
 {
 }
 
+CONS( 1996, mr61,   0, 0, mr, mr, esqmr_state, mr, "Ensoniq", "MR-61 Workstation", GAME_NOT_WORKING )
 CONS( 1996, mrrack, 0, 0, mr, mr, esqmr_state, mr, "Ensoniq", "MR-Rack", GAME_NOT_WORKING )
diff --git a/src/mess/mess.lst b/src/mess/mess.lst
index a4fdab2f8b6..b193ccf851a 100644
--- a/src/mess/mess.lst
+++ b/src/mess/mess.lst
@@ -172,11 +172,13 @@ sq80        // 1988 SQ-80 Digital Wave Synthesizer
 eps         // 1988 EPS
 vfx         // 1989 VFX
 vfxsd       // 1989 VFX-SD
+eps16p      // 1990 EPS 16 Plus
 sd1         // 1990 SD-1
 sd132       // 1991 SD-1 32
 sq1         // 1990 SQ-1
 sqrack      // 1990 SQ-Rack
 kt76        // 1996 KT-76
+mr61		// 1996 MR-61
 mrrack      // 1996 MR-Rack
 
 // Fairchild