diff --git a/src/mame/drivers/atvtrack.c b/src/mame/drivers/atvtrack.c
index 1e495cd7452..89fb791bcad 100644
--- a/src/mame/drivers/atvtrack.c
+++ b/src/mame/drivers/atvtrack.c
@@ -2,8 +2,58 @@
   ATV Track
   (c)2002 Gaelco
 
-  2x SH4 (HD64177506), bus clock of 33 MHz
-  There is a chip hidden under a heatsink with RAM connected, probably GFX
+ATV Track
+Gaelco 2002
+
+PCB Layout
+
+GAELCO
+REF. 020419
+ |--------------------------------------------------------------|
+ |                                                              |
+ |   SW3                                               EPC1PC8  |
+ |                                         K4S643232            |
+ |    LC245A                                         7LB176    |-|
+ |                        FLASH.IC14  FLASH.IC19     7LB176    | |
+ |       |-----|                                     7LB176    | |DB9
+ |       | SH4 |                                     7LB176    |-|
+ |       |     |          FLASH.IC15  FLASH.IC20                |
+ |       |-----|                                                |
+ |                                                |----------|  |
+|-|                            K4S643232          |ALTERA    |  |
+| |  L4955                                        |FLEX      |  |
+| |      |-----|               K4S643232          |EPF10K50  |  |
+| |CN1   | SH4 |                                  |EQC240-3  |  |
+| |      |     |                                  |----------|  |
+| |      |-----|                                                |
+|-|                                                             |
+ |                                                              |
+ |      33MHz                       K4S643232     |----------|  |
+ |                                  K4S643232     | GFX      |  |
+ |             LED                                |          | |-|
+ |             LED                                |          | | |
+ |                                  K4S643232     |          | | |DB9
+ |                                  K4S643232     |----------| |-|
+ | TL074C   TL074C                                     385-1    |
+ |     TDA1387   TDA1387                          14.31818MHz   |
+ |                                                              |
+ |--------------------------------------------------------------|   
+Notes:
+      SH4       - Hitachi HD6417750S SH4 CPU (BGA)
+      K4S643232 - Samsung K4S643232E-TC70 64M x 32-bit SDRAM (TSSOP86)
+      GFX       - Unknown BGA graphics chip (heatsinked)
+      FLASH.IC* - Samsung K9F2808U0B 128MBit (16M + 512k Spare x 8-bit) FlashROM (TSOP48)
+      EPF10K50  - Altera Flex EPF10K50EQC240-3 FPGA (QFP240)
+      EPC1PC8   - Altera EPC1PC8 FPGA Configuration Device (DIP8)
+      TL074C    - Texas Instruments TL074C Low Noise Quad JFet Operational Amplifier (SOIC14)
+      TDA1387   - Philips TDA1387 Stereo Continuous Calibration DAC (SOIC8)
+      L4955     - ST Microelectronics L4955 low-power, quad channel, 8-bit buffered voltage output DAC and amplifier
+      7LB176    - Texas Instruments 7LB176 Differential Bus Tranceiver (SOIC8)
+      385-1     - National LM385 Adjustable Micropower Voltage Reference Diode (SOIC8)
+      CN1       - Multi-pin connector for filter board (input power & controls connectors etc)
+      DB9       - Video output connector (for twin monitors)
+      SW3       - Push button switch
+	  
 */
 
 #include "emu.h"
@@ -67,6 +117,18 @@ ROM_START( atvtrack )
 	ROM_LOAD32_BYTE("20.bin", 0x0000001, 0x1080000, CRC(649dc331) SHA1(0cac2d0c15dd564c7fdebdf4365422958f453d63) )
 	ROM_LOAD32_BYTE("14.bin", 0x0000002, 0x1080000, CRC(67983453) SHA1(05389a0ffc1a1bae9bac16a53a97d78b6eccc626) )
 	ROM_LOAD32_BYTE("19.bin", 0x0000003, 0x1080000, CRC(9fc5c579) SHA1(8829329ef229564952aea2108ef1750dc226cbac) )
+
+	ROM_REGION( 0x20000, "eeprom", ROMREGION_ERASEFF)
+	ROM_LOAD("epc1pc8.ic23", 0x0000000, 0x1ff01, CRC(752444c7) SHA1(c77e8fcfcbe15b53eda25553763bdac45f0ef7df) ) // contains a large amount of data, maybe used for some form of protection
 ROM_END
 
-GAME( 2002, atvtrack, 0,   atvtrack,    atvtrack,    0, ROT0, "Gaelco", "ATV Track", GAME_NOT_WORKING | GAME_NO_SOUND )
+ROM_START( atvtracka )
+	ROM_REGION( 0x4200000, "maincpu", ROMREGION_ERASEFF) // NAND roms, contain additional data hence the sizes
+	ROM_LOAD32_BYTE("k9f2808u0b.ic15", 0x0000000, 0x1080000, CRC(10730001) SHA1(48c685a6ff7135abd074dc7fb7d10834c44da58f) )
+	ROM_LOAD32_BYTE("k9f2808u0b.ic20", 0x0000001, 0x1080000, CRC(b0c34433) SHA1(852c79bb3d7082cd2c056140071ae7d71679ec1d) )
+	ROM_LOAD32_BYTE("k9f2808u0b.ic14", 0x0000002, 0x1080000, CRC(02a12085) SHA1(acb112c9c7b29d92610465fb92268ce787ca06f4) )
+	ROM_LOAD32_BYTE("k9f2808u0b.ic19", 0x0000003, 0x1080000, CRC(856c1e6a) SHA1(a6b2839120d61811c36cc6b4095de9cefceb394b) )
+ROM_END
+
+GAME( 2002, atvtrack,  0,          atvtrack,    atvtrack,    0, ROT0, "Gaelco", "ATV Track (set 1)", GAME_NOT_WORKING | GAME_NO_SOUND )
+GAME( 2002, atvtracka, atvtrack,   atvtrack,    atvtrack,    0, ROT0, "Gaelco", "ATV Track (set 2)", GAME_NOT_WORKING | GAME_NO_SOUND )
diff --git a/src/mame/drivers/m92.c b/src/mame/drivers/m92.c
index eb431cd03c0..068c59af45b 100644
--- a/src/mame/drivers/m92.c
+++ b/src/mame/drivers/m92.c
@@ -2234,7 +2234,7 @@ GAME( 1992, uccopsu,  uccops,   uccops,        uccops,   uccops,   ROT0,   "Irem
 GAME( 1992, uccopsar, uccops,   uccops,        uccops,   uccops,   ROT0,   "Irem",         "Undercover Cops (Alpha Renewal Version)", 0 )
 GAME( 1992, uccopsj,  uccops,   uccops,        uccops,   uccops,   ROT0,   "Irem",         "Undercover Cops (Japan)", 0 )
 GAME( 1992, mysticri, 0,        mysticri,      mysticri, mysticri, ROT0,   "Irem",         "Mystic Riders (World)", 0 )
-GAME( 1992, gunhohki, mysticri, mysticri,      mysticri, mysticri, ROT0,   "Irem",         "Gun Hohki (Japan)", 0 )
+GAME( 1992, gunhohki, mysticri, mysticri,      mysticri, mysticri, ROT0,   "Irem",         "Mahou Keibitai Gun Hohki (Japan)", 0 )
 // cheaply produced Korean board, has original chips, but lacks any proper labels
 // main code is also significantly different to the supported original set, so it might just be a legitimate early revision on a cheap board
 GAME( 1992, mysticrib,mysticri, mysticri,      mysticri, mysticri, ROT0,   "Irem",         "Mystic Riders (bootleg?)", 0)
diff --git a/src/mame/mamedriv.c b/src/mame/mamedriv.c
index 6ea7bf33800..deb4e9d1071 100644
--- a/src/mame/mamedriv.c
+++ b/src/mame/mamedriv.c
@@ -7880,6 +7880,7 @@ BOMULEUL CHAJARA SEGA ST-V  1997/04/11
 
 	/* SH-4 hardware */
 	DRIVER( atvtrack )	/* (c) 2002 - Ref 020419 */
+	DRIVER( atvtracka )	/* (c) 2002 - Ref 020419 */
 
 	/*
     Remaining Gaelco Games: