diff --git a/src/mame/drivers/rfslots8085.cpp b/src/mame/drivers/rfslots8085.cpp
index 53842171bf1..47c0ef44cc4 100644
--- a/src/mame/drivers/rfslots8085.cpp
+++ b/src/mame/drivers/rfslots8085.cpp
@@ -114,7 +114,57 @@ void rfslots8085_state::unkrfslt(machine_config &config)
 	AY8910(config, "ay1", 6_MHz_XTAL / 6).add_route(ALL_OUTPUTS, "mono", 0.50); // divider unknown
 }
 
-// May be "Limon y Baby 100"
+/* Unknown Recreativos Franco slot machine. May be "Limon y Baby 100"
+   __________________________________________________________________________________________________________________
+  |  ....A7.....   ....A8.....   ....A9.....   ....A10....   ....A11....   ....A12....   ....A13....   ....A14....  |
+  |  ___________   ___________   ___________   ___________   ___________   ___________   ___________   ___________  |
+  | |_ULN2803A_|  |_ULN2803A_|  |_ULN2803A_|  |_ULN2803A_|  |_ULN2803A_|  |_ULN2803A_|  |_ULN2803A_|  |_ULN2803A_|  |
+  |                ___________                 ___________                 ___________                 ___________  |
+  |               |SN74HC374N|                |SN74HC374N|                |SN74HC374N|                |SN74HC374N|  |
+  |  ___________                 ___________                 ___________                 ___________                |
+  | |SN74HC374N|                |SN74HC374N|                |SN74HC374N|                |SN74HC374N|                |
+  |                                                                                                                 |
+  | .............A2.................  ....A3......  .........A4.............  .......A5............  .....A6......  |
+  |                                                                                                                 |
+  |                                                                                      ___________                |
+  |                                                                                     |_SN74LS0 N|                |
+  |  ___________                                             ___________               ___________                  |
+  | |          |                                            |_SN7447AN_|              |SN74LS138N|                  |
+  |  ___________   ___________                 ___________                                                          |
+  | |SN74HC374N|  |SN74HC374N|                |_TC40288P_|                                                          |
+  |                                                                                                                 |
+  |    ________________________      ________________________      ________________________                         |
+  |   | NEC D8155HC           |     | NEC D8279C-2          |     | Toshiba TMP8255AP-5   |                         |
+  |   |                       |     |                       |     |                       |                         |
+  |   |_______________________|     |_______________________|     |_______________________|                         |
+  |                                                                                                                 |
+  |    ________     ___________                                                                                     |
+  |   |DIPS x6|    |SN74HC132N|                                                                                     |
+  |                                 ______________    ______________                                                |
+  |      _____      ___________    |M1-31/B-1704 |   |TC5517APL    |             ___________                        |
+  |     NE555C     |SN74LS125AN    |             |   |             |            |SN74LS138N|                        |
+  |            _____               |_____________|   |_____________|                                                |
+  | ________   BATT         ______________________    ______________             ___________                        |
+  ||_LM339N|   4.8V        |NEC D8085AC          |   |AMD P8212    |            |SN74LS245N|                        |
+  |                  Xtal  |                     |   |             |                                                |
+  |                5.0688  |_____________________|   |_____________|                                                |
+  |                         ______________________                            ______________                        |
+  |                        |SCN8035A             |     ___________           | IC44        |                        |
+  |                        |                     |    |SN74LS537AN           |             |                        |
+  |                        |_____________________|                           |_____________|                        |
+  |                            Xtal                                                            Attract Mode         |
+  |                           6.000                                                               Switch            |
+  |                         ______________________                                                                  |
+  |                        |AY-38910-A           |     ___________           ___________                            |
+  |                        |                     |    |_SN7486N__|          |__LM380N__|                            |
+  |                        |_____________________|                                                                  |
+  |                         ______________________                                                                  |
+  |                        |AY-38910-A           |                                                                  |
+  |                        |                     |                                                                  |
+  |                        |_____________________|                                                                  |
+  |                                                                                  ......A1........               |
+  |_________________________________________________________________________________________________________________|
+*/
 ROM_START(unkrfslt)
 	ROM_REGION(0x4000, "maincpu", 0)
 	ROM_LOAD("m1-31_b_1704.ic32", 0x0000, 0x4000, CRC(a74a85b7) SHA1(f562495a6b97f34165cc9fd5c750664701cac21f))