diff --git a/src/emu/machine/53c810.c b/src/emu/machine/53c810.c
index 6dba031ead0..a2a22f0fac0 100644
--- a/src/emu/machine/53c810.c
+++ b/src/emu/machine/53c810.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:smf
 /* LSI Logic LSI53C810A PCI to SCSI I/O Processor */
 
 #include "emu.h"
diff --git a/src/emu/machine/53c810.h b/src/emu/machine/53c810.h
index 41c59572379..f55c3cdbfb1 100644
--- a/src/emu/machine/53c810.h
+++ b/src/emu/machine/53c810.h
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:smf
 #ifndef LSI53C810_H
 #define LSI53C810_H
 
diff --git a/src/emu/machine/6525tpi.c b/src/emu/machine/6525tpi.c
index 353dbdeea2d..038440e29d3 100644
--- a/src/emu/machine/6525tpi.c
+++ b/src/emu/machine/6525tpi.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Peter Trauner
 /***************************************************************************
     mos tri port interface 6525
     mos triple interface adapter 6523
diff --git a/src/emu/machine/6525tpi.h b/src/emu/machine/6525tpi.h
index 0d9a9efbe4a..5a2e07d12dd 100644
--- a/src/emu/machine/6525tpi.h
+++ b/src/emu/machine/6525tpi.h
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Peter Trauner
 /*****************************************************************************
  *
  * machine/tpi6525.h
diff --git a/src/emu/machine/68307.c b/src/emu/machine/68307.c
index 9f22b67a7d0..08116ca0e18 100644
--- a/src/emu/machine/68307.c
+++ b/src/emu/machine/68307.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:David Haywood
 /* 68307 */
 
 #include "68307.h"
diff --git a/src/emu/machine/68307.h b/src/emu/machine/68307.h
index aa665eeeb0a..57b09b639ca 100644
--- a/src/emu/machine/68307.h
+++ b/src/emu/machine/68307.h
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:David Haywood
 /* 68307 */
 
 
diff --git a/src/emu/machine/68307bus.c b/src/emu/machine/68307bus.c
index dbc2999c7c0..c9af37df775 100644
--- a/src/emu/machine/68307bus.c
+++ b/src/emu/machine/68307bus.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:David Haywood
 /* 68307 MBUS module */
 /* all ports on this are 8-bit? */
 
diff --git a/src/emu/machine/68307bus.h b/src/emu/machine/68307bus.h
index 4c25936e5da..5131ad4c9c5 100644
--- a/src/emu/machine/68307bus.h
+++ b/src/emu/machine/68307bus.h
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:David Haywood
 #include "cpu/m68000/m68000.h"
 
 #define m68307BUS_MADR (0x01)
diff --git a/src/emu/machine/68307sim.c b/src/emu/machine/68307sim.c
index 009afc31326..3709c346fbf 100644
--- a/src/emu/machine/68307sim.c
+++ b/src/emu/machine/68307sim.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:David Haywood
 /* 68307 SIM module */
 
 #include "emu.h"
diff --git a/src/emu/machine/68307sim.h b/src/emu/machine/68307sim.h
index 8b55630bf40..59b33bee1e7 100644
--- a/src/emu/machine/68307sim.h
+++ b/src/emu/machine/68307sim.h
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:David Haywood
 /* 68307 SIM module */
 
 #include "cpu/m68000/m68000.h"
diff --git a/src/emu/machine/68307tmu.c b/src/emu/machine/68307tmu.c
index 4f675bd8530..23a67ada9ad 100644
--- a/src/emu/machine/68307tmu.c
+++ b/src/emu/machine/68307tmu.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:David Haywood
 /* 68307 TIMER module */
 // 2x timers
 
diff --git a/src/emu/machine/68307tmu.h b/src/emu/machine/68307tmu.h
index 90e547733b1..2c62858b66d 100644
--- a/src/emu/machine/68307tmu.h
+++ b/src/emu/machine/68307tmu.h
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:David Haywood
 
 #include "cpu/m68000/m68000.h"
 
diff --git a/src/emu/machine/68340.c b/src/emu/machine/68340.c
index 7e882e0d1e0..752a7be4592 100644
--- a/src/emu/machine/68340.c
+++ b/src/emu/machine/68340.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:David Haywood
 /* 68340 */
 
 #include "68340.h"
diff --git a/src/emu/machine/68340.h b/src/emu/machine/68340.h
index aec2bd3c4a3..6f1260ae1cb 100644
--- a/src/emu/machine/68340.h
+++ b/src/emu/machine/68340.h
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:David Haywood
 /* 68340 */
 
 
diff --git a/src/emu/machine/68340dma.c b/src/emu/machine/68340dma.c
index 77437de781d..9ee0ae5114e 100644
--- a/src/emu/machine/68340dma.c
+++ b/src/emu/machine/68340dma.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:David Haywood
 /* 68340 DMA module */
 
 #include "emu.h"
diff --git a/src/emu/machine/68340dma.h b/src/emu/machine/68340dma.h
index 0b3770db6cf..56d8228fa2d 100644
--- a/src/emu/machine/68340dma.h
+++ b/src/emu/machine/68340dma.h
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:David Haywood
 
 #include "cpu/m68000/m68000.h"
 
diff --git a/src/emu/machine/68340ser.c b/src/emu/machine/68340ser.c
index afb751e3b45..9e4118ec92e 100644
--- a/src/emu/machine/68340ser.c
+++ b/src/emu/machine/68340ser.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:David Haywood
 /* 68340 SERIAL module */
 
 #include "emu.h"
diff --git a/src/emu/machine/68340ser.h b/src/emu/machine/68340ser.h
index 2bd851d23ce..0fda812ff0a 100644
--- a/src/emu/machine/68340ser.h
+++ b/src/emu/machine/68340ser.h
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:David Haywood
 
 #include "cpu/m68000/m68000.h"
 
diff --git a/src/emu/machine/68340sim.c b/src/emu/machine/68340sim.c
index 1eb34610b78..88e56d78763 100644
--- a/src/emu/machine/68340sim.c
+++ b/src/emu/machine/68340sim.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:David Haywood
 /* 68340 SIM module */
 
 #include "emu.h"
diff --git a/src/emu/machine/68340sim.h b/src/emu/machine/68340sim.h
index dbc5ec788b1..493fa9805ce 100644
--- a/src/emu/machine/68340sim.h
+++ b/src/emu/machine/68340sim.h
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:David Haywood
 
 #include "cpu/m68000/m68000.h"
 
diff --git a/src/emu/machine/68340tmu.c b/src/emu/machine/68340tmu.c
index acb0788cd89..f8109214ba0 100644
--- a/src/emu/machine/68340tmu.c
+++ b/src/emu/machine/68340tmu.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:David Haywood
 /* 68340 TIMER module */
 
 #include "emu.h"
diff --git a/src/emu/machine/68340tmu.h b/src/emu/machine/68340tmu.h
index be8cbaf1eed..a892e2792d8 100644
--- a/src/emu/machine/68340tmu.h
+++ b/src/emu/machine/68340tmu.h
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:David Haywood
 #include "cpu/m68000/m68000.h"
 
 
diff --git a/src/emu/machine/74145.c b/src/emu/machine/74145.c
index 9e0b3ccdfc9..f85439398de 100644
--- a/src/emu/machine/74145.c
+++ b/src/emu/machine/74145.c
@@ -1,11 +1,9 @@
-// license:???
-// copyright-holders:???
+// license:GPL-2.0+
+// copyright-holders:Dirk Best
 /*****************************************************************************
  *
  *  TTL74145
  *
- *  license: MAME, GPL-2.0+
- *  copyright-holders: Dirk Best
  *
  *  BCD-to-Decimal decoder
  *
diff --git a/src/emu/machine/8042kbdc.h b/src/emu/machine/8042kbdc.h
index aea4d64880a..b8d9c4e22fd 100644
--- a/src/emu/machine/8042kbdc.h
+++ b/src/emu/machine/8042kbdc.h
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Peter Trauner
 /**********************************************************************
 
     8042 Keyboard Controller Emulation
diff --git a/src/emu/machine/aakart.c b/src/emu/machine/aakart.c
index b6fbdd4bd21..762a1a2f8b9 100644
--- a/src/emu/machine/aakart.c
+++ b/src/emu/machine/aakart.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:LGPL-2.1+
+// copyright-holders:Angelo Salese
 /***************************************************************************
 
 Acorn Archimedes KART interface
diff --git a/src/emu/machine/aakart.h b/src/emu/machine/aakart.h
index c307a405fdc..bd59a54838a 100644
--- a/src/emu/machine/aakart.h
+++ b/src/emu/machine/aakart.h
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:LGPL-2.1+
+// copyright-holders:Angelo Salese
 /***************************************************************************
 
 Acorn Archimedes KART interface
diff --git a/src/emu/machine/amigafdc.h b/src/emu/machine/amigafdc.h
index 164486b7d49..77727d51a88 100644
--- a/src/emu/machine/amigafdc.h
+++ b/src/emu/machine/amigafdc.h
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Olivier Galibert
 #ifndef AMIGAFDC_H
 #define AMIGAFDC_H
 
diff --git a/src/emu/machine/at29040a.c b/src/emu/machine/at29040a.c
index f7383982d33..31be262b7c1 100644
--- a/src/emu/machine/at29040a.c
+++ b/src/emu/machine/at29040a.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:Raphael Nabet, Michael Zapf
 /*
     Atmel at29c040a flash EEPROM
 
diff --git a/src/emu/machine/at29040a.h b/src/emu/machine/at29040a.h
index 587a320d792..0dc6473edff 100644
--- a/src/emu/machine/at29040a.h
+++ b/src/emu/machine/at29040a.h
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:Raphael Nabet, Michael Zapf
 /*
     ATMEL 29040a
 
diff --git a/src/emu/machine/at45dbxx.c b/src/emu/machine/at45dbxx.c
index 20611aaa10f..2f5429b8114 100644
--- a/src/emu/machine/at45dbxx.c
+++ b/src/emu/machine/at45dbxx.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:Tim Schuerewegen
 /*
 
     Atmel Serial DataFlash
diff --git a/src/emu/machine/at45dbxx.h b/src/emu/machine/at45dbxx.h
index 11d11346560..4a977c38722 100644
--- a/src/emu/machine/at45dbxx.h
+++ b/src/emu/machine/at45dbxx.h
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:Tim Schuerewegen
 /*
 
     Atmel Serial DataFlash
diff --git a/src/emu/machine/at_keybc.c b/src/emu/machine/at_keybc.c
index a2b0bd05062..bc77324cf96 100644
--- a/src/emu/machine/at_keybc.c
+++ b/src/emu/machine/at_keybc.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Wilbert Pol
 /***************************************************************************
 
     IBM PC AT compatibles 8042 keyboard controller
diff --git a/src/emu/machine/at_keybc.h b/src/emu/machine/at_keybc.h
index 142aea0522c..f21c6d25035 100644
--- a/src/emu/machine/at_keybc.h
+++ b/src/emu/machine/at_keybc.h
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Wilbert Pol
 /***************************************************************************
 
     IBM PC AT compatibles 8042 keyboard controller
diff --git a/src/emu/machine/autoconfig.c b/src/emu/machine/autoconfig.c
index 6c1ee4ca412..84b51cd8c24 100644
--- a/src/emu/machine/autoconfig.c
+++ b/src/emu/machine/autoconfig.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:GPL-2.0+
+// copyright-holders:Dirk Best
 /***************************************************************************
 
     Amiga Autoconfig
diff --git a/src/emu/machine/autoconfig.h b/src/emu/machine/autoconfig.h
index 2d6422b4861..042d3886189 100644
--- a/src/emu/machine/autoconfig.h
+++ b/src/emu/machine/autoconfig.h
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:GPL-2.0+
+// copyright-holders:Dirk Best
 /***************************************************************************
 
     Amiga Autoconfig
diff --git a/src/emu/machine/ay31015.c b/src/emu/machine/ay31015.c
index ea378ea1c1a..2ecd3f311f7 100644
--- a/src/emu/machine/ay31015.c
+++ b/src/emu/machine/ay31015.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Robbbert
 /****************************************************************************
 
     ay31015.c by Robbbert, May 2008. Bugs fixed by Judge.
diff --git a/src/emu/machine/ay31015.h b/src/emu/machine/ay31015.h
index 63a43127897..2f2ae33eca8 100644
--- a/src/emu/machine/ay31015.h
+++ b/src/emu/machine/ay31015.h
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Robbbert
 /* ay31015.h
 
     Written for MESS by Robbbert on May 29th, 2008.
diff --git a/src/emu/machine/ds1315.c b/src/emu/machine/ds1315.c
index cf90cebda99..913c5413f5f 100644
--- a/src/emu/machine/ds1315.c
+++ b/src/emu/machine/ds1315.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:Tim Lindner
 /*****************************************************************************************
 
     ds1315.c
diff --git a/src/emu/machine/ds1315.h b/src/emu/machine/ds1315.h
index 9f8cebc604b..66923754649 100644
--- a/src/emu/machine/ds1315.h
+++ b/src/emu/machine/ds1315.h
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:Tim Lindner
 /*********************************************************************
 
     ds1315.h
diff --git a/src/emu/machine/e05a30.c b/src/emu/machine/e05a30.c
index c2ce03596a5..682a8fb96ec 100644
--- a/src/emu/machine/e05a30.c
+++ b/src/emu/machine/e05a30.c
@@ -1,10 +1,8 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Ramiro Polla
 /*
  * E05A30 Gate Array (used in the Epson ActionPrinter 2000)
  *
- * Copyright: 2014 Ramiro Polla
- * License: BSD-3-Clause
  */
 
 #include "emu.h"
diff --git a/src/emu/machine/e05a30.h b/src/emu/machine/e05a30.h
index d8537cea43e..95e4fadb37c 100644
--- a/src/emu/machine/e05a30.h
+++ b/src/emu/machine/e05a30.h
@@ -1,10 +1,8 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Ramiro Polla
 /*
  * E05A30 Gate Array (used in the Epson ActionPrinter 2000)
  *
- * Copyright: 2014 Ramiro Polla
- * License: BSD-3-Clause
  */
 
 #ifndef __E05A30_H__
diff --git a/src/emu/machine/fdc_pll.c b/src/emu/machine/fdc_pll.c
index f0e45fc91c5..32df60be493 100644
--- a/src/emu/machine/fdc_pll.c
+++ b/src/emu/machine/fdc_pll.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Olivier Galibert
 #include "fdc_pll.h"
 
 std::string fdc_pll_t::tts(attotime t)
diff --git a/src/emu/machine/fdc_pll.h b/src/emu/machine/fdc_pll.h
index 03459f3dc9c..31eaae07d1b 100644
--- a/src/emu/machine/fdc_pll.h
+++ b/src/emu/machine/fdc_pll.h
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Olivier Galibert
 #ifndef __FDC_PLL_H__
 #define __FDC_PLL_H__
 
diff --git a/src/emu/machine/i6300esb.c b/src/emu/machine/i6300esb.c
index be1429e95d4..ec7ca934d31 100644
--- a/src/emu/machine/i6300esb.c
+++ b/src/emu/machine/i6300esb.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Olivier Galibert
 #include "i6300esb.h"
 
 const device_type I6300ESB_WATCHDOG = &device_creator<i6300esb_watchdog_device>;
diff --git a/src/emu/machine/i6300esb.h b/src/emu/machine/i6300esb.h
index 3585fd69d91..2349db91b73 100644
--- a/src/emu/machine/i6300esb.h
+++ b/src/emu/machine/i6300esb.h
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Olivier Galibert
 // Intel i6300ESB southbridge
 
 #ifndef I6300ESB_H
diff --git a/src/emu/machine/i8271.c b/src/emu/machine/i8271.c
index 44b799a3cb9..1136a2b2202 100644
--- a/src/emu/machine/i8271.c
+++ b/src/emu/machine/i8271.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:Kevin Thacker
 /* Intel 8271 Floppy Disc Controller */
 /* used in BBC Micro B,Acorn Atom */
 /* Jun 2000. Kev Thacker */
diff --git a/src/emu/machine/i8271.h b/src/emu/machine/i8271.h
index 0a616da4c61..44ee8c26149 100644
--- a/src/emu/machine/i8271.h
+++ b/src/emu/machine/i8271.h
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:Kevin Thacker
 /*****************************************************************************
  *
  * machine/i8271.h
diff --git a/src/emu/machine/i8279.c b/src/emu/machine/i8279.c
index 3febae4a8b9..abd4fb3beb1 100644
--- a/src/emu/machine/i8279.c
+++ b/src/emu/machine/i8279.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Robbbert
 /**********************************************************************
 
     i8279
diff --git a/src/emu/machine/i8279.h b/src/emu/machine/i8279.h
index 5565791dace..a445f7f0912 100644
--- a/src/emu/machine/i8279.h
+++ b/src/emu/machine/i8279.h
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Robbbert
 /***************************************************************************
 
     Intel 8279 Programmable Keyboard/Display Interface emulation
diff --git a/src/emu/machine/jvsdev.c b/src/emu/machine/jvsdev.c
index a48f67a8c56..204d874ca9a 100644
--- a/src/emu/machine/jvsdev.c
+++ b/src/emu/machine/jvsdev.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Olivier Galibert
 #include "jvsdev.h"
 #include "jvshost.h"
 
diff --git a/src/emu/machine/jvsdev.h b/src/emu/machine/jvsdev.h
index a8c9b5da0e4..fcbb8c08926 100644
--- a/src/emu/machine/jvsdev.h
+++ b/src/emu/machine/jvsdev.h
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Olivier Galibert
 #ifndef __JVSDEV_H__
 #define __JVSDEV_H__
 
diff --git a/src/emu/machine/jvshost.c b/src/emu/machine/jvshost.c
index 433b863a92b..1621d691cea 100644
--- a/src/emu/machine/jvshost.c
+++ b/src/emu/machine/jvshost.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Olivier Galibert
 #include "jvshost.h"
 #include "jvsdev.h"
 
diff --git a/src/emu/machine/jvshost.h b/src/emu/machine/jvshost.h
index 2d776aeec62..872e8a774e5 100644
--- a/src/emu/machine/jvshost.h
+++ b/src/emu/machine/jvshost.h
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Olivier Galibert
 #ifndef __JVSHOST_H__
 #define __JVSHOST_H__
 
diff --git a/src/emu/machine/latch8.c b/src/emu/machine/latch8.c
index 1e9c2ff33af..0beddaed0b9 100644
--- a/src/emu/machine/latch8.c
+++ b/src/emu/machine/latch8.c
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:Couriersud
 /**********************************************************************
 
     8 bit latch interface and emulation
diff --git a/src/emu/machine/latch8.h b/src/emu/machine/latch8.h
index 749ada1bb98..7edaed3ae45 100644
--- a/src/emu/machine/latch8.h
+++ b/src/emu/machine/latch8.h
@@ -1,5 +1,5 @@
 // license:???
-// copyright-holders:???
+// copyright-holders:Couriersud
 /**********************************************************************
 
     8 bit latch interface and emulation
diff --git a/src/emu/machine/legscsi.c b/src/emu/machine/legscsi.c
index c7da60d74e2..4071ccf8c3a 100644
--- a/src/emu/machine/legscsi.c
+++ b/src/emu/machine/legscsi.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:smf
 #include "legscsi.h"
 
 legacy_scsi_host_adapter::legacy_scsi_host_adapter(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source) :
diff --git a/src/emu/machine/legscsi.h b/src/emu/machine/legscsi.h
index 2ed9223790f..c7382fa9ad0 100644
--- a/src/emu/machine/legscsi.h
+++ b/src/emu/machine/legscsi.h
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:smf
 #ifndef _LEGSCSI_H_
 #define _LEGSCSI_H_
 
diff --git a/src/emu/machine/lpc-acpi.c b/src/emu/machine/lpc-acpi.c
index 3189b336590..72d066affaa 100644
--- a/src/emu/machine/lpc-acpi.c
+++ b/src/emu/machine/lpc-acpi.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Olivier Galibert
 #include "lpc-acpi.h"
 
 const device_type LPC_ACPI = &device_creator<lpc_acpi_device>;
diff --git a/src/emu/machine/lpc-acpi.h b/src/emu/machine/lpc-acpi.h
index 9ad406d0e3c..2abf019d408 100644
--- a/src/emu/machine/lpc-acpi.h
+++ b/src/emu/machine/lpc-acpi.h
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Olivier Galibert
 #ifndef LPC_ACPI_H
 #define LPC_ACPI_H
 
diff --git a/src/emu/machine/lpc-pit.c b/src/emu/machine/lpc-pit.c
index a66183da596..19a07373ec5 100644
--- a/src/emu/machine/lpc-pit.c
+++ b/src/emu/machine/lpc-pit.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Olivier Galibert
 #include "lpc-pit.h"
 
 const device_type LPC_PIT = &device_creator<lpc_pit_device>;
diff --git a/src/emu/machine/lpc-pit.h b/src/emu/machine/lpc-pit.h
index 39fec76fc57..4a49a76c10c 100644
--- a/src/emu/machine/lpc-pit.h
+++ b/src/emu/machine/lpc-pit.h
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Olivier Galibert
 #ifndef LPC_PIT_H
 #define LPC_PIT_H
 
diff --git a/src/emu/machine/lpc-rtc.c b/src/emu/machine/lpc-rtc.c
index 0985f51387c..d92d7b515d0 100644
--- a/src/emu/machine/lpc-rtc.c
+++ b/src/emu/machine/lpc-rtc.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Olivier Galibert
 #include "lpc-rtc.h"
 
 const device_type LPC_RTC = &device_creator<lpc_rtc_device>;
diff --git a/src/emu/machine/lpc-rtc.h b/src/emu/machine/lpc-rtc.h
index 54e073327a7..f85c6c5cd11 100644
--- a/src/emu/machine/lpc-rtc.h
+++ b/src/emu/machine/lpc-rtc.h
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Olivier Galibert
 #ifndef LPC_RTC_H
 #define LPC_RTC_H
 
diff --git a/src/emu/machine/lpc.c b/src/emu/machine/lpc.c
index ee59faa61ef..afb51435f23 100644
--- a/src/emu/machine/lpc.c
+++ b/src/emu/machine/lpc.c
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Olivier Galibert
 #include "lpc.h"
 
 lpc_device::lpc_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source) :
diff --git a/src/emu/machine/lpc.h b/src/emu/machine/lpc.h
index ea73e3c9172..6ade06d03ff 100644
--- a/src/emu/machine/lpc.h
+++ b/src/emu/machine/lpc.h
@@ -1,5 +1,5 @@
-// license:???
-// copyright-holders:???
+// license:BSD-3-Clause
+// copyright-holders:Olivier Galibert
 #ifndef LPC_H
 #define LPC_H