diff --git a/src/mame/ibm/ibm3153.cpp b/src/mame/ibm/ibm3153.cpp
index 2e8025748a68b..eff6f06107528 100644
--- a/src/mame/ibm/ibm3153.cpp
+++ b/src/mame/ibm/ibm3153.cpp
@@ -1,5 +1,5 @@
 // license:BSD-3-Clause
-// copyright-holders:Robbbert
+// copyright-holders:
 /***************************************************************************
 
 IBM 3153 Terminal.
diff --git a/src/mame/ibm/ibm3477.cpp b/src/mame/ibm/ibm3477.cpp
new file mode 100644
index 0000000000000..d7b6e13e9680c
--- /dev/null
+++ b/src/mame/ibm/ibm3477.cpp
@@ -0,0 +1,113 @@
+// license:BSD-3-Clause
+// copyright-holders:Robbbert
+/*******************************************************************************
+
+Skeleton driver for IBM InfoWindow 3477 terminal.
+
+                      ______________          ________
+   ___________________|             |_________|       |_______________________
+  |                   |_____________|         |_______|                      |
+  |  BATTERY            ______     _____                                     |
+  |                    |_____|    |____|                                     |
+  |                             ____________    ___   ___   ___   ___        |
+  |         _________          |38F5768    |   | <-SN74LS74AN |  |  |        |
+  |        CXK58257M-10LL      |TC110G17AF |   |  |  |  <-SN75112N  |        |    
+  |                            |           |   |  |  |  |  |  |  | <-SN7510BN|
+  |    ____   ____             |           |   |__|  |__|  |__|  |__|        |
+  |   |___|  |___|             |___________|              _________     ____ |
+  |____                                                CXK58257M-10LL  |___| |
+      |        ______   ______   _________          ____________             |
+      |  ___  |     |  |     |  |AMD     |         |38F5769    |  Xtal       |
+      | |  |  |EPROM|  |EPROM|  |N8088-2 |         |TC110G26AF |  59.8185 MHz|
+      | |  |  |     |  |     |  |        |         |           |             |
+      | |  |  |     |  |     |  |________|         |           |             |
+   ___| |__|  |     |  |     |                     |___________|             |
+ _|__         |_____|  |_____|                                   ____        |
+|   |                                                      10124N-> |        |
+|___|         ||||||||||||||||                                   |  |        |
+  |                                                              |__|        |
+  |                            _________________    ___               ___    |
+  |___________________________|                |_|_|  |               |  |___|
+                                                      |_|_|_|_|_|_|_|_|
+
+ToDo:
+- Everything!
+
+********************************************************************************/
+
+#include "emu.h"
+#include "cpu/i86/i86.h"
+#include "emupal.h"
+#include "screen.h"
+
+
+namespace {
+
+class ibm3477_state : public driver_device
+{
+public:
+	ibm3477_state(const machine_config &mconfig, device_type type, const char *tag)
+		: driver_device(mconfig, type, tag)
+		, m_maincpu(*this, "maincpu")
+		{ }
+
+	void ibm3477(machine_config &config);
+
+private:
+	virtual void machine_reset() override ATTR_COLD;
+	void palette_init(palette_device &palette) const;
+	uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
+
+	required_device<cpu_device> m_maincpu;
+};
+
+
+// Input ports
+static INPUT_PORTS_START( ibm3477 )
+INPUT_PORTS_END
+
+uint32_t ibm3477_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
+{
+	return 0;
+}
+
+void ibm3477_state::palette_init(palette_device &palette) const
+{
+	palette.set_pen_color(0, 0,   0, 0); // Black
+	palette.set_pen_color(1, 0, 255, 0); // Full
+	palette.set_pen_color(2, 0, 128, 0); // Dimmed
+}
+
+void ibm3477_state::machine_reset()
+{
+}
+
+void ibm3477_state::ibm3477(machine_config &config)
+{
+	// Basic machine hardware
+	I8088(config, m_maincpu, 59'818'500 / 10); // Unknown clock
+
+	// Video hardware
+	screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
+	screen.set_refresh_hz(60);
+	screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); // Not accurate
+	screen.set_screen_update(FUNC(ibm3477_state::screen_update));
+	screen.set_size(640, 240);
+	screen.set_visarea(0, 639, 0, 239);
+	screen.set_palette("palette");
+
+	PALETTE(config, "palette", FUNC(ibm3477_state::palette_init), 3);
+}
+
+// ROM definition
+ROM_START( ibm3477 )
+	ROM_REGION( 0x40000, "maincpu", 0 )
+	ROM_LOAD("pn_38f5843_ibm_30-10-89.zm12", 0x00000, 0x20000, CRC(b07efb93) SHA1(84d245d17828bc4e096e0cae2d066f2209f56a8f) )
+	ROM_LOAD("pn_38f5844_ibm_20-10-89.zm13", 0x20000, 0x20000, CRC(05f3c0f6) SHA1(f99096a2f3e97fe1eb540db3f3e620ddccf71bbc) )
+ROM_END
+
+} // anonymous namespace
+
+
+//    YEAR  NAME     PARENT  COMPAT  MACHINE  INPUT    CLASS          INIT        COMPANY  FULLNAME               FLAGS
+COMP( 1998, ibm3477, 0,      0,      ibm3477, ibm3477, ibm3477_state, empty_init, "IBM",   "InfoWindow 3477", MACHINE_NO_SOUND | MACHINE_NOT_WORKING) // Spanish ROMs?
diff --git a/src/mame/mame.lst b/src/mame/mame.lst
index fb5be0e403dd4..3d99417d77f2d 100644
--- a/src/mame/mame.lst
+++ b/src/mame/mame.lst
@@ -20095,6 +20095,9 @@ husky                           // DVW Husky
 @source:ibm/ibm3153.cpp
 ibm3153                         //
 
+@source:ibm/ibm3477.cpp
+ibm3477                         // IBM InfoWindow 3477
+
 @source:ibm/ibm5100.cpp
 ibm5100
 ibm5110