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diff --git a/src/mame/sgi/iris_power.cpp b/src/mame/sgi/iris_power.cpp
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+// license:BSD-3-Clause
+// copyright-holders:Ryan Holtz
+/**********************************************************************
+
+ SGI IRIS POWER Series skeleton driver
+
+ To Do: Everything
+
+ Memory map:
+ 1fc00000 - 1fc1ffff Boot ROM
+
+ POWER Series models
+
+ Year Model Board CPU FPU Clock I/D Cache
+ 1988 4D/120 IP5 R2000 R2010 16.7MHz 64KiB/64KiB
+ 4D/210 IP9 R3000 R3010 25MHz 64KiB/64KiB
+ 4D/2x0 IP7 R3000 R3010 25MHz 64KiB/64KiB
+ 4D/3x0 IP7 R3000 R3010 33MHz 64KiB/64KiB
+ 1991 4D/4x0 IP15 R3000 R3010 40MHz 64KiB/64KiB
+
+ The second digit indicates the number of CPU boards and/or
+ CPUs; models with an 'x' support configurations of 1, 2, 4
+ or 8 CPU boards.
+
+**********************************************************************/
+
+#include "emu.h"
+#include "cpu/mips/mips1.h"
+
+#define LOG_UNKNOWN (1U << 1)
+#define LOG_ALL (LOG_UNKNOWN)
+
+#define VERBOSE (0)
+#include "logmacro.h"
+
+
+namespace {
+
+class ip15_state : public driver_device
+{
+public:
+ ip15_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag)
+ , m_maincpu(*this, "maincpu")
+ {
+ }
+
+ void ip15(machine_config &config);
+
+protected:
+ void mem_map(address_map &map) ATTR_COLD;
+
+ required_device<r3000_device> m_maincpu;
+};
+
+void ip15_state::mem_map(address_map &map)
+{
+ map(0x1fc00000, 0x1fc1ffff).rom().region("user1", 0);
+}
+
+static INPUT_PORTS_START( ip15 )
+INPUT_PORTS_END
+
+void ip15_state::ip15(machine_config &config)
+{
+ R3000(config, m_maincpu, 40_MHz_XTAL, 65536, 65536);
+ m_maincpu->set_addrmap(AS_PROGRAM, &ip15_state::mem_map);
+}
+
+ROM_START( 4d410 )
+ ROM_REGION32_BE( 0x20000, "user1", 0 )
+ ROMX_LOAD( "ip15prom.070-040x-008.bin", 0x000000, 0x20000, CRC(7290eb66) SHA1(af4285e8db2a9b44fd0fb8a1df4f92faffe87e45), ROM_GROUPDWORD )
+ROM_END
+
+} // anonymous namespace
+
+
+// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
+COMP( 1991, 4d410, 0, 0, ip15, ip15, ip15_state, empty_init, "Silicon Graphics Inc", "4D/410", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )