New machines marked as NOT_WORKING

---
Intel iSBC 660 System Chassis

scripts/target/mame/mess.lua

@@ -2771,6 +2771,7 @@ files {
 	MAME_DIR .. "src/mame/drivers/ipc.cpp",
 	MAME_DIR .. "src/mame/drivers/ipds.cpp",
 	MAME_DIR .. "src/mame/drivers/isbc.cpp",
+	MAME_DIR .. "src/mame/drivers/isbc660.cpp",
 	MAME_DIR .. "src/mame/drivers/isbc8010.cpp",
 	MAME_DIR .. "src/mame/drivers/isbc8030.cpp",
 	MAME_DIR .. "src/mame/machine/imm6_76.cpp",

src/mame/drivers/isbc660.cpp

@@ -0,0 +1,82 @@
+// license:BSD-3-Clause
+// copyright-holders:Patrick Mackinlay
+
+/*
+ * Intel iSBC 660 System Chassis
+ *
+ * This is a bare system chassis with an 8-slot backplane into which a variety
+ * of Multibus boards may be installed.
+ *
+ * Sources:
+ *  - http://www.nj7p.org/Manuals/PDFs/Intel/AFN-00285A.pdf
+ *
+ * TODO:
+ *  - additional cards
+ */
+
+#include "emu.h"
+
+#include "bus/multibus/multibus.h"
+#include "bus/multibus/isbc8024.h"
+
+#define VERBOSE 0
+#include "logmacro.h"
+
+namespace {
+
+class isbc660_state : public driver_device
+{
+public:
+	isbc660_state(machine_config const &mconfig, device_type type, char const *tag)
+		: driver_device(mconfig, type, tag)
+		, m_bus(*this, "slot")
+	{
+	}
+
+protected:
+	// driver_device overrides
+	virtual void machine_start() override;
+	virtual void machine_reset() override;
+
+public:
+	// machine config
+	void isbc660(machine_config &config);
+
+private:
+	required_device<multibus_device> m_bus;
+};
+
+void isbc660_state::machine_start()
+{
+}
+
+void isbc660_state::machine_reset()
+{
+}
+
+static void isbc660_cards(device_slot_interface &device)
+{
+	device.option_add("isbc8024", ISBC8024);
+}
+
+void isbc660_state::isbc660(machine_config &config)
+{
+	MULTIBUS(config, m_bus, 10_MHz_XTAL); // FIXME: clock driven by bus master
+
+	MULTIBUS_SLOT(config, "slot:1", m_bus, isbc660_cards, nullptr, false);
+	MULTIBUS_SLOT(config, "slot:2", m_bus, isbc660_cards, nullptr, false);
+	MULTIBUS_SLOT(config, "slot:3", m_bus, isbc660_cards, nullptr, false);
+	MULTIBUS_SLOT(config, "slot:4", m_bus, isbc660_cards, nullptr, false);
+	MULTIBUS_SLOT(config, "slot:5", m_bus, isbc660_cards, nullptr, false);
+	MULTIBUS_SLOT(config, "slot:6", m_bus, isbc660_cards, nullptr, false);
+	MULTIBUS_SLOT(config, "slot:7", m_bus, isbc660_cards, nullptr, false);
+	MULTIBUS_SLOT(config, "slot:8", m_bus, isbc660_cards, nullptr, false);
+}
+
+ROM_START(isbc660)
+ROM_END
+
+}
+
+/*   YEAR  NAME     PARENT COMPAT MACHINE  INPUT CLASS          INIT        COMPANY  FULLNAME    FLAGS */
+COMP(1985, isbc660, 0,     0,     isbc660, 0,    isbc660_state, empty_init, "Intel", "iSBC 660", MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW)

src/mame/mame.lst

@@ -17476,6 +17476,9 @@ isbc8605                        //
 isbc8630                        //
 sm1810                          //
 
+@source:isbc660.cpp
+isbc660                         // Intel iSBC 660 System Chassis
+
 @source:isbc8010.cpp
 isbc8010                        //
 isbc8010a                       //

src/mame/mess.flt

@@ -484,6 +484,7 @@ irisha.cpp
 iris_power.cpp
 is48x.cpp
 isbc.cpp
+isbc660.cpp
 isbc8010.cpp
 isbc8030.cpp
 iskr103x.cpp