Added the Dell 466/NP, closes #3585.

src/machine/machine_table.c

@@ -6934,6 +6934,46 @@ const machine_t machines[] = {
         .snd_device = NULL,
         .net_device = NULL
     },
+    /* Uses a ???? KBC. */
+    {
+        .name = "[SiS 461] Dell 466/NP",
+        .internal_name = "dell466np",
+        .type = MACHINE_TYPE_486_S2,
+        .chipset = MACHINE_CHIPSET_SIS_461,
+        .init = machine_at_dell466np_init,
+        .p1_handler = NULL,
+        .gpio_handler = NULL,
+        .available_flag = MACHINE_AVAILABLE,
+        .gpio_acpi_handler = NULL,
+        .cpu = {
+            .package = CPU_PKG_SOCKET3,
+            .block = CPU_BLOCK_NONE,
+            .min_bus = 0,
+            .max_bus = 0,
+            .min_voltage = 0,
+            .max_voltage = 0,
+            .min_multi = 0,
+            .max_multi = 0
+        },
+        .bus_flags = MACHINE_PS2,
+        .flags = MACHINE_IDE | MACHINE_VIDEO | MACHINE_APM,
+        .ram = {
+            .min = 1024,
+            .max = 32768,
+            .step = 1024
+        },
+        .nvrmask = 127,
+        .kbc_device = NULL,
+        .kbc_p1 = 0xff,
+        .gpio = 0xffffffff,
+        .gpio_acpi = 0xffffffff,
+        .device = NULL,
+        .fdc_device = NULL,
+        .sio_device = NULL,
+        .vid_device = &gd5428_onboard_vlb_device,
+        .snd_device = NULL,
+        .net_device = NULL
+    },
     /* The BIOS does not send any non-standard keyboard controller commands and wants
        a PS/2 mouse, so it's an IBM PS/2 KBC (Type 1) firmware. */
     {