Add the PB450 with MicroFirmware Phoenix 4.05 BIOS. The stock 1.0A BIOS... (which is the only stock BIOS we have for the PCI version of this board) is currently exhibiting setup utility issues and other POST issues. It will be added later as part of the BIOS switching feature.

src/machine/machine_table.c

@@ -6098,6 +6098,45 @@ const machine_t machines[] = {
         .snd_device = NULL,
         .net_device = NULL
     },
+    /* has a Phoenix PLCC Multikey copyrighted 1993, version unknown. */
+    {
+        .name = "[OPTi 895] Packard Bell PB450",
+        .internal_name = "pb450",
+        .type = MACHINE_TYPE_486_S3,
+        .chipset = MACHINE_CHIPSET_OPTI_895_802G,
+        .init = machine_at_pb450_init,
+        .pad = 0,
+        .pad0 = 0,
+        .pad1 = MACHINE_AVAILABLE,
+        .pad2 = 0,
+        .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_PCI,
+        .flags = MACHINE_SUPER_IO | MACHINE_IDE_DUAL | MACHINE_VIDEO,
+        .ram = {
+            .min = 1024,
+            .max = 65536,
+            .step = 1024
+        },
+        .nvrmask = 127,
+        .kbc_device = NULL,
+        .kbc_p1 = 0,
+        .gpio = 0,
+        .device = &gd5428_vlb_onboard_device,
+        .fdc_device = NULL,
+        .sio_device = NULL,
+        .vid_device = NULL,
+        .snd_device = NULL,
+        .net_device = NULL
+    },
     /* Has AMIKey H keyboard BIOS. */
     {
         .name = "[SiS 471] AOpen Vi15G",