Add Gemlight GMB-P54SPS (SiS 501, Socket 5)

src/machine/machine_table.c

@@ -8040,6 +8040,43 @@ const machine_t machines[] = {
         .snd_device = NULL,
         .net_device = NULL
     },
+    /* This machine has a Winbond W83C842 KBC */
+    {
+        .name = "[SiS 501] Gemlight GMB-P54SPS",
+        .internal_name = "p54sps",
+        .type = MACHINE_TYPE_SOCKET5,
+        .chipset = MACHINE_CHIPSET_SIS_501,
+        .init = machine_at_p54sps_init,
+        .pad = 0,
+        .pad0 = 0,
+        .pad1 = MACHINE_AVAILABLE,
+        .pad2 = 0,
+        .cpu = {
+            .package = CPU_PKG_SOCKET5_7,
+        CPU_BLOCK(CPU_PENTIUMMMX),
+            .min_bus = 50000000,
+            .max_bus = 66666667,
+            .min_voltage = 3520,
+            .max_voltage = 3520,
+            .min_multi = 1.5,
+            .max_multi = 1.5
+        },
+        .bus_flags = MACHINE_PCI,
+        .flags = MACHINE_IDE_DUAL,
+        .ram = {
+            .min = 8192,
+            .max = 131072,
+            .step = 8192
+        },
+        .nvrmask = 127,
+        .kbc = KBC_JETKEY_5_W83C42,
+        .kbc_p1 = 0,
+        .gpio = 0,
+        .device = NULL,
+        .vid_device = NULL,
+        .snd_device = NULL,
+        .net_device = NULL
+    },
 
     /* Socket 7 (Single Voltage) machines */
     /* 430FX */