diff --git a/src/machine/machine_table.c b/src/machine/machine_table.c
index 302fe8409..9adfde6e6 100644
--- a/src/machine/machine_table.c
+++ b/src/machine/machine_table.c
@@ -6083,48 +6083,6 @@ const machine_t machines[] = {
         .snd_device = NULL,
         .net_device = NULL
     },
-    /* The BIOS string ends in -U, unless command 0xA1 (AMIKey get version) returns an
-       'F', in which case, it ends in -F, so it has an AMIKey F KBC firmware.
-       The photo of the board shows an AMIKey KBC which is indeed F. */
-    {
-        .name = "[SiS 471] ABit AB-AH4",
-        .internal_name = "win471",
-        .type = MACHINE_TYPE_486_S2,
-        .chipset = MACHINE_CHIPSET_SIS_471,
-        .init = machine_at_win471_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_VLB,
-        .flags = MACHINE_IDE | MACHINE_APM,
-        .ram = {
-            .min = 1024,
-            .max = 65536,
-            .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 = NULL,
-        .snd_device = NULL,
-        .net_device = NULL
-    },
     /* AMIKey-2 */
     {
         .name = "[i420TX] J-Bond PCI400C-A",
@@ -6369,6 +6327,48 @@ const machine_t machines[] = {
         .snd_device = NULL,
         .net_device = NULL
     },
+    /* The BIOS string ends in -U, unless command 0xA1 (AMIKey get version) returns an
+       'F', in which case, it ends in -F, so it has an AMIKey F KBC firmware.
+       The photo of the board shows an AMIKey KBC which is indeed F. */
+    {
+        .name = "[SiS 471] ABit AB-AH4",
+        .internal_name = "win471",
+        .type = MACHINE_TYPE_486_S3,
+        .chipset = MACHINE_CHIPSET_SIS_471,
+        .init = machine_at_win471_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_VLB,
+        .flags = MACHINE_IDE | MACHINE_APM,
+        .ram = {
+            .min = 1024,
+            .max = 65536,
+            .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 = NULL,
+        .snd_device = NULL,
+        .net_device = NULL
+    },
     /* Has AMIKey H keyboard BIOS. */
     {
         .name = "[SiS 471] AOpen Vi15G",