diff --git a/src/include/86box/machine.h b/src/include/86box/machine.h
index 0c22f94e4..4e68020d4 100644
--- a/src/include/86box/machine.h
+++ b/src/include/86box/machine.h
@@ -760,6 +760,7 @@ extern int             machine_at_acerv10_init(const machine_t *);
 
 /* SiS 471 */
 extern int             machine_at_win471_init(const machine_t *);
+extern int             machine_at_win471t_init(const machine_t *);
 extern int             machine_at_vi15g_init(const machine_t *);
 extern int             machine_at_vli486sv2g_init(const machine_t *);
 extern int             machine_at_dvent4xx_init(const machine_t *);
diff --git a/src/machine/m_at_socket3.c b/src/machine/m_at_socket3.c
index b98d27627..008394505 100644
--- a/src/machine/m_at_socket3.c
+++ b/src/machine/m_at_socket3.c
@@ -314,6 +314,24 @@ machine_at_win471_init(const machine_t *model)
     return ret;
 }
 
+int
+machine_at_win471t_init(const machine_t *model)
+{
+    int ret;
+
+    ret = bios_load_linear("roms/machines/win471t/486-SiS_AB6680759.BIN",
+                           0x000f0000, 65536, 0);
+
+    if (bios_only || !ret)
+        return ret;
+
+    machine_at_sis_85c471_common_init(model);
+
+    device_add_params(machine_get_kbc_device(machine), (void *) model->kbc_params);
+
+    return ret;
+}
+
 int
 machine_at_vi15g_init(const machine_t *model)
 {
diff --git a/src/machine/machine_table.c b/src/machine/machine_table.c
index 45fdb6bc3..1ffae2fda 100644
--- a/src/machine/machine_table.c
+++ b/src/machine/machine_table.c
@@ -8778,13 +8778,13 @@ const machine_t machines[] = {
         .gpio_acpi_handler = NULL,
         .cpu               = {
             .package     = CPU_PKG_SOCKET3,
-            .block       = CPU_BLOCK_NONE,
+            .block       = CPU_BLOCK(CPU_Cx5x86),
             .min_bus     = 0,
             .max_bus     = 0,
             .min_voltage = 0,
             .max_voltage = 0,
             .min_multi   = 0,
-            .max_multi   = 0
+            .max_multi   = 2
         },
         .bus_flags = MACHINE_VLB,
         .flags     = MACHINE_APM,
@@ -8809,6 +8809,50 @@ const machine_t machines[] = {
         .snd_device               = NULL,
         .net_device               = NULL
     },
+    /* JETKey 5.0 KBC */
+    {
+        .name              = "[SiS 471] ABIT AB-AH4T",
+        .internal_name     = "win471t",
+        .type              = MACHINE_TYPE_486_S3,
+        .chipset           = MACHINE_CHIPSET_SIS_471,
+        .init              = machine_at_win471t_init,
+        .p1_handler        = machine_generic_p1_handler,
+        .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_APM | MACHINE_ACPI,
+        .ram       = {
+            .min  = 1024,
+            .max  = 131072,
+            .step = 1024
+        },
+        .nvrmask                  = 127,
+        .jumpered_ecp_dma         = 0,
+        .default_jumpered_ecp_dma = -1,
+        .kbc_device               = &kbc_at_device,
+        .kbc_params               = KBC_VEN_AMI | KBC_FLAG_IS_CLONE | KBC_FLAG_IS_ASIC | 0x00004800,
+        .kbc_p1                   = 0x00000cf0,
+        .gpio                     = 0xffffffff,
+        .gpio_acpi                = 0xffffffff,
+        .device                   = NULL,
+        .kbd_device               = NULL,
+        .fdc_device               = NULL,
+        .sio_device               = NULL,
+        .vid_device               = NULL,
+        .snd_device               = NULL,
+        .net_device               = NULL
+    },
     /* Has AMIKey-2 'H' keyboard BIOS. */
     {
         .name              = "[SiS 471] AOpen Vi15G",