The GW-286CT-GEAR now has a non-AMI keyboard controller (it's supposed to have C&T KBC firmware), fixes MS-DOS booting.

src/machine/m_at_286_386sx.c

@@ -323,7 +323,10 @@ machine_at_gw286ct_init(const machine_t *model)
 
     device_add(&f82c710_device);
 
-    machine_at_scat_init(model, 1);
+    machine_at_common_init(model);
+    device_add(&keyboard_at_device);
+
+    device_add(&scat_4_device);
 
     device_add(&ide_isa_device);