diff --git a/src/include/86box/device.h b/src/include/86box/device.h
index 584f0f069..af546c64d 100644
--- a/src/include/86box/device.h
+++ b/src/include/86box/device.h
@@ -101,11 +101,11 @@ enum {
     DEVICE_AC97      = 0x100000,   /* requires the AC'97 bus */
     DEVICE_BUS       = 0xffffff,   /* requires a machine bus */
 
-    DEVICE_COM       = 0x100000,   /* requires a serial port */
-    DEVICE_LPT       = 0x200000,   /* requires a parallel port */
+    DEVICE_COM       = 0x200000,   /* requires a serial port */
+    DEVICE_LPT       = 0x400000,   /* requires a parallel port */
 
-    DEVICE_KBC       = 0x400000,   /* is a keyboard controller */
-    DEVICE_SOFTRESET = 0x800000,   /* requires to be reset on soft reset */
+    DEVICE_KBC       = 0x800000,   /* is a keyboard controller */
+    DEVICE_SOFTRESET = 0x1000000,  /* requires to be reset on soft reset */
 
     DEVICE_ONBOARD   = 0x40000000, /* is on-board */
     DEVICE_PIT       = 0x80000000, /* device is a PIT */