diff --git a/configs/README.txt b/configs/README.txt
index e2b725c9087..6b5bcc49f1f 100644
--- a/configs/README.txt
+++ b/configs/README.txt
@@ -706,6 +706,12 @@ defconfig -- This is a configuration file similar to the Linux
     USB host controller driver
       CONFIG_USBHOST
         Enables USB host support
+      CONFIG_USBHOST_HAVERHSC
+        Define if the hardware is able to detect a root hub status change
+        when a device is inserted.  If CONFIG_USBHOST_HAVERHSC is not set,
+        then it is assumed that the hardware cannot detect the presence
+        of a USB device and that the application must periodically attempt
+        to enumerate the device.
       CONFIG_USBHOST_NPREALLOC
         Number of pre-allocated class instances
 
diff --git a/configs/nucleus2g/src/up_nsh.c b/configs/nucleus2g/src/up_nsh.c
index 301057be0c1..8082b6e974b 100755
--- a/configs/nucleus2g/src/up_nsh.c
+++ b/configs/nucleus2g/src/up_nsh.c
@@ -41,6 +41,7 @@
 #include <nuttx/config.h>
 
 #include <stdio.h>
+#include <unistd.h>
 #include <debug.h>
 #include <errno.h>
 
@@ -171,6 +172,7 @@ static int nsh_waiter(int argc, char *argv[])
   message("nsh_waiter: Running\n");
   for (;;)
     {
+#ifdef CONFIG_USBHOST_HAVERHSC
       /* Wait for the device to change state */
 
       ret = DRVR_WAIT(g_drvr, connected);
@@ -187,6 +189,39 @@ static int nsh_waiter(int argc, char *argv[])
 
           (void)DRVR_ENUMERATE(g_drvr);
         }
+#else
+      /* Is the device connected? */
+
+      if (connected)
+        {
+          /* Yes.. wait for the disconnect event */
+
+          ret = DRVR_WAIT(g_drvr, false);
+          DEBUGASSERT(ret == OK);
+
+          connected = false;
+          message("nsh_waiter: Not connected\n");
+        }
+      else
+        {
+          /* Wait a bit */
+
+          sleep(2);
+
+          /* Try to enumerate the device */
+
+          uvdbg("nsh_usbhostinitialize: Enumerate device\n");
+          ret = DRVR_ENUMERATE(g_drvr);
+          if (ret != OK)
+            {
+              uvdbg("nsh_usbhostinitialize: Enumeration failed: %d\n", ret);
+            }
+          else
+            {
+              message("nsh_usbhostinitialize: Connected\n");
+            }
+        }
+#endif
     }
 
   /* Keep the compiler from complaining */
@@ -210,6 +245,7 @@ static int nsh_usbhostinitialize(void)
 
   /* First, get an instance of the USB host interface */
 
+  message("nsh_usbhostinitialize: Initialize USB host\n");
   g_drvr = usbhost_initialize(0);
   if (g_drvr)
     {
diff --git a/configs/olimex-lpc1766stk/include/board.h b/configs/olimex-lpc1766stk/include/board.h
index 6d6212644ba..275714da0cf 100755
--- a/configs/olimex-lpc1766stk/include/board.h
+++ b/configs/olimex-lpc1766stk/include/board.h
@@ -225,6 +225,29 @@
  * P2[9]/USB_CONNECT/RXD2            64  USBD_CONNECT
  */
 
+#ifdef GPIO_USB_PPWR  /* We can only redefine this if they have been defined */
+
+/* The Olimex LPC1766-STK has 10K pull-ups on PPWR and OVRCR and a 100k
+ * pull-down on PWRD so we should make sure that the outputs float.
+ */
+
+#  undef  GPIO_USB_PPWR
+#  define GPIO_USB_PPWR    (GPIO_ALT2 | GPIO_FLOAT | GPIO_PORT1 | GPIO_PIN19)
+#  undef  GPIO_USB_OVRCR
+#  define GPIO_USB_OVRCR   (GPIO_ALT2 | GPIO_FLOAT | GPIO_PORT1 | GPIO_PIN27)
+#  undef  GPIO_USB_PWRD
+#  define GPIO_USB_PWRD    (GPIO_ALT2 | GPIO_FLOAT | GPIO_PORT1 | GPIO_PIN22)
+
+/* In host mode (only) there are also 15K pull-downs on D+ and D- */
+
+#  ifdef CONFIG_USBHOST
+#    undef  GPIO_USB_DP
+#    define GPIO_USB_DP    (GPIO_ALT1 | GPIO_FLOAT | GPIO_PORT0 | GPIO_PIN29)
+#    undef  GPIO_USB_DM
+#    define GPIO_USB_DM    (GPIO_ALT1 | GPIO_FLOAT | GPIO_PORT0 | GPIO_PIN30)
+#  endif
+#endif
+
 /* Ethernet GPIO                    PIN  SIGNAL NAME
  * -------------------------------- ---- --------------
  * P1[0]/ENET_TXD0                   95  E_TXD0
diff --git a/configs/olimex-lpc1766stk/src/up_nsh.c b/configs/olimex-lpc1766stk/src/up_nsh.c
index 62b470400a5..3a3bd4d975c 100755
--- a/configs/olimex-lpc1766stk/src/up_nsh.c
+++ b/configs/olimex-lpc1766stk/src/up_nsh.c
@@ -41,6 +41,7 @@
 #include <nuttx/config.h>
 
 #include <stdio.h>
+#include <unistd.h>
 #include <debug.h>
 #include <errno.h>
 
@@ -164,6 +165,7 @@ static int nsh_waiter(int argc, char *argv[])
   message("nsh_waiter: Running\n");
   for (;;)
     {
+#ifdef CONFIG_USBHOST_HAVERHSC
       /* Wait for the device to change state */
 
       ret = DRVR_WAIT(g_drvr, connected);
@@ -180,6 +182,39 @@ static int nsh_waiter(int argc, char *argv[])
 
           (void)DRVR_ENUMERATE(g_drvr);
         }
+#else
+      /* Is the device connected? */
+
+      if (connected)
+        {
+          /* Yes.. wait for the disconnect event */
+
+          ret = DRVR_WAIT(g_drvr, false);
+          DEBUGASSERT(ret == OK);
+
+          connected = false;
+          message("nsh_waiter: Not connected\n");
+        }
+      else
+        {
+          /* Wait a bit */
+
+          sleep(2);
+
+          /* Try to enumerate the device */
+
+          uvdbg("nsh_usbhostinitialize: Enumerate device\n");
+          ret = DRVR_ENUMERATE(g_drvr);
+          if (ret != OK)
+            {
+              uvdbg("nsh_usbhostinitialize: Enumeration failed: %d\n", ret);
+            }
+          else
+            {
+              message("nsh_usbhostinitialize: Connected\n");
+            }
+        }
+#endif
     }
 
   /* Keep the compiler from complaining */
@@ -263,6 +298,7 @@ static int nsh_usbhostinitialize(void)
 
   /* First, get an instance of the USB host interface */
 
+  message("nsh_usbhostinitialize: Initialize USB host\n");
   g_drvr = usbhost_initialize(0);
   if (g_drvr)
     {