diff --git a/arch/arm/src/lpc17xx/lpc17_ethernet.c b/arch/arm/src/lpc17xx/lpc17_ethernet.c
index 90a0e134889..3fa7028a788 100644
--- a/arch/arm/src/lpc17xx/lpc17_ethernet.c
+++ b/arch/arm/src/lpc17xx/lpc17_ethernet.c
@@ -2688,12 +2688,18 @@ static inline int lpc17_phyinit(struct lpc17_driver_s *priv)
        phyreg = (unsigned int)lpc17_phyread(phyaddr, MII_PHYID1);
        nvdbg("Addr: %d PHY ID1: %04x\n", phyaddr, phyreg);
 
+       /* Compare OUI bits 3-18 */
+
        if (phyreg == LPC17_PHYID1)
         {
           phyreg = lpc17_phyread(phyaddr, MII_PHYID2);
           nvdbg("Addr: %d PHY ID2: %04x\n", phyaddr, phyreg);
 
-          if (phyreg  == LPC17_PHYID2)
+          /* Compare OUI bits 19-24 and the 6-bit model number (ignoring the
+           * 4-bit revision number).
+           */
+
+          if ((phyreg & 0xfff0) == LPC17_PHYID2)
             {
               break;
             }
diff --git a/configs/lincoln60/netnsh/defconfig b/configs/lincoln60/netnsh/defconfig
index 72e0ae482e9..a1d513cb9ff 100644
--- a/configs/lincoln60/netnsh/defconfig
+++ b/configs/lincoln60/netnsh/defconfig
@@ -255,7 +255,7 @@ CONFIG_BOARD_LOOPSPERMSEC=7982
 # Interrupt options
 #
 CONFIG_ARCH_HAVE_INTERRUPTSTACK=y
-CONFIG_ARCH_INTERRUPTSTACK=0
+CONFIG_ARCH_INTERRUPTSTACK=1536
 CONFIG_ARCH_HAVE_HIPRI_INTERRUPT=y
 # CONFIG_ARCH_HIPRI_INTERRUPT is not set