[r2-releng6-i386]# diff -u if_em.h.orig if_em.h
--- if_em.h.orig        Sun Nov 26 18:30:01 2006
+++ if_em.h     Sun Nov 26 18:36:47 2006
@@ -49,7 +49,7 @@
  *   desscriptors should meet the following condition.
  *      (num_tx_desc * sizeof(struct em_tx_desc)) % 128 == 0
  */
-#define EM_MIN_TXD             80
+#define EM_MIN_TXD             96
 #define EM_MAX_TXD_82543       256
 #define EM_MAX_TXD             4096
 #define EM_DEFAULT_TXD         EM_MAX_TXD_82543
@@ -67,7 +67,7 @@
  *   desscriptors should meet the following condition.
  *      (num_tx_desc * sizeof(struct em_tx_desc)) % 128 == 0
  */
-#define EM_MIN_RXD             80
+#define EM_MIN_RXD             96
 #define EM_MAX_RXD_82543       256
 #define EM_MAX_RXD             4096
 #define EM_DEFAULT_RXD         EM_MAX_RXD_82543
[r2-releng6-i386]#