diff --git a/urjtag/ChangeLog b/urjtag/ChangeLog
index ef22c2bf..55cad162 100644
--- a/urjtag/ChangeLog
+++ b/urjtag/ChangeLog
@@ -1,6 +1,11 @@
+2010-08-11  Mike Frysinger  <vapier@gentoo.org>
+
+  * src/tap/cable/ice100.c: Add version check and firmware upgrade information
+    for ICE-100B cables (Chad Wentworth).
+
 2010-08-08  Arnim Laeuger  <arniml>
 
-  * src/tap/cable/generic.c: fix TDO handling ingeneric_flush_using_transfer()
+  * src/tap/cable/generic.c: fix TDO handling in generic_flush_using_transfer()
     (Matthias Drochner)
 
 2010-08-07  Mike Frysinger  <vapier@gentoo.org>
diff --git a/urjtag/src/tap/cable/ice100.c b/urjtag/src/tap/cable/ice100.c
index 8e8c8b6a..862d1081 100644
--- a/urjtag/src/tap/cable/ice100.c
+++ b/urjtag/src/tap/cable/ice100.c
@@ -498,6 +498,15 @@ static int ice_init (urj_cable_t *cable)
              ((cable_params->version >> 4) & 0x0F),
              ((cable_params->version)      & 0x0F));
 
+    if (cable_params->version < 0x0107)
+    {
+        urj_log (URJ_LOG_LEVEL_ERROR,
+                 _("The firmware on the ICE-100b needs to be upgraded. Please go to:\n"
+                   "%sto learn how to update the firmware.\n"),
+                   "http://docs.blackfin.uclinux.org/doku.php?id=hw:jtag:ice100b\n");
+        return URJ_STATUS_FAIL;
+    }
+
     /* Set frequency to lowest value */
     ice100b_set_freq (cable, avail_freqs[0]);
     cable_params->sel_rawscan_enabled = (cable_params->version < 0x0107) ? 0 : 1;