--- tmp/grub-0.95+cvs20040624/lib/device.c	2004-05-23 18:45:35.000000000 +0200
+++ grub-0.95+cvs20040624/lib/device.c	2005-01-12 18:19:14.000000000 +0100
@@ -858,8 +938,14 @@
       if (strcmp (dev + strlen(dev) - 5, "/disc") == 0)
 	strcpy (dev + strlen(dev) - 5, "/part");
     }
-  sprintf (dev + strlen(dev), "%d", ((partition >> 16) & 0xFF) + 1);
-  
+  sprintf (dev + strlen(dev), "%s%d", 
+   /* Compaq smart and others */
+   (strncmp(dev, "/dev/ida/", 9) == 0 ||
+   strncmp(dev, "/dev/ataraid/", 13) == 0 ||
+   strncmp(dev, "/dev/cciss/", 11) == 0 ||
+   strncmp(dev, "/dev/rd/", 8) == 0) ? "p" : "",
+   ((partition >> 16) & 0xFF) + 1);
+
   /* Open the partition.  */
   fd = open (dev, O_RDWR);
   if (fd < 0)