diff -Naur linux-2.4.22.old/init/do_mounts.c linux-2.4.22/init/do_mounts.c
--- linux-2.4.22.old/init/do_mounts.c	2003-09-10 12:18:55.000000000 +0100
+++ linux-2.4.22/init/do_mounts.c	2003-09-23 12:46:36.000000000 +0100
@@ -227,6 +227,11 @@
 	{ "ataraid/d13p",0x72D0 },
 	{ "ataraid/d14p",0x72E0 },
 	{ "ataraid/d15p",0x72F0 },
+#ifdef CONFIG_BLK_DEV_RAM
+#ifdef CONFIG_BLK_DEV_INITRD
+        { "rd/0",     0x0100 },
+#endif
+#endif
         { "rd/c0d0p",0x3000 },
         { "rd/c0d0p1",0x3001 },
         { "rd/c0d0p2",0x3002 },