--- linux-2.6-BK/arch/ppc/platforms/prep_pci.c.orig	2005-02-26 03:27:06.000000000 +0100
+++ linux-2.6-BK/arch/ppc/platforms/prep_pci.c	2005-02-26 03:35:38.000000000 +0100
@@ -46,7 +46,7 @@
 static char Utah_pci_IRQ_map[23] __prepdata =
 {
         0,   /* Slot 0  - unused */
-        0,   /* Slot 1  - unused */
+        4,   /* Slot 1  - IDE - SL82C105 */
         5,   /* Slot 2  - SCSI - NCR825A  */
         0,   /* Slot 3  - unused */
         3,   /* Slot 4  - Ethernet - DEC2114x */