--- linux/drivers/scsi/megaraid.c	Wed Nov  8 16:02:45 2000
+++ linux/drivers/scsi/megaraid.c	Fri Nov 10 12:03:05 2000
@@ -1920,10 +1920,14 @@
 
     pciIdx++;
 
-    if (flag & BOARD_QUARTZ)
+    if (flag & BOARD_QUARTZ) {
+       megaBase &= PCI_BASE_ADDRESS_MEM_MASK;
        megaBase = (long) ioremap (megaBase, 128);
-    else
+    }
+    else {
+       megaBase &= PCI_BASE_ADDRESS_MEM_MASK;
        megaBase += 0x10;
+    }
 
     /* Initialize SCSI Host structure */
     host = scsi_register (pHostTmpl, sizeof (mega_host_config));