--- dev/ata/ata-dma.c.orig	Thu Jan 31 11:21:34 2002
+++ dev/ata/ata-dma.c	Fri Feb  1 19:09:34 2002
@@ -110,6 +110,12 @@
 	udmamode = 2;
     }
 
+    if (udmamode > 2) {
+	ata_printf(scp, device,
+		   "DMA limited to UDMA33 by controller\n");
+	udmamode = 2;
+    }
+
     switch (scp->chiptype) {
 
     case 0x248a8086:	/* Intel ICH3 mobile */