diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c
index b107ee3..581316f 100644
--- a/drivers/ide/pci/via82cxxx.c
+++ b/drivers/ide/pci/via82cxxx.c
@@ -503,6 +503,7 @@
 		.bootable	= ON_BOARD,
 		.host_flags	= IDE_HFLAG_PIO_NO_BLACKLIST
 				| IDE_HFLAG_PIO_NO_DOWNGRADE,
+		.pio_mask	= ATA_PIO5,
 	},{	/* 1 */
 		.name		= "VP_IDE",
 		.init_chipset	= init_chipset_via82cxxx,
@@ -512,6 +513,7 @@
 		.bootable	= ON_BOARD,
 		.host_flags	= IDE_HFLAG_PIO_NO_BLACKLIST
 				| IDE_HFLAG_PIO_NO_DOWNGRADE,
+		.pio_mask	= ATA_PIO5,
 	}
 };