diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c
index 351dab2fcacf730f0c070cf772383270efa186ab..d419e4bb54f4454e965aacbc32d1f7a902f62fdb 100644
--- a/drivers/ide/pci/alim15x3.c
+++ b/drivers/ide/pci/alim15x3.c
@@ -730,7 +730,7 @@ static unsigned int __devinit ata66_ali15x3 (ide_hwif_t *hwif)
 	
 	if(m5229_revision <= 0x20)
 		tmpbyte = (tmpbyte & (~0x02)) | 0x01;
-	else if (m5229_revision == 0xc7)
+	else if (m5229_revision == 0xc7 || m5229_revision == 0xc8)
 		tmpbyte |= 0x03;
 	else
 		tmpbyte |= 0x01;