1 files changed, 6 insertions, 4 deletions

diff --git a/sys/dev/ata/ata-disk.c b/sys/dev/ata/ata-disk.c
index a11e76635d612..cd09f8329b6c4 100644
--- a/sys/dev/ata/ata-disk.c
+++ b/sys/dev/ata/ata-disk.c
@@ -117,11 +117,13 @@ ad_attach(struct ata_softc *scp, int32_t device)
 
     /* use multiple sectors/interrupt if device supports it */
     adp->transfersize = DEV_BSIZE;
-    secsperint = max(1, min(AD_PARAM->nsecperint, 16));
-    if (!ata_command(adp->controller, adp->unit, ATA_C_SET_MULTI,
-		     0, 0, 0, secsperint, 0, ATA_WAIT_INTR) &&
-        ata_wait(adp->controller, adp->unit, ATA_S_READY) >= 0)
+    if (ad_version(AD_PARAM->versmajor)) {
+	secsperint = max(1, min(AD_PARAM->nsecperint, 16));
+	if (!ata_command(adp->controller, adp->unit, ATA_C_SET_MULTI,
+			 0, 0, 0, secsperint, 0, ATA_WAIT_INTR) &&
+            ata_wait(adp->controller, adp->unit, ATA_S_READY) >= 0)
         adp->transfersize *= secsperint;
+    }
 
     /* enable read/write cacheing if not default on device */
     if (ata_command(adp->controller, adp->unit, ATA_C_SETFEATURES,