diff --git a/sys/dev/aic7xxx/aic79xx_pci.c b/sys/dev/aic7xxx/aic79xx_pci.c
index 1996cc77e9fa..0523ed60f42b 100644
--- a/sys/dev/aic7xxx/aic79xx_pci.c
+++ b/sys/dev/aic7xxx/aic79xx_pci.c
@@ -38,7 +38,7 @@
  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGES.
  *
- * $Id: //depot/aic7xxx/aic7xxx/aic79xx_pci.c#76 $
+ * $Id: //depot/aic7xxx/aic7xxx/aic79xx_pci.c#80 $
  */
 
 #include <sys/cdefs.h>
@@ -453,8 +453,10 @@ ahd_pci_test_register_access(struct ahd_softc *ahd)
 	 * or read prefetching could be initiated by the
 	 * CPU or host bridge.  Our device does not support
 	 * either, so look for data corruption and/or flaged
-	 * PCI errors.
+	 * PCI errors.  First pause without causing another
+	 * chip reset.
 	 */
+	hcntrl &= ~CHIPRST;
 	ahd_outb(ahd, HCNTRL, hcntrl|PAUSE);
 	while (ahd_is_paused(ahd) == 0)
 		;
diff --git a/sys/dev/aic7xxx/aic7xxx_pci.c b/sys/dev/aic7xxx/aic7xxx_pci.c
index 9e1e81e3dd08..49ba1f2b07aa 100644
--- a/sys/dev/aic7xxx/aic7xxx_pci.c
+++ b/sys/dev/aic7xxx/aic7xxx_pci.c
@@ -39,7 +39,7 @@
  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGES.
  *
- * $Id: //depot/aic7xxx/aic7xxx/aic7xxx_pci.c#69 $
+ * $Id: //depot/aic7xxx/aic7xxx/aic7xxx_pci.c#72 $
  */
 
 #include <sys/cdefs.h>
@@ -1285,8 +1285,10 @@ ahc_pci_test_register_access(struct ahc_softc *ahc)
 	 * or read prefetching could be initiated by the
 	 * CPU or host bridge.  Our device does not support
 	 * either, so look for data corruption and/or flagged
-	 * PCI errors.
+	 * PCI errors.  First pause without causing another
+	 * chip reset.
 	 */
+	hcntrl &= ~CHIPRST;
 	ahc_outb(ahc, HCNTRL, hcntrl|PAUSE);
 	while (ahc_is_paused(ahc) == 0)
 		;