diff --git a/drivers/scsi/aic7xxx/aic79xx_pci.c b/drivers/scsi/aic7xxx/aic79xx_pci.c
index 2131db60018a..196a6344b037 100644
--- a/drivers/scsi/aic7xxx/aic79xx_pci.c
+++ b/drivers/scsi/aic7xxx/aic79xx_pci.c
@@ -38,9 +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#77 $
- *
- * $FreeBSD$
+ * $Id: //depot/aic7xxx/aic7xxx/aic79xx_pci.c#89 $
  */
 
 #ifdef __linux__
@@ -114,6 +112,13 @@ struct ahd_pci_identity ahd_pci_ident_table [] =
 		"Adaptec 29320ALP Ultra320 SCSI adapter",
 		ahd_aic7901_setup
 	},
+	/* aic7901A based controllers */
+	{
+		ID_AHA_29320LP,
+		ID_ALL_MASK,
+		"Adaptec 29320LP Ultra320 SCSI adapter",
+		ahd_aic7901A_setup
+	},
 	/* aic7902 based controllers */	
 	{
 		ID_AHA_29320,
@@ -127,12 +132,6 @@ struct ahd_pci_identity ahd_pci_ident_table [] =
 		"Adaptec 29320B Ultra320 SCSI adapter",
 		ahd_aic7902_setup
 	},
-	{
-		ID_AHA_29320LP,
-		ID_ALL_MASK,
-		"Adaptec 29320LP Ultra320 SCSI adapter",
-		ahd_aic7901A_setup
-	},
 	{
 		ID_AHA_39320,
 		ID_ALL_MASK,
@@ -145,6 +144,12 @@ struct ahd_pci_identity ahd_pci_ident_table [] =
 		"Adaptec 39320 Ultra320 SCSI adapter",
 		ahd_aic7902_setup
 	},
+	{
+		ID_AHA_39320_B_DELL,
+		ID_ALL_MASK,
+		"Adaptec (Dell OEM) 39320 Ultra320 SCSI adapter",
+		ahd_aic7902_setup
+	},
 	{
 		ID_AHA_39320A,
 		ID_ALL_MASK,
@@ -668,6 +673,7 @@ ahd_configure_termination(struct ahd_softc *ahd, u_int adapter_control)
 	 * Now set the termination based on what we found.
 	 */
 	sxfrctl1 = ahd_inb(ahd, SXFRCTL1) & ~STPWEN;
+	ahd->flags &= ~AHD_TERM_ENB_A;
 	if ((termctl & FLX_TERMCTL_ENPRILOW) != 0) {
 		ahd->flags |= AHD_TERM_ENB_A;
 		sxfrctl1 |= STPWEN;
diff --git a/drivers/scsi/aic7xxx/aic79xx_pci.h b/drivers/scsi/aic7xxx/aic79xx_pci.h
index b5cfeabdfecf..da45153668c7 100644
--- a/drivers/scsi/aic7xxx/aic79xx_pci.h
+++ b/drivers/scsi/aic7xxx/aic79xx_pci.h
@@ -53,14 +53,15 @@
 #define ID_AHA_29320ALP			0x8017900500449005ull
 
 #define ID_AIC7901A			0x801E9005FFFF9005ull
-#define ID_AHA_29320			0x8012900500429005ull
-#define ID_AHA_29320B			0x8013900500439005ull
 #define ID_AHA_29320LP			0x8014900500449005ull
 
 #define ID_AIC7902			0x801F9005FFFF9005ull
 #define ID_AIC7902_B			0x801D9005FFFF9005ull
 #define ID_AHA_39320			0x8010900500409005ull
+#define ID_AHA_29320			0x8012900500429005ull
+#define ID_AHA_29320B			0x8013900500439005ull
 #define ID_AHA_39320_B			0x8015900500409005ull
+#define ID_AHA_39320_B_DELL		0x8015900501681028ull
 #define ID_AHA_39320A			0x8016900500409005ull
 #define ID_AHA_39320D			0x8011900500419005ull
 #define ID_AHA_39320D_B			0x801C900500419005ull
diff --git a/drivers/scsi/aic7xxx/aic7xxx_pci.c b/drivers/scsi/aic7xxx/aic7xxx_pci.c
index b3b2e2237eb3..5f586140e057 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_pci.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_pci.c
@@ -39,9 +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 $
- *
- * $FreeBSD$
+ * $Id: //depot/aic7xxx/aic7xxx/aic7xxx_pci.c#79 $
  */
 
 #ifdef __linux__
@@ -393,6 +391,12 @@ struct ahc_pci_identity ahc_pci_ident_table [] =
 		"Adaptec aic7892 Ultra160 SCSI adapter (ARO)",
 		ahc_aic7892_setup
 	},
+	{
+		ID_AHA_2915_30LP,
+		ID_ALL_MASK,
+		"Adaptec 2915/30LP Ultra160 SCSI adapter",
+		ahc_aic7892_setup
+	},
 	/* aic7895 based controllers */	
 	{
 		ID_AHA_2940U_DUAL,
@@ -1193,9 +1197,19 @@ ahc_pci_test_register_access(struct ahc_softc *ahc)
 	 * use for this test.
 	 */
 	hcntrl = ahc_inb(ahc, HCNTRL);
+
 	if (hcntrl == 0xFF)
 		goto fail;
 
+	if ((hcntrl & CHIPRST) != 0) {
+		/*
+		 * The chip has not been initialized since
+		 * PCI/EISA/VLB bus reset.  Don't trust
+		 * "left over BIOS data".
+		 */
+		ahc->flags |= AHC_NO_BIOS_INIT;
+	}
+
 	/*
 	 * Next create a situation where write combining
 	 * or read prefetching could be initiated by the
@@ -1307,6 +1321,10 @@ check_extport(struct ahc_softc *ahc, u_int *sxfrctl1)
 			sd.sd_chip = C56_66;
 		}
 		ahc_release_seeprom(&sd);
+
+		/* Remember the SEEPROM type for later */
+		if (sd.sd_chip == C56_66)
+			ahc->flags |= AHC_LARGE_SEEPROM;
 	}
 
 	if (!have_seeprom) {
diff --git a/drivers/scsi/aic7xxx/aic7xxx_pci.h b/drivers/scsi/aic7xxx/aic7xxx_pci.h
index be27fcb20346..263f85da405e 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_pci.h
+++ b/drivers/scsi/aic7xxx/aic7xxx_pci.h
@@ -105,6 +105,7 @@
 #define ID_AHA_29160C			0x0080900562209005ull
 #define ID_AHA_29160B			0x00809005E2209005ull
 #define ID_AHA_19160B			0x0081900562A19005ull
+#define ID_AHA_2915_30LP		0x0082900502109005ull
 
 #define ID_AIC7896			0x005F9005FFFF9005ull
 #define ID_AIC7896_ARO			0x00539005FFFF9005ull