diff --git a/PDP11/pdp11_xq.c b/PDP11/pdp11_xq.c
index e116bc72..ec5e2a0e 100644
--- a/PDP11/pdp11_xq.c
+++ b/PDP11/pdp11_xq.c
@@ -480,7 +480,7 @@ DEVICE xq_dev = {
   2, XQ_RDX, 11, 1, XQ_RDX, 16,
   &xq_ex, &xq_dep, &xq_reset,
   NULL, &xq_attach, &xq_detach,
-  &xqa_dib, DEV_DISABLE | DEV_QBUS | DEV_DEBUG,
+  &xqa_dib, DEV_FLTA | DEV_DISABLE | DEV_QBUS | DEV_DEBUG,
   0, xq_debug
 };
 
@@ -489,7 +489,7 @@ DEVICE xqb_dev = {
   2, XQ_RDX, 11, 1, XQ_RDX, 16,
   &xq_ex, &xq_dep, &xq_reset,
   NULL, &xq_attach, &xq_detach,
-  &xqb_dib, DEV_DISABLE | DEV_DIS | DEV_QBUS | DEV_DEBUG,
+  &xqb_dib, DEV_FLTA | DEV_DISABLE | DEV_DIS | DEV_QBUS | DEV_DEBUG,
   0, xq_debug
 };
 
@@ -2377,7 +2377,7 @@ t_stat xq_reset(DEVICE* dptr)
     xq->var->sanity.quarter_secs = XQ_HW_SANITY_SECS * 4/*qsec*/;
   }
 
-  return SCPE_OK;
+  return auto_config (0, 0);                              /* run autoconfig */
 }
 
 void xq_reset_santmr(CTLR* xq)
diff --git a/PDP11/pdp11_xu.c b/PDP11/pdp11_xu.c
index c8ff52f4..36e97ca0 100644
--- a/PDP11/pdp11_xu.c
+++ b/PDP11/pdp11_xu.c
@@ -144,14 +144,18 @@ struct xu_device    xua = {
 
 MTAB xu_mod[] = {
 #if defined (VM_PDP11)
-	{ MTAB_XTD|MTAB_VDV, 004, "ADDRESS", "ADDRESS",
-		&set_addr, &show_addr, NULL },
+  { MTAB_XTD|MTAB_VDV, 004, "ADDRESS", "ADDRESS",
+    &set_addr, &show_addr, NULL },
+  { MTAB_XTD | MTAB_VDV, 0, NULL, "AUTOCONFIGURE",
+    &set_addr_flt, NULL, NULL },
+  { MTAB_XTD|MTAB_VDV, 0, "VECTOR", NULL,
+    &set_vec, &show_vec, NULL },
 #else
-	{ MTAB_XTD|MTAB_VDV, 004, "ADDRESS", NULL,
-		NULL, &show_addr, NULL },
+  { MTAB_XTD|MTAB_VDV, 004, "ADDRESS", NULL,
+    NULL, &show_addr, NULL },
+  { MTAB_XTD|MTAB_VDV, 0, "VECTOR", NULL,
+    NULL, &show_vec, NULL },
 #endif
-	{ MTAB_XTD|MTAB_VDV, 0, "VECTOR", NULL,
-		NULL, &show_vec, NULL },
   { MTAB_XTD | MTAB_VDV, 0, "MAC", "MAC=xx:xx:xx:xx:xx:xx",
     &xu_setmac, &xu_showmac, NULL },
   { MTAB_XTD | MTAB_VDV | MTAB_NMO, 0, "ETH", "ETH",
@@ -683,7 +687,7 @@ t_stat xu_reset(DEVICE* dptr)
   /* software reset controller */
   xu_sw_reset(xu);
 
-  return SCPE_OK;
+  return auto_config (0, 0);                              /* run autoconfig */
 }