diff --git a/PDP11/pdp11_rq.c b/PDP11/pdp11_rq.c
index dc2b4cba..c0cdd50f 100644
--- a/PDP11/pdp11_rq.c
+++ b/PDP11/pdp11_rq.c
@@ -994,7 +994,7 @@ REG rq_reg[] = {
     { URDATAD (PKTQ,    rq_unit[0].pktq, 10, 5, 0, RQ_NUMDR, 0, "packet queue, units 0 to 3") },
     { URDATAD (UFLG,    rq_unit[0].uf,  DEV_RDX, 16, 0, RQ_NUMDR, 0, "unit flags, units 0 to 3") },
     { URDATA  (CAPAC,   rq_unit[0].capac, 10, T_ADDR_W, 0, RQ_NUMDR, PV_LEFT | REG_HRO) },
-    { URDATAD (PLUG,    rq_unit[0].unit_plug, 10, T_ADDR_W, 0, RQ_NUMDR, PV_LEFT | REG_RO, "unit plug value, units 0 to 3") },
+    { URDATAD (PLUG,    rq_unit[0].unit_plug, 10, 32, 0, RQ_NUMDR, PV_LEFT | REG_RO, "unit plug value, units 0 to 3") },
     { GRDATA  (DEVADDR, rq_dib.ba,      DEV_RDX, 32, 0), REG_HRO },
     { GRDATA  (DEVVEC,  rq_dib.vec,     DEV_RDX, 16, 0), REG_HRO },
     { DRDATA  (DEVLBN,  drv_tab[RA8U_DTYPE].lbn, 22), REG_HRO },
@@ -1173,7 +1173,7 @@ REG rqb_reg[] = {
     { URDATAD (PKTQ,    rqb_unit[0].pktq, 10, 5, 0, RQ_NUMDR, 0, "packet queue, units 0 to 3") },
     { URDATAD (UFLG,    rqb_unit[0].uf,  DEV_RDX, 16, 0, RQ_NUMDR, 0, "unit flags, units 0 to 3") },
     { URDATA  (CAPAC,   rqb_unit[0].capac, 10, T_ADDR_W, 0, RQ_NUMDR, PV_LEFT | REG_HRO) },
-    { URDATAD (PLUG,    rqb_unit[0].unit_plug, 10, T_ADDR_W, 0, RQ_NUMDR, PV_LEFT | REG_RO, "unit plug value, units 0 to 3") },
+    { URDATAD (PLUG,    rqb_unit[0].unit_plug, 10, 32, 0, RQ_NUMDR, PV_LEFT | REG_RO, "unit plug value, units 0 to 3") },
     { GRDATA  (DEVADDR, rqb_dib.ba,      DEV_RDX, 32, 0), REG_HRO },
     { GRDATA  (DEVVEC,  rqb_dib.vec,     DEV_RDX, 16, 0), REG_HRO },
     { NULL }
@@ -1246,7 +1246,7 @@ REG rqc_reg[] = {
     { URDATAD (PKTQ,    rqc_unit[0].pktq, 10, 5, 0, RQ_NUMDR, 0, "packet queue, units 0 to 3") },
     { URDATAD (UFLG,    rqc_unit[0].uf,  DEV_RDX, 16, 0, RQ_NUMDR, 0, "unit flags, units 0 to 3") },
     { URDATA  (CAPAC,   rqc_unit[0].capac, 10, T_ADDR_W, 0, RQ_NUMDR, PV_LEFT | REG_HRO) },
-    { URDATAD (PLUG,    rqc_unit[0].unit_plug, 10, T_ADDR_W, 0, RQ_NUMDR, PV_LEFT | REG_RO, "unit plug value, units 0 to 3") },
+    { URDATAD (PLUG,    rqc_unit[0].unit_plug, 10, 32, 0, RQ_NUMDR, PV_LEFT | REG_RO, "unit plug value, units 0 to 3") },
     { GRDATA  (DEVADDR, rqc_dib.ba,      DEV_RDX, 32, 0), REG_HRO },
     { GRDATA  (DEVVEC,  rqc_dib.vec,     DEV_RDX, 16, 0), REG_HRO },
     { NULL }
@@ -1319,7 +1319,7 @@ REG rqd_reg[] = {
     { URDATAD (PKTQ,    rqd_unit[0].pktq, 10, 5, 0, RQ_NUMDR, 0, "packet queue, units 0 to 3") },
     { URDATAD (UFLG,    rqd_unit[0].uf,  DEV_RDX, 16, 0, RQ_NUMDR, 0, "unit flags, units 0 to 3") },
     { URDATA  (CAPAC,   rqd_unit[0].capac, 10, T_ADDR_W, 0, RQ_NUMDR, PV_LEFT | REG_HRO) },
-    { URDATAD (PLUG,    rqd_unit[0].unit_plug, 10, T_ADDR_W, 0, RQ_NUMDR, PV_LEFT | REG_RO, "unit plug value, units 0 to 3") },
+    { URDATAD (PLUG,    rqd_unit[0].unit_plug, 10, 32, 0, RQ_NUMDR, PV_LEFT | REG_RO, "unit plug value, units 0 to 3") },
     { GRDATA  (DEVADDR, rqd_dib.ba,      DEV_RDX, 32, 0), REG_HRO },
     { GRDATA  (DEVVEC,  rqd_dib.vec,     DEV_RDX, 16, 0), REG_HRO },
     { NULL }
diff --git a/PDP11/pdp11_tq.c b/PDP11/pdp11_tq.c
index e4a8dbd2..f0fd288a 100644
--- a/PDP11/pdp11_tq.c
+++ b/PDP11/pdp11_tq.c
@@ -465,7 +465,7 @@ REG tq_reg[] = {
     { DRDATAD (XTIME,               tq_xtime, 24,             "response time for data transfers"), PV_LEFT + REG_NZ },
     { DRDATAD (RWTIME,             tq_rwtime, 32,             "rewind time 2 sec (adjusted later)"), PV_LEFT + REG_NZ },
     { BRDATAD (PKTS,                  tq_pkt, DEV_RDX, 16, TQ_NPKTS * (TQ_PKT_SIZE_W + 1), "packet buffers, 33W each, 32 entries") },
-    { URDATAD (PLUG,    tq_unit[0].unit_plug, 10, T_ADDR_W, 0, TQ_NUMDR, PV_LEFT | REG_RO, "unit plug value, units 0 to 3") },
+    { URDATAD (PLUG,    tq_unit[0].unit_plug, 10, 32, 0, TQ_NUMDR, PV_LEFT | REG_RO, "unit plug value, units 0 to 3") },
     { DRDATA  (DEVTYPE,               tq_typ, 2), REG_HRO },
     { DRDATA  (DEVCAP, drv_tab[TQU_TYPE].cap, T_ADDR_W), PV_LEFT | REG_HRO },
     { GRDATA  (DEVADDR,            tq_dib.ba, DEV_RDX, 32, 0), REG_HRO },
diff --git a/PDP11/pdp11_xq.h b/PDP11/pdp11_xq.h
index 2152c877..023dbfe6 100644
--- a/PDP11/pdp11_xq.h
+++ b/PDP11/pdp11_xq.h
@@ -268,7 +268,7 @@ struct xq_device {
   uint32            throttle_time;                      /* ms burst time window */
   uint32            throttle_burst;                     /* packets passed with throttle_time which trigger throttling */
   uint32            throttle_delay;                     /* ms to delay when throttling.  0 disables throttling */
-  uint16            startup_delay;                      /* instructions to delay when starting the receiver */
+  uint32            startup_delay;                      /* instructions to delay when starting the receiver */
                                                         /*- initialized values - DO NOT MOVE */
 
                                                         /* I/O register storage */