diff --git a/PDP10/pdp10_rp.c b/PDP10/pdp10_rp.c
index a5997728..f7bae99f 100644
--- a/PDP10/pdp10_rp.c
+++ b/PDP10/pdp10_rp.c
@@ -1155,6 +1155,7 @@ return SCPE_OK;
 t_stat rp_detach (UNIT *uptr)
 {
 int32 drv;
+extern int32 sim_is_running;
 
 if (!(uptr->flags & UNIT_ATT))                          /* attached? */
     return SCPE_OK;
@@ -1167,7 +1168,8 @@ if (sim_is_active (uptr)) {                             /* unit active? */
     if (uptr->FUNC >= FNC_WCHK)                         /* data transfer? */
         rpcs1 = rpcs1 | CS1_DONE | CS1_TRE;             /* set done, err */
     }
-update_rpcs (CS1_SC, drv);                              /* request intr */
+if (!sim_is_running)                                    /* from console? */
+    update_rpcs (CS1_SC, drv);                          /* request intr */
 return detach_unit (uptr);
 }
 
diff --git a/PDP11/pdp11_rp.c b/PDP11/pdp11_rp.c
index a98463ff..d3fe3d8d 100644
--- a/PDP11/pdp11_rp.c
+++ b/PDP11/pdp11_rp.c
@@ -1390,11 +1390,14 @@ t_stat rp_detach (UNIT *uptr)
 {
 int32 drv;
 DEVICE *dptr = find_dev_from_unit (uptr);
+extern int32 sim_is_running;
 
 if (!(uptr->flags & UNIT_ATT))                          /* attached? */
     return SCPE_OK;
 drv = (int32) (uptr - dptr->units);                     /* get drv number */
 rpds[drv] = rpds[drv] & ~(DS_MOL | DS_RDY | DS_WRL | DS_VV | DS_OFM);
+if (!sim_is_running)                                    /* from console? */
+    rp_update_ds (DS_ATA, drv);                         /* request intr */
 return sim_disk_detach (uptr);
 }