diff --git a/src/cas/generic/casAsyncPVCIOI.cc b/src/cas/generic/casAsyncPVCIOI.cc
new file mode 100644
index 000000000..c827e9a0c
--- /dev/null
+++ b/src/cas/generic/casAsyncPVCIOI.cc
@@ -0,0 +1,101 @@
+/*
+ *      $Id$
+ *
+ *      Author  Jeffrey O. Hill
+ *              johill@lanl.gov
+ *              505 665 1831
+ *
+ *      Experimental Physics and Industrial Control System (EPICS)
+ *
+ *      Copyright 1991, the Regents of the University of California,
+ *      and the University of Chicago Board of Governors.
+ *
+ *      This software was produced under  U.S. Government contracts:
+ *      (W-7405-ENG-36) at the Los Alamos National Laboratory,
+ *      and (W-31-109-ENG-38) at Argonne National Laboratory.
+ *
+ *      Initial development by:
+ *              The Controls and Automation Group (AT-8)
+ *              Ground Test Accelerator
+ *              Accelerator Technology Division
+ *              Los Alamos National Laboratory
+ *
+ *      Co-developed with
+ *              The Controls and Computing Group
+ *              Accelerator Systems Division
+ *              Advanced Photon Source
+ *              Argonne National Laboratory
+ *
+ *
+ * History
+ * $Log$
+ * Revision 1.2  1996/11/06 22:15:53  jhill
+ * allow monitor init read to using rd async io
+ *
+ * Revision 1.1  1996/11/02 01:01:02  jhill
+ * installed
+ *
+ *
+ *
+ */
+
+
+#include "server.h"
+#include "casAsyncIOIIL.h" 	// casAsyncIOI in line func
+#include "casChannelIIL.h"	// casChannelI in line func
+#include "casOpaqueAddrIL.h"	// casOpaqueAddr in line func
+#include "casCtxIL.h"		// casCtx in line func
+#include "casCoreClientIL.h"	// casCoreClient in line func
+
+//
+// casAsyncPVCIOI::casAsyncPVCIOI()
+//
+casAsyncPVCIOI::casAsyncPVCIOI(const casCtx &ctx, 
+			casAsyncPVCreateIO &ioIn) :
+	casAsyncIOI(*ctx.getClient(), ioIn),
+	msg(*ctx.getMsg())
+{
+	assert (&this->msg);
+	this->client.installAsyncIO(*this);
+}
+
+//
+// casAsyncPVCIOI::~casAsyncPVCIOI()
+//
+casAsyncPVCIOI::~casAsyncPVCIOI()
+{
+	this->client.removeAsyncIO(*this);
+}
+
+//
+// casAsyncPVCIOI::postIOCompletion()
+//
+caStatus casAsyncPVCIOI::postIOCompletion(const pvCreateReturn &retValIn)
+{
+	this->retVal = retValIn; 
+	return this->postIOCompletionI();
+}
+
+
+//
+// casAsyncPVCIOI::cbFuncAsyncIO()
+// (called when IO completion event reaches top of event queue)
+//
+caStatus casAsyncPVCIOI::cbFuncAsyncIO()
+{
+	caStatus 	status;
+
+        switch (this->msg.m_cmmd) {
+        case CA_PROTO_CLAIM_CIU:
+		status = this->client.createChanResponse(this->msg, this->retVal);
+                break;
+ 
+        default:
+                this->reportInvalidAsynchIO(this->msg.m_cmmd);
+                status = S_cas_internal;
+                break;
+        }
+
+	return status;
+}
+