diff --git a/pcr/pcr.c b/pcr/pcr.c
index f876fb8a3..9be5fb965 100644
--- a/pcr/pcr.c
+++ b/pcr/pcr.c
@@ -301,6 +301,9 @@ pcr_transaction(RIG * rig, const char *cmd)
 		return -RIG_EPROTO;
 	}
 
+	/* flush any leftover */
+	serial_flush(&rs->rigport);
+
 	rig_debug(RIG_DEBUG_TRACE,
 		  "%s: got %c%c%c%c\n", __func__, buf[0], buf[1], buf[2], buf[3]);
 
diff --git a/pcr/pcr.h b/pcr/pcr.h
index 7788becb8..b311fa466 100644
--- a/pcr/pcr.h
+++ b/pcr/pcr.h
@@ -30,7 +30,7 @@
 #define TOK_EL_ANL  TOKEN_BACKEND(1)
 
 
-#define BACKEND_VER		"0.6"
+#define BACKEND_VER		"0.7"
 
 #define PCR_MAX_CMD_LEN		32
 
diff --git a/pcr/pcr100.c b/pcr/pcr100.c
index 9394a6fde..c135abb94 100644
--- a/pcr/pcr100.c
+++ b/pcr/pcr100.c
@@ -62,7 +62,7 @@ const struct rig_caps pcr100_caps = {
 	.dcd_type		= RIG_DCD_RIG,
 	.port_type		= RIG_PORT_SERIAL,
 
-	.serial_rate_min	= 300,
+	.serial_rate_min	= 9600,	/* slower speeds gave troubles */
 	.serial_rate_max	= 38400,
 	.serial_data_bits	= 8,
 	.serial_stop_bits	= 1,
diff --git a/pcr/pcr1000.c b/pcr/pcr1000.c
index d19e0c704..118cf5831 100644
--- a/pcr/pcr1000.c
+++ b/pcr/pcr1000.c
@@ -57,7 +57,7 @@ const struct rig_caps pcr1000_caps = {
 	.dcd_type		= RIG_DCD_RIG,
 	.port_type		= RIG_PORT_SERIAL,
 
-	.serial_rate_min	= 300,
+	.serial_rate_min	= 9600, /* slower speeds gave troubles */
 	.serial_rate_max	= 38400,
 	.serial_data_bits	= 8,
 	.serial_stop_bits	= 1,