diff --git a/html_orig/js/app.js b/html_orig/js/app.js
index e664544..a3f59d2 100644
--- a/html_orig/js/app.js
+++ b/html_orig/js/app.js
@@ -2410,9 +2410,9 @@ var TermUpl = (function() {
 		send_delay_ms = qs('#fu_delay').value;
 
 		// sanitize - 0 causes overflows
-		if (send_delay_ms <= 0) {
-			send_delay_ms = 1;
-			qs('#fu_delay').value = 1;
+		if (send_delay_ms < 0) {
+			send_delay_ms = 0;
+			qs('#fu_delay').value = send_delay_ms;
 		}
 
 		nl_str = {
@@ -2451,7 +2451,6 @@ var TermUpl = (function() {
 			inline_pos += MAX_LINE_LEN;
 		}
 
-		console.log("-> " + chunk);
 		if (!Input.sendString(chunk)) {
 			fuStatus("FAILED!");
 			return;
@@ -2470,14 +2469,15 @@ var TermUpl = (function() {
 
 	function closeWhenReady() {
 		if (!Conn.canSend()) {
+			// stuck in XOFF still, wait to process...
 			fuStatus("Waiting for Tx buffer...");
-			setTimeout(closeWhenReady, 250);
+			setTimeout(closeWhenReady, 100);
 		} else {
 			fuStatus("Done.");
 			// delay to show it
 			setTimeout(function() {
 				fuClose();
-			}, 250);
+			}, 100);
 		}
 	}
 
diff --git a/html_orig/jssrc/term_upload.js b/html_orig/jssrc/term_upload.js
index aed0a46..2c92110 100644
--- a/html_orig/jssrc/term_upload.js
+++ b/html_orig/jssrc/term_upload.js
@@ -43,9 +43,9 @@ var TermUpl = (function() {
 		send_delay_ms = qs('#fu_delay').value;
 
 		// sanitize - 0 causes overflows
-		if (send_delay_ms <= 0) {
-			send_delay_ms = 1;
-			qs('#fu_delay').value = 1;
+		if (send_delay_ms < 0) {
+			send_delay_ms = 0;
+			qs('#fu_delay').value = send_delay_ms;
 		}
 
 		nl_str = {
@@ -84,7 +84,6 @@ var TermUpl = (function() {
 			inline_pos += MAX_LINE_LEN;
 		}
 
-		console.log("-> " + chunk);
 		if (!Input.sendString(chunk)) {
 			fuStatus("FAILED!");
 			return;
@@ -103,14 +102,15 @@ var TermUpl = (function() {
 
 	function closeWhenReady() {
 		if (!Conn.canSend()) {
+			// stuck in XOFF still, wait to process...
 			fuStatus("Waiting for Tx buffer...");
-			setTimeout(closeWhenReady, 250);
+			setTimeout(closeWhenReady, 100);
 		} else {
 			fuStatus("Done.");
 			// delay to show it
 			setTimeout(function() {
 				fuClose();
-			}, 250);
+			}, 100);
 		}
 	}
 
diff --git a/html_orig/pages/term.php b/html_orig/pages/term.php
index 15af52b..3f64b60 100644
--- a/html_orig/pages/term.php
+++ b/html_orig/pages/term.php
@@ -27,7 +27,7 @@
 			</p>
 			<p>
 				<label for="fu_delay">Line Delay (ms):</label>
-				<input id="fu_delay" type="number" value=1 min=1 max=500>
+				<input id="fu_delay" type="number" value=1 min=0>
 			</p>
 		</div>
 		<div class="fu-buttons">
diff --git a/user/uart_buffer.c b/user/uart_buffer.c
index 4cfda64..a32f8d8 100644
--- a/user/uart_buffer.c
+++ b/user/uart_buffer.c
@@ -8,8 +8,8 @@
 #include <esp8266.h>
 #include <uart_register.h>
 
-#define UART_TX_BUFFER_SIZE 1024  //Ring buffer length of tx buffer
-#define UART_RX_BUFFER_SIZE 1024 //Ring buffer length of rx buffer
+#define UART_TX_BUFFER_SIZE 512  //Ring buffer length of tx buffer
+#define UART_RX_BUFFER_SIZE 512 //Ring buffer length of rx buffer
 
 struct UartBuffer {
 	uint32 UartBuffSize;