diff --git a/README.md b/README.md
index b34deaecf..49567662b 100644
--- a/README.md
+++ b/README.md
@@ -94,7 +94,7 @@ In the case you wish to use Eclipse rather than IntelliJ IDEA, the process is mo
 
 [api]: https://github.com/MightyPirates/OpenComputers/tree/master-MC1.7.10/src/main/java/li/cil/oc/api
 [code conventions]: https://ocdoc.cil.li/lua_conventions
-[dev-jar]: https://oc.cil.li/index.php?/page/latest.php?repo=OpenComputers-dev-MC1.7.10&type=dev
+[dev-jar]: https://ci.cil.li/view/OpenComputers/job/OpenComputers-MC1.7.10/
 [forums]: https://oc.cil.li/
 [irc]: http://webchat.esper.net/?channels=#oc
 [issues]: https://github.com/MightyPirates/OpenComputers/issues?state=open
@@ -110,4 +110,4 @@ In the case you wish to use Eclipse rather than IntelliJ IDEA, the process is mo
 [wiki]: https://ocdoc.cil.li/
 [integration]: https://github.com/MightyPirates/OpenComputers/tree/master-MC1.7.10/src/main/scala/li/cil/oc/integration
 [ingame manual]: https://github.com/MightyPirates/OpenComputers/tree/master-MC1.7.10/src/main/resources/assets/opencomputers/doc
-[idea_1.7.10]: https://ocdoc.cil.li/tutorial:debug_1.7.10
\ No newline at end of file
+[idea_1.7.10]: https://ocdoc.cil.li/tutorial:debug_1.7.10
diff --git a/src/main/resources/application.conf b/src/main/resources/application.conf
index 15fd3e4b3..f07c6c8f4 100644
--- a/src/main/resources/application.conf
+++ b/src/main/resources/application.conf
@@ -268,6 +268,15 @@ opencomputers {
       # IN PARTICULAR, DO NOT REPORT ISSUES AFTER MESSING WITH THIS!
       maxTotalRam: 67108864
     }
+
+    # The maximum depth a machine will queue signals before dropping them
+    # A machine state should be pulling signals via computer.pullSignal
+    # As the machine receives signals they are queued for pulling, and
+    # this maximum defines the max queue size. All signals recieved when
+    # the queue is full are discarded. Note that clipboard text creates
+    # a signal for each line of text. Thus client are limited to pasting
+    # text of this many lines. The default (and minimum) is 256
+    maxSignalQueueSize: 256
   }
 
   # Robot related settings, what they may do and general balancing.
diff --git a/src/main/resources/assets/opencomputers/loot/network/data/lib/network.lua b/src/main/resources/assets/opencomputers/loot/network/data/lib/network.lua
index 1e94e5b78..65de0b0fb 100644
--- a/src/main/resources/assets/opencomputers/loot/network/data/lib/network.lua
+++ b/src/main/resources/assets/opencomputers/loot/network/data/lib/network.lua
@@ -159,7 +159,7 @@ function internal.tcp.handle(origin, data)
         end
     elseif data:sub(2,2) == "A" then
         local remote = data:byte(3)*256 + data:byte(4)
-        local ch = data:byte(3)*256 + data:byte(4)
+        local ch = data:byte(5)*256 + data:byte(6)
         if internal.tcp.channels[ch] and internal.tcp.channels[ch].waiting then
             internal.tcp.channels[ch].waiting = nil
             internal.tcp.channels[ch].open = true
diff --git a/src/main/scala/li/cil/oc/Settings.scala b/src/main/scala/li/cil/oc/Settings.scala
index 8139981bb..4756b458e 100644
--- a/src/main/scala/li/cil/oc/Settings.scala
+++ b/src/main/scala/li/cil/oc/Settings.scala
@@ -339,7 +339,6 @@ class Settings(val config: Config) {
   val maxScreenWidth = config.getInt("misc.maxScreenWidth") max 1
   val maxScreenHeight = config.getInt("misc.maxScreenHeight") max 1
   val inputUsername = config.getBoolean("misc.inputUsername")
-  val maxClipboard = config.getInt("misc.maxClipboard") max 0
   val maxNetworkPacketSize = config.getInt("misc.maxNetworkPacketSize") max 0
   // Need at least 4 for nanomachine protocol. Because I can!
   val maxNetworkPacketParts = config.getInt("misc.maxNetworkPacketParts") max 4
@@ -466,6 +465,9 @@ class Settings(val config: Config) {
 
   val registerLuaJArchitecture = config.getBoolean("debug.registerLuaJArchitecture")
   val disableLocaleChanging = config.getBoolean("debug.disableLocaleChanging")
+
+  // >= 1.7.4
+  val maxSignalQueueSize: Int = (if (config.hasPath("computer.maxSignalQueueSize")) config.getInt("computer.maxSignalQueueSize") else 256) min 256
 }
 
 object Settings {
diff --git a/src/main/scala/li/cil/oc/server/machine/Machine.scala b/src/main/scala/li/cil/oc/server/machine/Machine.scala
index b0c718367..fc353a92d 100644
--- a/src/main/scala/li/cil/oc/server/machine/Machine.scala
+++ b/src/main/scala/li/cil/oc/server/machine/Machine.scala
@@ -104,6 +104,8 @@ class Machine(val host: MachineHost) extends AbstractManagedEnvironment with mac
 
   private var cost = Settings.get.computerCost * Settings.get.tickFrequency
 
+  private val maxSignalQueueSize = Settings.get.maxSignalQueueSize
+
   // ----------------------------------------------------------------------- //
 
   override def onHostChanged(): Unit = {
@@ -313,7 +315,7 @@ class Machine(val host: MachineHost) extends AbstractManagedEnvironment with mac
     state.synchronized(state.top match {
       case Machine.State.Stopped | Machine.State.Stopping => return false
       case _ => signals.synchronized {
-        if (signals.size >= 256) return false
+        if (signals.size >= maxSignalQueueSize) return false
         else if (args == null) {
           signals.enqueue(new Machine.Signal(name, Array.empty))
         }