user3128: UPDATE: The issue turned out to be with my work laptop. Our IT department has them configured in such a way that the assignment of serial ports is different somehow. When I plugged in on my personal Macbook Pro it all worked perfectly.

I just got my first Arduino. Its an UNO R3. I'm running OS X 10.8.5 (Mountain Lion) and the Arduino IDE 1.0.5
Under Tools>Board I have Arduino Uno selected
Under Tools>Serial Port my options are:

/dev/tty.Bluetooth-Serial-1
/dev/cu.Bluetooth-Serial-1
/dev/tty.Bluetooth-Serial-2
/dev/cu.Bluetooth-Serial-2
/dev/tty.Bluetooth-Modem
/dev/cu.Bluetooth-Modem
/dev/tty.Bluetooth-PDA-Sync
/dev/cu.Bluetooth-PDA-Sync

I've tried all of them, but when I try to upload a sketch it fails. Most give the following error:
avrdude: stk500_recv(): programmer is not responding

The two "modem" options return this message:
Serial port '/dev/tty.Bluetooth-Modem' already in use. Try quitting any programs that may be using it.

I'm at a loss. None of these serial ports seems correct but there aren't any other options.
Also under Tools>Programmer which option should I be using?

user2967: Have you hooked up your Arduino prior to pulling down the tools>Serial Port menu? I only see the port for my Arduino listed when it's actually connected and running. (And it's never one of the bluetooth ports.) I don't have my Arduino with me at the moment so I can't tell you exactly what it is.
Also note that on my MBP (running 10.9.4) I have to be sure to plug the USB cable into the CORRECT USB port. The other port maps to a different port in the list of serial ports.

user3128: The issue turned out to be with my work laptop. Our IT department has them configured in such a way that the assignment of serial ports is different somehow. When I plugged in on my personal Macbook Pro it all worked perfectly.

3128: <p><strong>UPDATE:</strong> The issue turned out to be with my work laptop. Our IT department has them configured in such a way that the assignment of serial ports is different somehow. When I plugged in on my personal Macbook Pro it all worked perfectly.</p>

<hr>

<p>I just got my first Arduino. Its an UNO R3. I'm running OS X 10.8.5 (Mountain Lion) and the Arduino IDE 1.0.5</p>

<p>Under <strong>Tools>Board</strong> I have Arduino Uno selected</p>

<p>Under <strong>Tools>Serial</strong> Port my options are:</p>

<ul>
<li>/dev/tty.Bluetooth-Serial-1</li>
<li>/dev/cu.Bluetooth-Serial-1</li>
<li>/dev/tty.Bluetooth-Serial-2</li>
<li>/dev/cu.Bluetooth-Serial-2</li>
<li>/dev/tty.Bluetooth-Modem</li>
<li>/dev/cu.Bluetooth-Modem</li>
<li>/dev/tty.Bluetooth-PDA-Sync</li>
<li>/dev/cu.Bluetooth-PDA-Sync</li>
</ul>

<p>I've tried all of them, but when I try to upload a sketch it fails. Most give the following error:</p>

<pre><code>avrdude: stk500_recv(): programmer is not responding
</code></pre>

<p>The two "modem" options return this message:</p>

<pre><code>Serial port '/dev/tty.Bluetooth-Modem' already in use. Try quitting any programs that may be using it.
</code></pre>

<p>I'm at a loss. None of these serial ports seems correct but there aren't any other options.</p>

<p>Also under <strong>Tools>Programmer</strong> which option should I be using?</p>
 2967: <p>Have you hooked up your Arduino prior to pulling down the tools>Serial Port menu? I only see the port for my Arduino listed when it's actually connected and running. (And it's never one of the bluetooth ports.) I don't have my Arduino with me at the moment so I can't tell you exactly what it is.</p>

<p>Also note that on my MBP (running 10.9.4) I have to be sure to plug the USB cable into the CORRECT USB port. The other port maps to a different port in the list of serial ports.</p>
 3128: <p>The issue turned out to be with my work laptop. Our IT department has them configured in such a way that the assignment of serial ports is different somehow. When I plugged in on my personal Macbook Pro it all worked perfectly.</p>
