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authorFrancis Rowe <info@gluglug.org.uk>2015-02-15 08:43:53 +0000
committerFrancis Rowe <info@gluglug.org.uk>2015-02-15 08:43:53 +0000
commit539475f13429cbbc3452d5fbd4baed69089728b7 (patch)
tree1ee151a07bf5fc52044d39c0c19d692882bf6cfb /docs/install/bbb_setup.html
parentb3942467fea2fe80630bc9096ae7f4d089f81a43 (diff)
downloadlibrebootfr-539475f13429cbbc3452d5fbd4baed69089728b7.tar.gz
librebootfr-539475f13429cbbc3452d5fbd4baed69089728b7.zip
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@@ -77,30 +77,36 @@
<h1>Setting up the 3.3V DC PSU</h1>
<p>
+ This section is probably useless to you. For example, you might be using an ATX PSU instead. If so, set that up
+ for 3.3V power and ignore this section.
+ </p>
+ <p>
With my PSU, first I had wire up the mains power cable. Any clover or kettle lead will do. Cut the end off (not the one
that goes in the wall, but the kettle/clover connector).
Strip the protection away by a decent length, then strip the wires inside so that a decent amount of
copper is shown. Then wire up earth/live/neutral. This will vary according to what country you live in
and/or the colour codes that your cable uses inside. <b>Make sure to get this right, as a botched job
- could result in extreme damage to you and your surroundings. Here's what mine looks like after wiring up
- the power cable: <a href="images/x200/psu_power.jpg">images/x200/psu_power.jpg</a> - also, make sure
- that the plug (for the wall) has the correct fuse. In my case I had a 240V wall socket, and the device
+ could result in extreme damage to you and your surroundings. Here's what mine looks like:<br/>
+ <img src="images/x200/psu_power.jpg" alt="" />
+ <p>
+ Make sure that the plug (for the wall) has the correct fuse. In my case I had a 240V wall socket, and the device
says that it accepts 1.5A at that voltage, so I used the smallest fuse available (3A). For 110-120V the device
says it needs 2.8A.</b> Also, if yours looks like in the image linked above, make sure to wrap electrical tape (lots)
- around it for safety. (otherwise, don't touch the terminals while the PSU is plugged in).
+ around the terminals, for safety. (otherwise, don't touch the terminals while the PSU is plugged in).
</p>
<p>
Now take a red and black 20cm female-female jumper lead, and cut one of the ends off. Strip away the bare copper by about 1 or
- 1.5cm so you get this: <a href="images/x200/stripped_jumper_lead.jpg">images/x200/stripped_jumper_lead.jpg</a>.
+ 1.5cm so you get this:<br/>
+ <img src="images/x200/stripped_jumper_lead.jpg" alt="" />.
</p>
<p>
- Black goes on 0V, red goes on +V. In my case, I removed those screws from my PSU like this:
- <a href="images/x200/psu_screws_removed.jpg">images/x200/psu_screws_removed.jpg</a>. Then,
+ Black goes on 0V, red goes on +V. In my case, I removed those screws from my PSU like this:<br/>
+ <img src="images/x200/psu_screws_removed.jpg" alt="" />.
</p>
<p>
Then I twisted the exposed copper on the jumper leads (so that they don't fray), and wrapped each to one of the
- screws each, around it near the head. I then screwed them in:
- <a href="images/x200/psu_jumper_leads.jpg">images/x200/psu_jumper_leads.jpg</a>.
+ screws each, around it near the head. I then screwed them in:<br/>
+ <img src="images/x200/psu_jumper_leads.jpg" alt="" />
</p>
<p>
If you are using a different PSU, then the steps will change from those above. Anyway, once you are satisfied,
@@ -120,8 +126,8 @@
<p>
You can also use a serial FTDI debug board, with GNU Screen (example):<br/>
# <b>screen /dev/ttyUSB0 115200</b><br/>
- <a href="images/x200/ftdi.jpg">images/x200/ftdi.jpg</a> and
- <a href="images/x200/ftdi_port.jpg">images/x200/ftdi_port.jpg</a>
+ <img src="images/x200/ftdi.jpg" alt="" />
+ <img src="images/x200/ftdi_port.jpg" alt="" /><br/>
show an FTDI debug board in use. With screen you can then login as root, like you would using SSH.<br/>
Using this, you can also see text output (from kernel, etc) when booting the machine.
</p>
@@ -310,9 +316,9 @@ Note: flashrom can never write if the flash chip isn't found automatically.
</p>
<p>
- <a href="images/x200/5252_bbb0.jpg">images/x200/5252_bbb0.jpg</a> and
- <a href="images/x200/5252_bbb1.jpg">images/x200/5252_bbb1.jpg</a> shows a properly wired up BBB with Pomona
- 5252 before being connected to the flash chip on the X200.
+ You should now have something that looks like this:<br/>
+ <img src="images/x200/5252_bbb0.jpg" alt="" />
+ <img src="images/x200/5252_bbb1.jpg" alt="" />
</p>
<p>