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authorFrancis Rowe <info@gluglug.org.uk>2015-05-16 08:30:04 (EDT)
committer Francis Rowe <info@gluglug.org.uk>2015-05-16 08:30:04 (EDT)
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External flashing guides: don't refer to red.
Colour blindness is real, and quite common. What's worse, 3.3V on an ATX PSU is an orange wire, not a red wire. Someone looking at "red" in the documentation might not think that you mean 3.3V live/hot (red is the standard colour), but instead they might connect the red wire from the ATX PSU which is 5V; this will destroy the flash chip. Also, red and orange look the same to most colour blind people.
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diff --git a/docs/install/x200_external.html b/docs/install/x200_external.html
index e79ca84..1a6eb44 100644
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@@ -92,7 +92,7 @@ POMONA 5252 (correlate with the BBB guide)
NC - - NC
NC - - NC
NC - - NC
- 18 - - 3.3V PSU RED
+ 18 - - 3.3V (PSU)
22 - - NC - this is pin 1 on the flash chip
=== back (palmrest) on your X200 ===
<i>This is how you will connect. Numbers refer to pin numbers on the BBB, on the plugs near the DC jack.</i>
@@ -108,7 +108,7 @@ POMONA 5250 (correlate with the BBB guide)
18 - - 1
22 - - NC
NC - - 21
- 3.3V PSU RED - - 17 - this is pin 1 on the flash chip. in front of it is the screen.
+ 3.3V (PSU) - - 17 - this is pin 1 on the flash chip. in front of it is the screen.
=== right side of the X200 (where the audio jacks are) ===
<i>This is how you will connect. Numbers refer to pin numbers on the BBB, on the plugs near the DC jack.</i>
Here is a photo of the SOIC-8 flash chip. The pins are labelled:<br/>