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commit 16049cb82c0bc7fab2e7d9a35dd58c427f50cc36
parent 58386a3231a48821ecdf7110b852f89f13059856
Author: Francis Rowe <>
Date:   Sat, 16 May 2015 13:41:07 +0100

docs/install/bbb_setup.html: Warn user not to use the 5V ATX pins

docs/install/bbb_setup.html | 6+++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/docs/install/bbb_setup.html b/docs/install/bbb_setup.html @@ -103,7 +103,11 @@ power on the PSU. </p> <p> - On newer 24-pin ATX PSUs, there is an additional 3.3V (orange) on pin 12. + <b>DO **NOT** use pin 4, 6, do **NOT** use pin 19 or 20 (on a 20-pin ATX PSU), and + DO **NOT** use pin 21, 22 or 23 (on a 24-pin ATX PSU). These are 5V, and they **WILL** + kill your flash chip. ***NEVER*** supply more than 3.3V to your flash chip. + (that is, if it's a 3.3V flash chip. 5V and 1.8V SPI flash chips do exist, but they are rare. always + check what voltage your chip takes. most take 3.3V)</b> </p> <p> You only need one 3.3V supply and one ground for the flash chip, after grounding PS_ON#.