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Old 09-18-2010, 05:14 AM   #20
Dibblah
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Dibblah is not intimidated by interfenestral monkeys.Dibblah is not intimidated by interfenestral monkeys.Dibblah is not intimidated by interfenestral monkeys.Dibblah is not intimidated by interfenestral monkeys.Dibblah is not intimidated by interfenestral monkeys.Dibblah is not intimidated by interfenestral monkeys.Dibblah is not intimidated by interfenestral monkeys.Dibblah is not intimidated by interfenestral monkeys.Dibblah is not intimidated by interfenestral monkeys.Dibblah is not intimidated by interfenestral monkeys.Dibblah is not intimidated by interfenestral monkeys.
 
Posts: 15
Karma: 26592
Join Date: Aug 2010
Device: Kindle 3
The kindle serial port is 1.8v. A resistive divider will work for the:
PC -> Kindle

But the other direction is far more complex - 1.8v -> 3.3v won't work with the standard mosfet level shifter.

Best bet is to get an adapter which does 1.8v natively - I made one with a FT232rl.

I can confirm that the kernel with initrd works fine to change the password. If the kindle appears "stuck", just hit the power switch for a short time (1s) and it wakes back up.

Cheers,

Allan.
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