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Old 12-23-2009, 03:36 AM   #35
kennyc
The Dank Side of the Moon
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Posts: 35,922
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Join Date: Sep 2009
Location: Denver, CO
Device: Kindle2 & PW, Onyx Boox Go6
Quote:
Originally Posted by DaleDe View Post
Actually SD cards have 4 bit wide parallel interface, not serial although there is a slower serial pin for legacy devices.

USB 2.0 sounds like a lot at 480 but this is bits, not bytes so the theoretical maximum is 60 and that is hard to sustain. It is unlikely the eReader can sustain anything close to that speed. It practice both SD transfer and USB transfer is likely to not take very long anyway so it is a matter of convenience. If you have an SD card reader in your device it is probably quicker than finding the USB cable around here somewhere.

Dale
And if you have a usb cable already lying in wait then just plug it in, no unplugging a card, finding the right slot etc. etc. etc.
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