Re: [coreboot] Power supply and X220

[Persmule]

Hi Matt, Mail to al...@fripost.org and CC to coreboot@coreboot.org, please, otherwise Albin may not be able to receive our mails, as he seems not subscribed into the mailing list. Best regards, Persmule 在 2017年03月22日 13:07, Matt DeVillier 写道: On Tue, Mar 21, 2017 at 8:56 AM, Felix Held <felix-coreb...@felixheld.de> wrote: For a x220 the 3,3V regulator on the BBB likely doesn't supply enough current, since the Thinkpads usually don't have a diode in the power supply line of the SPI flash and so you power part of the board when you apply the 3,3V to the flash chip I just flashed an x220 for someone a week or so back, had no issues with using just the 3.3v from the BBB (which was powered via 5v DC input).  I did have to connect WP/HOLD (pins 3/7) to 3.3v as well though, IIRC.

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