Subj : Re: Homebrew pi400
To   : The Natural Philosopher
From : Theo
Date : Mon Dec 16 2024 15:10:50

The Natural Philosopher <tnp@invalid.invalid> wrote:
> On 15/12/2024 21:11, Daniel wrote:
> > The Natural Philosopher <tnp@invalid.invalid> writes:
> >
> >> On 13/12/2024 23:55, Daniel wrote:
>
> >>> I'm going to wait for someone to hack a working solution then copy
> >>> it.
> >> Wait for the Pi 501...with it all one the board already
> >
> > I've heard rumor of it but is this confirmed?
>
> I was actually semi-joking.
>
> But the demand for a fast  Pi with nvme in a neat package is there all
> right.

Success:
https://www.jeffgeerling.com/blog/2024/pi-modder-successfully-adds-m2-slot-pi-500

Four capacitors (as I suspected) plus external 3.3V power, or adding extra
components for a 3.3V SMPSU:

Twitter thread from the guy who did it (using login wall bypass):
https://xcancel.com/ChoptecOfficial/status/1868350222671478982

Parts list from https://samuelhedrick.com/res/Pi500_M.2_mod_parts.csv

Digi-Key Part Number,Quantity 1,Customer Reference,Description
123A-58M01,1,J1,CONN M.2 (NGFF) SOCKET 67POS
AP3441SHE-7B,1,"U1",IC REG BUCK ADJ 3A UDFN20208
MLZ2012M2R2HT000,1,"L1",FIXED IND 2.2UH 600MA 160MOHM SM
ERJ-1GNF2201C,1,"R1",RES SMD 2.2K OHM 1% 1/20W 0201
ERJ-1GNF1002C,1,"R2",RES SMD 10K OHM 1% 1/20W 0201
ERJ-1GNF1003C,1,"R3",RES SMD 100K OHM 1% 1/20W 0201
GRM0335C1H220JA01D,1,"C1",CAP CER 22PF 50V C0G/NP0 0201
GRM188R60J476ME15D,1,"C2",CAP CER 47UF 6.3V X5R 0603
CL21A476MQYNNNE,1,"C3",CAP CER 47UF 6.3V X5R 0805
CL03A104KQ3NNNC,4,"C4 C5 C6 C7",CAP CER 0.1UF 6.3V X5R 0201

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