INTL 3:770/1 3:770/3
REPLYADDR tnp@invalid.invalid
REPLYTO 3:770/3.0 UUCP
MSGID:  01cfc677
REPLY: <87wmg32l63.fsf@rpi3> 9e26df4b
PID: SoupGate-Win32 v1.05
On 13/12/2024 23:55, Daniel wrote:
> Theo  writes:
>
>> Theo  wrote:
>>> The Natural Philosopher  wrote:
>>>> On 11/12/2024 16:46, Daniel wrote:
>>>>> Andy Burns  writes:
>>>>>
>>>>>> Daniel wrote:
>>>>>>
>>>>>>> Jeff did a teardown on his second channel and soldered a m.2 socket
>>>>>>> hoping it was properly designed. He found the power lines weren't
traced
>>>>>>> in so no power.
>>>>>>
>>>>>> There were some nearby component missing too, maybe the Rev1 board has
>>>>>> bugs, and they need a Rev2 (or whatever) but his soldering job looked
>>>>>> relatively clumsy (bridged pins etc).
>>>>>
>>>>> Yeah, it was pretty bad, at least he was honest about it.
>>>>>
>>>>> I am sure things were missing to keep the circuitry disabled and I'm no
>>>>> engineer.
>>>>
>>>> Why would you put support chips on if you were not going to install an
>>>> M.2 socket anyway?
>>>>
>>>> I think he called it right in that this is a bare bones model, and more
>>>> upmarket versions will emerge in due course.
>>>
>>> Looking at:
>>> https://www.jeffgeerling.com/sites/default/files/images/pi-5
0-m2-socket-install.jpg
>>> https://www.jeffgeerling.com/sites/default/files/images/pi-5
0-pcb-bottom.jpeg
>>>
>>> I think there's a MOSFET and some decoupling capacitors missing (to the
left
>>> of the middle larger hole), so the power isn't connected.  There may be a
>>> pair of missing capacitors in series with the PCIe lane, but I can't
>>> immediately see the footprints for those.
>>
>> Ah, I see them now.  To the right of the spot on the silver chip are four
>> tiny spots for passives, oriented at compass bearing 135 degrees.  I can't
>> tell from the photo or video whether they're populated or not, but those
>> will be the series capacitors.
>>
>> Theo
>
> 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

--
Canada is all right really, though not for the whole weekend.

"Saki"

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