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   MSGID: <34s*FvN1z@news.chiark.greenend.org.uk> 8b59c272   
   REPLY:  b07b4cee   
   PID: SoupGate-Win32 v1.05   
   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-500-m   
   -socket-install.jpg   
   https://www.jeffgeerling.com/sites/default/files/images/pi-500-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.   
      
   Theo   
      
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