XPost: alt.comp.os.windows-11   
   From: robin_listas@es.invalid   
      
   On 2025-04-04 05:33, Paul wrote:   
   > On Thu, 4/3/2025 8:39 PM, Carlos E.R. wrote:   
   >> On 2025-04-03 23:47, Paul wrote:   
   >>> On Thu, 4/3/2025 4:01 PM, Carlos E.R. wrote:   
      
   ...   
      
   >> Sigh.   
   >>   
   >>   
   >> So you think this is a firmware issue, and nothing can be done on the Linux   
   side?   
   >>   
   >   
   > It would seem "the underground" is distributing various firmwares for   
   > this thing. Maybe the SPI bus really does have a firmware capability   
   > to "fix" the stupid thing ? The architecture document isn't exactly honest   
   > about this.   
   >   
   > jms578fwupdater.tgz   2,089,194 bytes   
   >   
   >       JMS578FwUpdate   4,130,828 bytes   
   >   
   > I guess that means some of the devices, have a 4MB SPI flash chip.   
   > and that's where the firmware is stored or something. THis could be   
   > a small 8 pin DIP near the JMB578 on the circuit board.   
   >   
   > I don't like to quote "sources" for things like this, unless   
   > there is some sort of traceability for them.   
   >   
   > The firmware may have been written by JMicron, but JMicron are   
   > not likely to be serving the file like a RealTek might.   
   >   
   > And since it's a flasher-firmware thing, the OS firmware support   
   > is not of the same delivery type (some devices accept dynamic   
   > firmware which is stored in device RAM). This would be a firmware   
   > that is stored in  an outboard chip from the JMS578. It fixes issue   
   > such as TRIM, UASP diaablement, proper support of power saving,   
   > and so on.   
   >   
   > The work you are doing, is similar to the work an enclosure   
   > engineer might do, before shipping this project. Each user   
   > apparently expected to "sweep the web", "look for bootleg firmware",   
   > "install" and "hope for the best". A science project.   
      
   That's out of my league :-(   
      
   --   
   Cheers, Carlos.   
      
   --- SoupGate-DOS v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)