XPost: alt.comp.os.windows-11   
   From: robin_listas@es.invalid   
      
   On 2025-04-04 11:36, Carlos E.R. wrote:   
   > 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 :-(   
      
   I also asked on the openSUSE mail list, and a chap named Bengt said:   
      
   +++·····················   
   I have no experience with this device but it seems like others are   
   having problems as well with idVendor=152d, idProduct=0578 (JMicron   
   Technology JMS578 SATA 6Gb/s)   
      
   https://linux-hardware.org/?id=usb:152d-0578   
   ·····················++-	   
   >   
      
      
   --   
   Cheers, Carlos.   
      
   --- SoupGate-DOS v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)