From: alexfrunews@gmail.com   
      
   On Friday, February 17, 2023 at 6:48:44 AM UTC-8, muta...@gmail.com wrote:   
   > On Friday, February 17, 2023 at 1:15:07 PM UTC+8, Alexei A. Frounze wrote:   
   >   
   > > > However, INT 14H doesn't give me anything because   
   > > > I don't have a serial port.   
   > > >   
   > > > I asked the Seabios people if they could add a TCP/IP   
   > > > stack (they already have a USB stack) plus NDIS so that   
   > > > they could do USB tethering to an Android smartphone,   
   > > > to give me a virtual modem.   
   >   
   > > Do you need to connect a USB to RS232 converter to it   
   > > for the port to appear?   
   > No, you need an actual serial port, at least as far as I am   
   > aware.   
   >   
   > USB to RS232 are all non-standard (I've been told).   
   > > Or is their USB completely   
   > > separate? Anyway, if it's accessible, it should work   
   > > somehow?   
   > Yeah, if you write a driver for every device, that would   
   > work. And that's basically Windows. You buy an adaptor,   
   > and it comes with a driver, and it works.   
   >   
   > But for Seabios to do something useful, without a driver   
   > for every device, then some things are ruled out, including   
   > the non-standard wifi (so I've been told).   
   >   
   > But there are things that are reasonably standard, so you   
   > can write a single driver for them. TCP/IP stack. USB stack.   
   > And the NDIS protocol for USB tethering.   
   >   
   > Then you could use the Hayes AT standard (or close) as   
   > a virtual modem, and other standards like nntp, and you   
   > can start doing various useful things.   
   >   
   > BFN. Paul.   
      
   Is there functional audio? That would be another modem.   
      
   Alex   
      
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