On Fri, Mar 03, 2017 at 08:54:02AM +0100, Jan Stary wrote: > On Mar 03 08:46:11, h...@stare.cz wrote: > > This is current/amd64 (dmesg below). I got me this > > https://www.alza.cz/EN/axago-pcea-s2-d277216.htm > > to have two extra serial ports to connect to my ALIXes. > > It shows up in dmesg as > > > > puc0 at pci2 dev 0 function 0 "NetMos Nm9922" rev 0x00: ports: 1 com > > com4 at puc0 port 0 apic 2 int 16: st16650, 32 byte fifo > > puc1 at pci2 dev 0 function 1 "NetMos Nm9922" rev 0x00: ports: 1 com > > com5 at puc1 port 0 apic 2 int 17: st16650, 32 byte fifo > > Hm, puc(4) says > > The current design of this driver keeps any com ports on these > cards from easily being used as console. Of course, because boards with > those are PCI boards, they also suffer from dynamic address > assignment, which also means that they can't easily be used as console. > > What do people use as a serial port expansion then > to connect to the ALIX serial console? > > Jan
I use an old USB to serial adapter from HP which attaches as uftdi(4). There are some other compatible chips listed in usb(4). In my experience USB to serial adapters provide more flexibility and cause less headaches than expansion cards. Cheers, Bruno