On 2017-03-03, Sterling Archer <deb...@gmail.com> wrote: > On Fri, Mar 3, 2017 at 8:54 AM, Jan Stary <h...@stare.cz> 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 recently bought a cheap USB com port adapter which works fine. > It shows up as ucom0 in dmesg, and uses the /dev/ttyU0 device. > > I ordered it here https://www.apu-board.de/produkte/digitus-da-70156.html > in case you're interested. >
Startech ICUSB232FTN "USB to null modem" are nice but rather expensive. They're a single cable with USB at one end, proper FT232R and LEDs and a DE9F DCE connector at the other, so you can plug straight into a standard PC serial port.
