Arch Linux

yangmas

Member

Registered: 2016-01-22

Posts: 1

Archlinux default is 4 serial ports, how to change to 6 serial port?

After the installation, the system default only four serial ports, namely ttyS0 to ttyS3, namely com1, com2, com3, and com4, my machines now has six serial port, want to use com5, com6, on the Internet to find the way.
/boot/grub/menu.lst， kernel last  8250.nr_uarts=6 , but I change after the system will not come.

x33a

Forum Fellow

Registered: 2009-08-15

Posts: 4,587

Re: Archlinux default is 4 serial ports, how to change to 6 serial port?

Which bootloader are you using? If you are using grub2, here is the correct way to add parameters: https://wiki.archlinux.org/index.php/GR … _arguments