I have fedora 13 on a computer with one serial port. I when in to the grub.conf and set it up.

# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE: You have a /boot partition. This means that
# all kernel and initrd paths are relative to /boot/, eg.
# root (hd0,0)
# kernel /vmlinuz-version ro root=/dev/mapper/vg_server-lv_root
# initrd /initrd-[generic-]version.img
#boot=/dev/sda
default=0
timeout=15
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
serial --unit=1 --speed=19200
terminal --timeout=8 console serial
title Fedora (2.6.34.6-54.fc13.i686.PAE)
root (hd0,0)
kernel /vmlinuz-2.6.34.6-54.fc13.i686.PAE ro root=/dev/mapper/vg_server-lv_root rd_LVM_LV=vg_server/lv_root rd_LVM_LV=vg_server/lv_swap rd_NO_LUKS rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYTABLE=us nomodeset rhgb quiet console=tty0 console=ttyS1,9600n8
initrd /initramfs-2.6.34.6-54.fc13.i686.PAE.img




dmesg | grep tty

Kernel command line: ro root=/dev/mapper/vg_server-lv_root rd_LVM_LV=vg_server/lv_root rd_LVM_LV=vg_server/lv_swap rd_NO_LUKS rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYTABLE=us nomodeset rhgb quiet console=tty0 console=ttyS0,9600n8
console [tty0] enabled
console [ttyS0] enabled
serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
00:09: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
00:0a: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A



I set it up on a vm and it works like a charm but on my actual computer its does not work. Can anyone hlep??