On Sun, 3 Jan 1999, JOSE NG LEE wrote:
> I am using slackware 3.5 installation with kernel 2.0.36 and have
> 6 serial ports available. Two serial ports are part of the motherboard
> plus an STB 4-COM serial card that makes a total of 6 six ports. Before
> upgrading to linux operating system, I use OK all 6 serial ports under
> DOS/WINDOWS with the BPQ switch. Each individual serial port is
> initialized as below in the rc.local file.
>
> /sbin/setserial /dev/cua0 uart 16550 port 0x3F8 irq 4
> /sbin/setserial /dev/cua1 uart 16550 port 0x2F8 irq 3
> /sbin/setserial /dev/cua2 uart 16550 port 0x3E8 irq 10
> /sbin/setserial /dev/cua3 uart 16550 port 0x2E8 irq 5
> /sbin/setserial /dev/cua4 uart 16550 port 0x1F8 irq 11
> /sbin/setserial /dev/cua5 uart 16550 port 0x1E8 irq 12
>
> I look into /proc/ioports and see OK the port address taken by
> the serial ports.
>
> I am having problem using the last two ports cua4 (COM5) and
> cua5 (COM6). Have tried to install a TNC with kiss attach but
> the last two ports does not respond. The other first four ports
> works fine with the same TNC with kiss attach. When my linux
> system is initialized, I can see on the screen that recognizes
> tty00, tty01, tty02, tty03 but the last two ports does not show up.
>
> Can someone give me some hints to make the last two ports work.
>
> THANK YOU
>
> JOSE NG / HP2CWB
> e-mail: [EMAIL PROTECTED]
Hola Jose,
I am also using the same card, and the last 2 ports must use different
cua/ttyS in Linux. In addition, I have them set to use only one IRQ, and it
works fine in linux. Here is a cut & paste from my rc.serial.
--------snip-----
# MANUAL CONFIGURATION
#
# If you want to do manual configuration of one or more of your
# serial ports, uncomment and modify the relevant lines.
#
###############################################################
# These are the standard COM1 through COM4 devices
#
# ${SETSERIAL} /dev/cua0 uart 16450 port 0x3F8 irq 4
# ${SETSERIAL} /dev/cua1 uart 16450 port 0x2F8 irq 3
${SETSERIAL} /dev/cua2 uart 16550A port 0x3E8 irq 5 spd_hi
${SETSERIAL} /dev/cua3 uart 16550A port 0x2E8 irq 5
#
# These are two spare devices you can use to customize for
# some board which is not supported above....
${SETSERIAL} /dev/cua14 uart 16550A port 0x1E8 irq 5
${SETSERIAL} /dev/cua15 uart 16550A port 0x1A8 irq 5
#
Happy New Year!
--
73, Ronnie.
[EMAIL PROTECTED]
