On Mon, 4 Jan 1999, JOSE NG LEE wrote:
> Date: Mon, 04 Jan 1999 05:53:00 -0500
> From: JOSE NG LEE <[EMAIL PROTECTED]>
> To: [EMAIL PROTECTED]
> Subject: SERIAL PORTS PROBLEM
>
> 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]
>
Jose,
Check your /dev directory and make sure that /dev/cua4 and
/dev/cua5 exist. if not, than read the man pages on mknod and MAKEDEV.
ie.; man mknod, and man MAKEDEV. In all likelihood these two device files
do not exist on a stock system.
JC
KB6FST
