If it's an internal modem you may/will have to disable COM2 in the BIOS

At 17:13 24/07/2002 +0800, axacheng wrote:
>Hello List :
>
>i have two modems that connect to two serial port (ttyS0,ttyS1)
>
>when i type "dmesg|grep tty" it show :
>ttyS00 at 0x03f8 (irq = 4) is a 
>16550A                                         3
>ttyS01 at 0x02f8 (irq = 3) is a 16550A
>
>its seem ttyS0 and ttyS1 was probed by kernel and DID NOT conflict with 
>other device!
>
>when i type "cat /dev/ttyS0 " it have some data respond
>
>however, i type "cat /dev/ttyS1" it DID NOT ANY respond from ttyS1!!!!
>
>i checked /proc/tty/driver/serial ,got some information as follow:
>0: uart:16550A port:3F8 irq:4 baud:9600 tx:58092 rx:8328903 DSR|CD
>1: uart:16550A port:2F8 irq:3 baud:9600 tx:0 rx:0
>
>so, i am very sure ttyS1 is NOT working!
>
>i have been surveyed a perfect 
>URL:http://www.tldp.org/HOWTO/Modem-HOWTO-17.html
>
>but is not refer to this question.........@_@
>
>Anyone got ideas as to the nature/solution of this problem?
>
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>
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