i have centos 4.2. I have install a PCI card having serial port.
when the os is booted it detects the new hardware ( serial port) .a device is also created /dev/ttyS0. the port works very goog on the same pc in windows XP. but when i connect any serial device to that port in linux it does not work.
in /proc/ioports
there is entry for that port as
0000-001f : dma1
0020-003f : pic1
0040-005f : timer
0060-006f : keyboard
0070-007f : rtc
0080-008f : dma page reg
00a0-00bf : pic2
00c0-00df : dma2
00f0-00ff : fpu
0170-0177 : ide1
01f0-01f7 : ide0
0376-0376 : ide1
03c0-03df : vga+
03f6-03f6 : ide0
03f8-03ff : serial(auto) ---- > displayed here
0cf8-0cff : PCI conf1
c000-cfff : PCI Bus #01
c800-c8ff : Realtek Semiconductor Co., Ltd. RTL-8139
c800-c8ff : 8139too
d800-d81f : PCI device 8086:24d3 (Intel Corp.)
dc00-dc1f : PCI device 8086:24d2 (Intel Corp.)
dc00-dc1f : usb-uhci
e000-e01f : PCI device 8086:24d4 (Intel Corp.)
e000-e01f : usb-uhci
e400-e41f : PCI device 8086:24d7 (Intel Corp.)
e400-e41f : usb-uhci
e800-e81f : PCI device 8086:24de (Intel Corp.)
e800-e81f : usb-uhci
ec00-ec07 : PCI device 8086:2572 (Intel Corp.)
ffa0-ffaf : PCI device 8086:24db (Intel Corp.)
please help me out is there any extra configuration to be done.
<http://tldp.org/HOWTO/Remote-Serial-Console-HOWTO/>
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