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Old 01-16-2010, 02:18 AM   #1
vitaly_v_ch
LQ Newbie
 
Registered: Jan 2010
Distribution: Slackware
Posts: 3

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Unhappy On my PCI serial port card I-440 work only two ports from 4


Label on card: "I-440 PCI 4S1P IO Card"

Code:
# lspci -v
...
03:05.0 Serial controller: NetMos Technology PCI 9865 Multi-I/O Controller (prog-if 02 [16550])
        Subsystem: Unknown device a000:1000 
        Flags: bus master, medium devsel, latency 64, IRQ 20
        I/O ports at e800 [size=8]
        Memory at febff000 (32-bit, non-prefetchable) [size=4K]
        Memory at febfe000 (32-bit, non-prefetchable) [size=4K]
        Capabilities: [48] Power Management version 2
        Kernel driver in use: mcs9865-serial

03:05.1 Serial controller: NetMos Technology PCI 9865 Multi-I/O Controller (prog-if 02 [16550])
        Subsystem: Unknown device a000:1000 
        Flags: bus master, medium devsel, latency 64, IRQ 21
        I/O ports at e400 [size=8]
        Memory at febfd000 (32-bit, non-prefetchable) [size=4K]
        Memory at febfc000 (32-bit, non-prefetchable) [size=4K]
        Capabilities: [48] Power Management version 2
        Kernel driver in use: mcs9865-serial

03:05.2 Communication controller: NetMos Technology PCI 9865 Multi-I/O Controller
        Subsystem: Unknown device a000:3012
        Flags: bus master, medium devsel, latency 64, IRQ 11
        I/O ports at e000 [size=8]
        I/O ports at d800 [size=8]
        I/O ports at d400 [size=8]
        I/O ports at d000 [size=8]
        Memory at febfb000 (32-bit, non-prefetchable) [size=4K]
        Capabilities: [48] Power Management version 2
...
#
Code:
#dmesg
...
mcs9865-serial 0000:03:05.0: PCI INT A -> GSI 20 (level, low) -> IRQ 20
0000:03:05.0: ttyD0 at I/O 0xe800 (irq = 20) is a mcs9865-serial
mcs9865-serial 0000:03:05.1: PCI INT B -> GSI 21 (level, low) -> IRQ 21
0000:03:05.1: ttyD1 at I/O 0xe400 (irq = 21) is a mcs9865-serial
...
#
Any ideas about two other port?

PS:
Code:
# uname -a
Linux cvv 2.6.27.31-smp #2 SMP Mon Aug 17 17:21:09 CDT 2009 i686 AMD Athlon(tm) 64 X2 Dual Core Processor 5000+ AuthenticAMD GNU/Linux
#

Last edited by vitaly_v_ch; 01-16-2010 at 03:46 PM.
 
  


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linux, pci, serial port, slackware


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