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

vitaly_v_ch · 01-16-2010, 01:18 AM

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
#