This installation guide describes the procedures to install NetMos Technology Nm9735CV, Nm9745CV, Nm9835CV, Nm9845CV PCI serial ports in Linux platform.
Linux Platform
l Operating System : RedHat, SuSe
l Terminal Emulation AP : minicom
l Internet Dialer : Kppp
Find the available serial ports
Since Linux only support 4 serial ports (ttyS0, ttyS1, ttyS2, ttyS3) under the default condition. Most likely, ttyS0 & ttyS1 are supported by mother board's built-in serial controllers and ttyS2 & ttyS3 are free for additional I/O card.
Serial ports could be checked by the following commands.
setserial /dev/ttyS0 -a (COM-1)
setserial /dev/ttyS1 -a (COM-2)
setserial /dev/ttyS2 -a (COM-3)
setserial /dev/ttyS3 -a (COM-4)
If COM-1 is used by mouse, the response is similar to
/dev/ttyS0 : Device or resource busy
If the COM-1 does not attach any device, the response is similar to
/dev/ttyS0, Line 0, UART: 16550A, Port: 0x3f8, irq: 4
Baud_base: 115200, clos_delay: 50, divisor: 0
closing_wait: 3000, closing_wait2: infinite
Flags: spd_normal skip_test
In case ttyS2 (COM-3) is free, the response for command setserial /dev/ttyS2 -a is shown below.
/dev/ttyS2, Line 2, UART: unknown, Port: 0x3e8, irq: 4
Baud_base: 115200, clos_delay: 50, divisor: 0
closing_wait: 3000, closing_wait2: infinite
Flags: spd_normal skip_test
Find the PCI card resource ( I/O port address & IRQ) for the serial ports
Enter the command more /proc/pci
The response is similar to the following
Bus 0, Device 11, function 0:
Serial controller : Unknown vendor Unknown device (rev 01).
Vendor id=9710, Device id=9735
Device id=9745
Device id=9820
Device id=9825
Device id=9835
Device id=9845
Medium devsel. Fast back-to-back capable. IRQ 11
Board with Nm9735CV part
I/O at 0xc000 [0xc001] serial port 1
0xc008 [0xc009] serial port 2
Board with Nm9745CV part
I/O at 0xc000 [0xc001] serial port 1
0xc008 [0xc009] serial port 2
0xc010 [0xc011] device 1
0xc018 [0xc019] device 2
0xc020 [0xc021] device 3
0xc028 [0xc029] device 4
Board with Nm9820CV part
I/O at 0xc000 [0xc001] serial port 1
I/O at 0xc400 [0xc401] not used
I/O at 0xc800 [0xc801] not used
I/O at 0xd000 [0xd001] not used
I/O at 0xd400 [0xd401] not used
I/O at 0xd800 [0xd801] not used
Board with Nm9825CV part
I/O at 0xc000 [0xc001] serial port 1
Board with Nm9835CV part
I/O at 0xc000 [0xc001] serial port 1
I/O at 0xc400 [0xc401] serial port 2
I/O at 0xc800 [0xc801] not used
I/O at 0xd000 [0xd001] not used
I/O at 0xd400 [0xd401] not used
I/O at 0xd800 [0xd801] not used
Board with Nm9845CV part
I/O at 0xc000 [0xc001] serial port 1
I/O at 0xc400 [0xc401] serial port 2
I/O at 0xc800 [0xc801] device 1
I/O at 0xd000 [0xd001] device 2
I/O at 0xd400 [0xd401] device 3
I/O at 0xd800 [0xd801] device 4
Board with Nm9755CV part
I/O at 0xc000 [0xc001] not used
I/O at 0xc400 [0xc401] not used
I/O at 0xc800 [0xc801] device 1
I/O at 0xd000 [0xd001] device 2
I/O at 0xd400 [0xd401] device 3
I/O at 0xd800 [0xd801] device 4
From the /proc/pci file, it is possible to find the PCI card's I/O port address and IRQ. Especially, the NetMos parts always shows
Vendor id=9710, Device id=9735
Device id=9745
Device id=9820
Device id=9825
Device id=9835
Device id=9845
Configure the parameters for ttyS2 or ttyS3
Enter (if ttyS2 or ttyS3 are free)
setserial /dev/ttyS2 port 0xc000 UART 16550A
irq 11 Baud_base 115200
setserial /dev/ttyS3 port 0xc008 UART 16550A
irq 11 Baud_base 115200
Check the setting for ttyS2 or ttyS3
Type setserial /dev/ttyS2 -a
/dev/ttyS2, Line 2, UART: 16550A, Port: 0xc000, irq: 11
Baud_base: 115200, clos_delay: 50, divisor: 0
closing_wait: 3000, closing_wait2: infinite
Flags: spd_normal skip_test
The ttyS2 or ttyS3 are ready for application
Download Driver Pack
After your driver has been downloaded, follow these simple steps to install it.
Expand the archive file (if the download file is in zip or rar format).
If the expanded file has an .exe extension, double click it and follow the installation instructions.
Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.
Find the device and model you want to update in the device list.
Double-click on it to open the Properties dialog box.
From the Properties dialog box, select the Driver tab.
Click the Update Driver button, then follow the instructions.
Very important: You must reboot your system to ensure that any driver updates have taken effect.
For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.