[SOLVED] Determine if Linux will recognize serial ports.
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I want to purchase this board. But I need to make use of serial ports. So I need to know if Linux or some distros of Linux would recognized the serial ports onboard. The manufacturer only offers drivers for Windows. As the board is not open source, I don't know what is the UART Controller chip. However if I open the .inf file of Windows drivers it is said:
; Using Devcon: Type "devcon update iaiouart.inf ACPI\INT33C4" to install on FPGA platforms
; Using Devcon: Type "devcon update iaiouart.inf ACPI\INT33C5" to install on FPGA platforms
After that I think the controller chip must be ACPI\INT33C4.
My computers have serial ports, but it's a long time since I used them. I certainly never installed a driver: I think a driver is only needed for a plug-in serial card. Here's a good place to start: http://tldp.org/HOWTO/Serial-HOWTO.html
Hi. to tell the truth, according with my experience, when a computer has serial ports, it was always a matter of start an OS, and the serial ports were there. What worried me about this, is that at the download page there is a driver for Windows, so I assumed that from some reason this serial controller was hard to be recognized.
It is almost a 100% chance this board will support some form of serial. Some of these nuc cards (not this one) have a fancy dual 485/232 port in them. I doubt that would even be an issue. Serial has been around for so long and so much an embedded part of boards that we don't see issues anymore except forgetting how to set them up.
For the most part the serial uart chip is one of the original parts of an x86. It is not an add on part. If for some reason your distro doesn't support the uart chip then you should be able to get it added.
Again, Intel is of the most well supported boards I've known. They offer excellent documentation.
It LOOKS like it is supported by Linux (I found driver references for INT33C4 for setting a serial clock). It appears to be a "Intel Lynxpoint". But from the product images, it may be a bit tricky to use as there are no visible plugs for the serial ports on the board. It is only identified as "serial ports header" and is covered up by the reference number, so some additional circuitry may be needed to turn them into two serial ports (it doesn't look large enough for a full set of pins...).
Could be - the image I see in the document is too low a resolution to be sure. I can only find one "18" (serial ports header) referenced, implying both are in the same place, but no sockets, and perhaps the pins are covered up by the reference number.