Cannot get RS485 to work

[mgp]

I have a NI PCI-485/2 w/ 2 RS 485 outputs.

It wasn't tested immediatly after the initial install into the PC so I assume either the board is defective or installed improperly.  The board was installed onto a PC W/Windoze 2000 by a MIS guy.

I placed a known good 485 peripheral onto COM 3 and COM 4 and cannot communicate.  The Windoze Device manager is showing a Memory Range conflict for both ports.  I see no way of fixing this .

However, Otherwise look OK in Device Manager (Windows says it's working) and NI Serial Troubleshooting Wizard shows "Passed"

Please refer to screen shot

http://us.f13.yahoofs.com/bc/44122a3cmfde11dec/bc/My+Photo+Album/Comm+issue.jpg?bf4hQCIBPP7W1lS2

[MXI Master]

mgp,

The memory conflict should not hamper the performance of your rs-485 ports. Have you tried a loop-back to test to check for basic serial port connectivity?

Also, I can not open up the picture you linked. Could you try to attach the photo to your post instead?

[mgp]

Marshall,

I haven't done a  loopback yet, but will do so.  Here is the screen shot.  THX

[Dennis_Knutson]

The original link is bad and it doesn't change anything to try and use the 'Insert an Image' button to the same bad link. Why don't you simply use the Attachment button below the message body?