�SRBOX doesn't have a USB cable?

[David K McFarlane]

Raúl, 

My first guess is that the COM setting (COM1, COM2, etc.) on your USB to 
serial converter does not match the COM setting of your E-Prime experiment.  
First, check the COM setting of your converter -- I can't tell you how to do 
that, but your IT staff should be able to help you there.  Your converter 
should have come with software to let you change its settings.  Set it to 
use COM1 if you can, otherwise use anything from COM2 to COM4 (E-Prime 
cannot see anything above COM4). 

Then, in your E-Prime experiment program, open the Experiment properties 
(e.g., double-click on the Experiment object).  Go to the Devices tab (I'm 
doing this from memory, so I hope I get this right or someone else corrects 
me).  Open the SRBox object (I assume your experiment has one, otherwise you 
will have to add it).  Note the setting for COM port.  Make sure that it is 
set to the same port as your USB to serial converter.  Note that the E-Prime 
uses COM1 by default, so if you can set your converter to COM1 it should 
already work with E-Prime.  If you do need to change the SRBox COM setting 
to match your converter, note that you will have to do this for *each* 
experiment program, as this setting is stored separately for each program.  
Finally, if you move the experiment between computers you might have to 
change the SRBox COM setting to match each computer.  As you can see, life 
gets a lot easier if you can make sure that your SRBox can plug into 
something that is already assigned as COM1! 

Oh, you might also have to check other settings on your USB to serial 
converter, e.g., baud rate, stop bits, data bits, etc. 

BTW, if it were me, if at all possible I would install a real serial port 
adapter into a free slot instead of using a USB to serial converter.  The 
converter may work fine, but I just feel better with a real card.  Just my 
unsolicited $0.02. 

 -- David McFarlane, Professional Faultfinder 


> I have a problem with the serial box response and I hope you can help me. 
> 
> First of all, the SRBOX doesn't have a USB cable... Nowadays all computers
> onlu use USB.... So, for the SRBOX I had to buy an USB/Serial conversor.
> Don't you have this cable available for news computers? 
> 
> Another problem is, the SRBOX is not responding. I don´t know if the problem
> is in the USB/Serial Conversor. The error message is: 
> 
> Device name: SRBOX 
> 
> Error: 0x00002329 
> 
> Message: "unable to open the SRBOX". 
> 
> I really need your help because the study can't continue without it. 
> 
> Raúl Oyuela Vargas, M.Phil. 
> Director Laboratorio de Psicología, PUJ 
> Carrera 5 N. 39-00 Edificio Manuel Briceño 
> Tel 3208320 Ext. 5713 
> Fax 3208320 Ext. 5717



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