Instructions:

To Search by Chromosome: Using the drop down box select the chromosome and enter the start and end position of your region of interest in the appropriate boxes. If no start and end position is specified all the hits will be shown from the selected chromosome.
To Search by Accession: Using the drop down box select the type of id and enter the id in the following textbox or enter keywords to search gene symbols and descriptions.

The optional part allows one to use there own files that contain the ids