1. Open the Record in question. 
2. Select the Addresses tab on the record (do not press the Address: button on the Bio 1 tab). 

Where to click to see the Addresses

3. View the addresses associated with this record. 
4. Double click an address row to open it and see the details. Find the address that you want to see on the Bio 1 tab of the record. 
5. Close the address so that you are back on the Addresses tab of the record and viewing the list of all the addresses. 
5. For the address you want to see on the Bio 1 tab, mark the Primary? checkbox. 
6. Save and Close the record.