You can find the online payment configuration in the menu item Settings -> Finance -> Online Payment. Before you can setup online payment you must have received login-informations from DIBS, created an api-user in DIBS, generated MD5 keys in DIBS.
Shop/Merchant Id as received from DIBS
MD keys generated from the DIBS user interface.
User name for DIBS (you must create a specific API user in the DIBS application)
Password for the DIBS user.
If checked then the DIBS payment module is in test mode, ie. payments are not transferred.
Show credit cards
Select the credit card logos you want to display in the web shop.