Originally Posted by
ericdabbs
No...its a debit card. Doesn't matter if you are suppose to choose "credit" option that doesn't mean that this is a credit card. If you have a zero balance in your Serve account you cannot borrow money to pay for the transaction unlike a credit card which you are not bound by the same terms.
Just select debit option on the machine and slide your Serve card so you can buy MOs.
no you cant... why? because you cannot set a pin for amex *debit* cards. register wont process the transaction since to the computer *all* amex cards run thru as credit cards regardless of if they are prepaid.