NCR 7448 Hardware User's Manual page 217

Appendix A: BIOS A-15
If this is the first BIOS Update since the workstation was shipped from the
factory, the workstation requests you to enter the Product Name Information
and the Serial Number Information. If not, the workstation automatically
updates.
Note: The Product Name Information and the Serial Number Information are
located on the NCR Class/ Model/ Power Code/ Language Code/ Serial Number
label on the Lower Cabinet of your workstation.
At the Product Name Information entry, the workstation requests to enter the
Class Number, the Model Number,Power Code and Language Code in the
format 'XXXX-YYYY-ZZZZ.'
You can find the Class Number, the Model Number, Power Code and Language
Code on the label on the Lower Cabinet.
'XXXX' is the Class Number
'YYYY' is Model Number
'ZZZZ' is Power Code and Language Code
Example: 7448-2100-8001 (Class Number: 7448, Model Number:2100, Power
Code:80, Language Code: 01)
Note: The following shows how to enter a hyphen with the 80-key keyboard:
Press and hold down the Alt key
Press the "4" and "5" keys sequentially on the NUM PAD.
Release the Alt key.
Press 1 key to update BIOS.
Turn on and off the workstation after BIOS Update is completed.