Leading the Way in Military Medicine. 1  Walter Reed National Military Medical Center. 2  Naval Medical Center Portsmouth. 3  Naval Medical Center San Diego. 4  Hospitals. Clinics.  Surface 1  Ships. Aircraft Squadrons.  Fleet Marine Force.
The service tag is unique to your system - it is essentially the serial number. If you don't have it recorded, but have your system registered with Dell (or purchased it direct from Dell), you should be able to obtain it by calling customer service with your order number or your name and address. Like 0. Reply.
Service Tag is essentially your computer's 'serial number', set/locked in the BIOS by Dell, and is the primary number that Dell uses to track your system for support and billing purposes. Asset Tag is a secondary tag, set by the user in BIOS, that can be used by organizations to track a system for inventory purposes. The Service Tag can ONLY be set using a special non-public utility from Dell.