The service area can be called:
System Area
Maintenance Tracks
Negative Cylinders
Reserved Cylinders
Calibration Area
Initialization Area
Diskware
System Area Information:
SMART data
System Logs
Serial Number
Model Number
P-List – Primary defect list
G-List – Grown defects list
Program overlays – firmware and executable code
RRPO tables
Zone tables
Servo Parameters
Test Routines
Factory defaults table
Recalibration code routines
Translator data
Security data passwords fro the drive