Glossary of Terms
      Show Part Numbers

Following is a glossary of terms used with IBM SCSI hard drives.

Term Meaning
Kbpi Kilobits per inch (1,000 bits per inch)
Mbps Megabits per second (1,000,000 bits per second)
GB Gigabyte (1,000,000,000 bytes)
MB Megabyte (1,000,000 bytes)
KB Kilobyte (1,000 bytes unless otherwise specified; 1,024 bytes actual)
32 KB 32 × 1,024 bytes
64 KB 64 × 1,024 bytes
Mb/sq.in Megabits per square inch (1,000,000 bits per square inch)
MLC Machine Level Control
PFA™ Predictive Failure Analysis (Trademark of IBM Corp.)
S.M.A.R.T. Self-Monitoring Analysis and Reporting Technology
ADM Automatic Drive Maintenance
SCAM SCSI Configured AutoMatically
SE Single-Ended SCSI
LVD Low Voltage Differential
FC-AL Fiber Channel - Arbitrated Loop