Acronyms and Abbreviations
| M |
MPU | MicroProcesser Unit |
MR | Magnetro Resistive |
MS | Multiple Select |
| N |
NACK | Negative ACKnowledge primitive |
| O |
OEM | Original Equipment Manufacturer |
| P |
P list | Primary defect list |
P/N | Parts/Number |
PBdata | Physical Block data |
PC board Printed Circuit board | |
PCA | Printed Circuit Assembly |
PER | Post ERror |
PF | Page Format |
PLO Sync Phase Lock Oscillator Syncronous | |
PMI | Partial Medium Indicator |
PR4ML | Partial Response class 4 Maximum |
| Likelihood |
| R |
RC | Read Continuous |
RCD | Read Cache Disable |
RH | Relative Humidity |
RMB | ReMovaBle |
RSV | ReSerVed |
| S |
S/N | Serial/Number |
SAS | Serial Attached SCSI |
SBd | Synchronized Byte data area |
SBi | Synchronized Byte identifier area |
SCSI | Small Computer System Interface |
SCT | SeCTor |
SelfTest | Self Test |
SG | Signal Ground |
SP | Save Page |
SPR | SPaRe block |
SR | Servo |
SSEC | Soft SECtor |
STPF | SToP Format |
SURF | SURFace |
| T |
TB | Transfer Block |
TPI | Tracks Per Inch |
TRM | TeRMinator |
| U |
UnitOfl | Unit Offline |
| V |
VCM | Voice Coil Motor |
VPD | Vital Product Data |
VU | Vendor Unique |
| W |
W | Width |
WCE | Write Cache Enable |
WP | Write Protect |
WWN | World Wide Name |