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