Acronyms and Abbreviations
| N |
N.C. | No Connection |
| O |
ODD | Optional Disk Drive |
ODF | Offset Detection Flag |
OEM | Original Equipment Manufacturer |
| P |
PA | PostAmble |
P/N | Part Number |
PC | Page Control |
PCA | Printed Circuit Assembly |
PCF | Page Control Field |
PCR | Parameter Code Reset |
PDL | Primary Defect List |
PEP | Phase Encoded Part |
PF | Page Format |
PLL | |
PMI | Partial Medium Indicator |
PPC | Parameter Pointer Control |
PWM | Pulse Width Modulation |
| R |
RAM | |
RelAdr | Relative Addressing |
REQ | REQuest |
RH | Relative Humidity |
ROM | Read only Memory |
rpm | revolutions per minute |
RST | ReSeT |
RSV | ReSerVed |
| S |
S/N | Serial Number |
SB | Spare Band |
SCT | SeCTor |
SDL | Secondary Defect List |
SDTR | Synchronous Data Transfer |
| Request |
SEL | SELect |
SFP | Standard Formatted Part |
SG | Signal ground |
SKSV | Sense Key Specific Valid |
SM | Sector Mark |
SNSKEY | SeNSe KEY |
SP | Save Page |
SP | Save Parameter |
STPF | SToP Format |
SYNC | SYNCronization mark |
| T |
TTL | |
Typ | Typical |
| U |
UB | User Band |
UL | Underwriters Laboratories |
| Incorporated |
| V |
VCM | Voice coil motor |
VDE | Verband Deutscher |
| Elektrotechniker |
VFO | Variable Frequency Oscillator |
VLD | VaLiD |
VPD | Vital Product Data |
VU | Vendor Unique |