Abbreviations (P)
Abbreviations.
Meaning
PAL
Phase Alternation Line (Color-TV)
PAP
Privileged Access Password
PAS
Pro Audio Spectrum
PBX
Private branch exchange (phone/modem-line)
PFA
Predictive Failure Analysis (e.g. RAID Controller) see also SMART
PB SRAM
Pipelined Burst Static RAM
for BUS speed up to 133 MHz (4.5 versus 8ns addr./data
fastest with a BUS speed of 75MHz or above.
PC
Personal Computer
PCA
Program Calibration Area (CD-R area -> for calibrate laser enery)
PC AT
Personal Computer Advanced Technology
PC XT
Personal Computer eXtended Technology
PCI Bus
Peripheral Component Interconnect
(32-Bit at 30 MHz)
PCMCIA
Personal Computer Memory Card International Association
PCX
Picture Exchange (graphic format)
PECL
Positive Emitter Coupled Logic (e.g. Fibre channel)
PEL
Picture Element. (See pixel) also used for Permit Exposure Limit
PI
Port In (e.g. 8230 Port In line/address)
PIF
Product Information File
PIO
Programmable Input Output. A means of data transfer that
requires the use of the host processor.
PIO mode
Programmed I/O mode (BIOS - used for define IDE/EIDE speed)
PIO mode 0 (ATA) up to 3.3 MB/sec
PIO mode 1 (ATA) up to 5.2 MB/sec
PIO mode 2 (ATA) up to 8.3 MB/sec (IDE)
PIO mode 3 (ATA-2) up to 11.1 MB/sec (EIDE)
PIO mode 4 (ATA-2) up to 16.6 MB/sec (EIDE)
PIO mode 5 more than 16.6 MB/sec (EIDE)
pixel
Picture Element. The minimum item that can be displayed
on a video display.
PM
Presentation Manager (OS/2)
PMA
Program Memory Area (CD-R area -> track numbers)
PnP
Plug&Play BIOS
P&D-D
digital Plug&Display-Interface (see TMDS)
P&D-D/A
digital and analog Plug&Display-Interface (se TMDS)
PO
Port Out (e.g. 8230 Port Out line/address)
POH
Power-on-hours
POS
Programmable Option Select
POST
Power-On Selftest
PPP
Point-to-Point Protocol (Internet)
PROM
Programmable Read Only Memory
PSM
Product Specific Module
PSTN
Public Switched Telephon Network
PS/VP
PS/ValuePoint
PxBLT
Pixel Block Transfer
PUN
Physical Unit Number (as in SCSI)
Please see the LEGAL - Trademark notice.
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