Term Information
ISDN Integrated-Services Digital Network
LAN Local Area Network
LBA Local Block Address
LTB Local Transfer Bus
LUN Logical Unit Number (as in SCSI)
MAP Maintenance Analysis Procedure
MCGA Modified Color Graphics Adapter (320 x 200 x
256)
MCA Micro Channel Architecture (bus structure)
MHz Mega hertz (millions of cycles per second)
MIDI Musical Instrument Digital Interface
MM Multimedia
N/A Not Available or Not Applicable
NDD National Distribution Division
NMI Non-Maskable Interrupt
NSC National Support Center
NVRAM Non Volatile Random Access Memory
OEM Original Equipment Manufacturer
PCMCIA Personal Computer Memory Card International
Association
POS Programmable Option Select
PUN Physical Unit Number (as in SCSI)
RAID Redundant Array of Inexpensive Disks (disk
array models)
RAM Random Access Memory (read/write)
RGB Red Green Blue (is in monitors)
ROM Read Only Memory
SASD Sequential Access Storage Device (Tape)
SCB Subsystem Control Block
SRAM Static Random Access Memory
SCSI Small Computer Systems Interface
SCSI ID SCSI Identification Number (assigned device
number)
SPD Software Product Description
SR Service Representative
T/A NDD Technical Advisor (See your Marketing
Representative)
TDD Telecommunications Device for the Deaf
TFT Thin Film Transistor
TPF ThinkPad File
UL Underwriters Laboratory
VCA Video Capture Adapter
VESA Video Electronics Standards Association
VGA Video Graphics Array (640x480x16)
VPD Vital Product Data
VRAM Video Random Access Memory
WORM Write Once, Read Many Media
XGA Extended Graphics Array (1024 x 768 x 256)
Y/C Luminance/Chrominance Signal (Pertains to
Video)
484 IBM Mobile Systems HMM - Volume 1
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