xii AbbreviationsIPC integrated peripheral controllerips inches per secondIRQ interrupt requestK kilo (1024)k kilo (1000)KB kilobytekg kilogramkHz kilohertzlb poundLED light-emitting diodeLSB least-significant bitLSI large-scale integrationM megamA milliampsmax maximumMB megabyteMDA Monochrome Display AdapterMFM modified frequency modulationMHz megahertzmm millimeterms millisecondMSB most-significant bitNASC National Authorized ServiceCenterNC not connectedNMI Non-maskable Interruptns nanosecondNSRC National Service ResponseCenterPAL programmable array logicPC personal computerPCB printed circuit boardPCI Peripheral ComponentInterconnectPDA personal digital assistantPFP plastic flat packagePIO parallel input/outputpixel picture elementPLCC plastic leaded chip carrierPLL phase lock loopp-p peak-to-peakPPI programmable peripheralinterfacePROM programmable ROMQFP quad flat packRAM random-access memoryRAMDAC RAM digital-to-analogconverterRAS row address strobeRGB red green blueRGBI red green blue intensityROM read-only memoryrpm revolutions per minuteR readRTC real-time clockR/W read/writeS slaveSCSI Small Computer SystemInterfaceSG signal groundSIMM single inline memory moduleSPM standard page modeSRS Sound Retrieval SystemSVGA Super Video Graphics ArraySW switchTAC Technical Assistance CenterTSC Technical Support CenterTTL transistor/transistor logictpi tracks per inchUSB universal serial busV voltVac volts, alternating currentVdc volts, direct currentVESA video electronics standardsassociation
