Upgrading and Repairing PCs Free Open Book

Upgrading and Repairing PCs

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S-video connectors 
SAA7780 (ThunderBird) audio chip 
SAA7785 (ThunderBird Avenger) audio chip 
sables
    crossover cables 
SafeAudio 
SafeDisc  2nd 
safety
    power supply safety certifications  2nd 
    power-protection systems  2nd  3rd  4th 
        backup power  2nd  3rd  4th  5th 
        built-in power protection  2nd  3rd 
        line conditioners  2nd 
        phone line surge protectors  2nd 
        surge protectors  2nd  3rd 
SAL (Soft Adjacent Layer) structure 
sampling  2nd  3rd  4th 
sampling rates
    CD-ROM discs  2nd 
Samsung
    low-level formatting software 
    Web site 
SanDisk Corporation
    CompactFlash  2nd 
Sandra software 
Santa Cruz sound card 
SASI (Shugart Associates System Interface)  2nd 
SATA (Serial ATA)  2nd  3rd  4th  5th  6th  7th 
    8B/10B encoding  2nd 
    backward compatibility 
    BIOS setup 
    data connector pinouts  2nd 
    differential NRZ (Non-Return to Zero) 
    HighPoint RocketHead 100 converter 
    power connector pinouts  2nd 
    Serial ATA Workgroup 
    Serial ATA Working Group 
    standards  2nd 
satellite-based Internet access
    DirecWAY  2nd  3rd  4th 
        commissioning 
        FAP (Fair Access Policy)  2nd  3rd 
        performance 
        requirements  2nd 
        vendors  2nd 
        Web sites 
    StarBand  2nd  3rd  4th 
Save Custom Defaults setting (BIOS Exit menu) 
saving
    CMOS RAM settings  2nd 
SB-Link connectors 
SB210 South Bridge chips 
SB300C South Bridge chips 
SB380 South Bridge chips 
SC242 slots 
SC330 slots  2nd 
scan codes (keyboards)  2nd  3rd  4th 
scan conversion 
Scan User Flash Area setting (BIOS Boot menu) 
SCANDISK utility  2nd  3rd  4th 
scanning frequency (CRT) 
ScanSoft Web site 
SCAT (Single Chip AT) chipsets 
scratchy sound, troubleshooting  2nd 
screen flicker 
screen phosphors 
screens.  [See monitors]
screwdrivers  2nd 
    electric screwdrivers  2nd  3rd 
screws
    hard disk drives 
    Phillips-head screws 
    slotted-head screws 
    thumb screws 
    Torx
        power supply 
    Torx screws  2nd  3rd  4th 
scroll wheels (mouse)  2nd  3rd 
Scrollpoint Pro 
SCSI (Small Computer System Interface) 
    Apple Computers 
    booting 
    cables  2nd  3rd  4th 
        recommendations 
    CD/DVD drive interfaces  2nd  3rd 
    compared to ATA (AT Attachment)  2nd 
        advantages and limitations  2nd  3rd 
        hard disk construction  2nd  3rd  4th  5th  6th  7th  8th  9th  10th  11th  12th 
        performance 
    data transfer rates 
    diagnostic software  2nd 
    drive configuration 
        delayed start  2nd 
        external terminators  2nd 
        parity checking 
        SCSI ID setting  2nd  3rd 
        synchronous negotiation  2nd 
        terminator power 
    embedded SCSI 
    expanders  2nd 
    forward/backward compatibility 
    host adapters  2nd  3rd 
    IDs 
    LVD (Low Voltage Differential) signaling  2nd  3rd 
    multiple SCSI devices 
    PnP (Plug and Play)  2nd 
    recommendations  2nd 
    signaling
        HVD (High Voltage Differential)  2nd  3rd  4th  5th  6th 
        SE (single-ended)  2nd 
    SIP (SCSI Interlock Protocol) 
    standards  2nd  3rd 
        Fast SCSI 
        Fiber Channel SCSI 
        iSCSI  2nd 
        packetized SCSI 
        SCSI-1  2nd  3rd 
        SCSI-2  2nd  3rd  4th  5th  6th 
        SCSI-3  2nd  3rd  4th  5th 
        table of  2nd 
        Ultra SCSI  2nd 
        Ultra160 SCSI  2nd  3rd  4th  5th  6th 
        Ultra160+ SCSI  2nd  3rd 
        Ultra2 SCSI  2nd 
        Ultra3 SCSI  2nd  3rd 
        Ultra320 SCSI  2nd 
        Ultra4 SCSI  2nd 
        Ultra5 SCSI 
        Ultra640 SCSI 
        Web site 
        Wide SCSI 
    terminators 
        active  2nd 
        FPT (forced perfect termination)  2nd 
        HVD (High Voltage Differential) 
        LVD (Low Voltage Differential)  2nd 
        passive  2nd 
        recommendations 
    troubleshooting  2nd  3rd  4th 
SCSI (Small Computer Systems Interface)
    adapter boards
        resource conflicts  2nd 
    CD/DVD drivers 
    controllers
        configuration  2nd  3rd  4th 
    low-level drive formatting  2nd 
    optical drive installation  2nd 
        card edge connectors  2nd  3rd 
        chains  2nd  3rd  4th 
        controllers 
        external drives  2nd  3rd 
        internal drives  2nd 
        jumper settings  2nd  3rd 
        ribbon cables  2nd  3rd 
    SCSI adapters
        BIOS 
SCSI-1 standard  2nd  3rd 
SCSI-2 standard  2nd  3rd  4th  5th  6th 
SCSI-3 standard  2nd  3rd  4th  5th 
SCSISelect utility 
SD (SecureDigital)  2nd 
SD (Super Density) disks 
SDRAM
    DDR SDRAM (double data rate SDRAM) 
SDRAM (synchronous DRAM)  2nd  3rd  4th 
SDSL (symmetrical DSL) 
SE (single-ended) signaling  2nd 
Seagate
    Cheetah 36ES
        transfer rate specifications  2nd 
    Cheetah X15
        transfer rate specifications 
    low-level formatting software 
    Web site 
Seagate Technology
    contact information 
sealing CD/DVD drives  2nd 
SEC
    Pentium II/III Xeon processors 
SEC (Single Edge Contact) packaging
    Pentium II processors  2nd 
SEC (single edge contact) processor packaging  2nd 
SEC (single edge processor) processor packaging 
SEC-DED (single-bit error-correction double-bit error detection) 
SECAM (Sequential Couleur Avec Memoire) 
SECC cartridges
    OLGA (organic land grid array) packaging 
    PLGA (plastic land grid array) packaging 
SECC2 (Single Edge Contact Cartridge 2) package
    Pentium III 
SECC2 (single edge contact cartridge 2) processor packaging 
second generation CPUs
    bus widths  2nd  3rd 
second-generation Pentium processors  2nd  3rd  4th  5th  6th  7th  8th 
    APIC (advanced programmable interrupt controller) 
    BF pins  2nd 
    clock multipliers  2nd  3rd  4th  5th 
    overclocking 
    packaging 
    speeds  2nd 
    transistors 
second-generation processors
    80286 
        80287 math coprocessor  2nd 
        addressable memory 
        protected mode 
        real mode 
        speeds 
secondary (Level 2) cache
    Pentium II/III Xeon processors 
    Pentium III processors 
    Pentium Pro processors 
        MPS 1.1 (Multiprocessor Specification) 
    Pentium processors 
secondary ATA (AT Attachment) channels 
secondary cache.  [See Level 2 cache]
Secondary IDE Master setting (BIOS IDE Configuration menu) 
Secondary IDE Slave setting (BIOS IDE Configuration menu) 
Secondary master hard disk fail (error message) 
secondary monitors 
Secondary slave hard disk fail (error message) 
sector addressing
    CHS (cylinder head sector)
        137GB barrier  2nd  3rd 
        2.1GB barrier 
        4.2GB barrier  2nd  3rd 
        528MB barrier  2nd  3rd  4th 
        8.4GB barrier  2nd  3rd 
        ATA CHS parameter limits 
        BIOS CHS parameter limits  2nd 
        BIOS commands  2nd 
        CHS bit-shift translation  2nd  3rd  4th  5th 
        combined parameter limits  2nd 
        compared to LBA (logical block address)  2nd  3rd 
        converting to LBA (logical block address)  2nd 
        LBA-assist translation  2nd  3rd  4th 
        Standard CHS 
    LBA (logical block address) 
        BIOS commands  2nd 
        compared to CHS (cylinder head sector)  2nd  3rd 
        converting to CHS (cylinder head sector)  2nd 
        LBA-assist translation  2nd  3rd  4th 
    prefixes for decimal/binary multiples  2nd  3rd 
sector errors (boot process)  2nd 
SECTOR NUMBER sector data 
sectors  2nd  [See also tracks]
    CD-ROM XA drives  2nd  3rd  4th  5th 
    CD-ROMs  2nd 
    data bytes 
    defined 
    DVD discs  2nd  3rd 
    fields 
        ADDRESS MARK  2nd 
        CRC  2nd  3rd 
        CYLINDER NUMBER 
        DATA  2nd 
        DATA SYNC VFO LOCK 
        HEAD NUMBER 
        ID VFO LOCK 
        INTER-RECORD GAP  2nd 
        POST INDEX GAP  2nd  3rd 
        PRE-INDEX GAP  2nd 
        SECTOR NUMBER 
        SYNC BYTE  2nd 
        WRITE TURN-OFF GAP  2nd 
        WRITE TURN-ON GAP  2nd 
    gaps in 
    headers/trailers  2nd 
    master boot sectors  2nd  3rd 
        bootstrap code 
        format of  2nd  3rd  4th 
        master partition table 
        signature bytes 
        system indicator byte values  2nd 
    numbering 
    typical track/sector format  2nd 
    usable space  2nd 
    volume boot sectors  2nd 
sectors (hard disk drives) 
SecureDigital (SD)  2nd 
security
    BIOS (basic input/output system)  2nd  3rd 
    broadband Internet access  2nd 
    CATV networks  2nd 
    CD-ROM copy protection  2nd  3rd  4th  5th 
        SafeAudio 
        SafeDisc  2nd 
    DSL (digital subscriber line)  2nd 
    DVD copy protection
        APS (analog protection system)  2nd 
        CSS (content scramble system)  2nd  3rd  4th 
        RPC (regional playback control)  2nd  3rd 
    extranets 
    floppy disks
        write protection 
    Intel RNG (Random Number Generator)  2nd 
    intranets 
    networks  2nd 
    power-protection systems  2nd  3rd  4th 
        backup power  2nd  3rd  4th  5th 
        built-in power protection  2nd  3rd 
        line conditioners  2nd 
        phone line surge protectors  2nd 
        surge protectors  2nd  3rd 
    war driving 
    Wi-Fi (Wireless Fidelity)  2nd 
Security menu (BIOS Setup)  2nd  3rd 
Security Option setting (BIOS Setup) 
seek times
    average seek times  2nd  3rd 
    hard disk drives 
self-cleaning lenses (CD/DVD drives) 
self-identifying peripherals 
Self-Monitoring, Analysis, and Reporting Technology (SMART)  2nd  3rd  4th 
self-powered hubs (USB) 
Selker, Ted 
semiconductors
    history of  2nd  3rd  4th 
    top 25 semiconductor companies  2nd  3rd 
Semtech Web site 
SEP (single edge processor) package
    Celeron processors 
SEPP  [See SEP package]
Sequential Couleur Avec Memoire (SECAM) 
Serial ATA Controller setting (BIOS Setup) 
Serial ATA setting (BIOS Boot menu) 
Serial ATA Workgroup 
Serial ATA Working Group 
Serial ATA.  [See SATA]
serial mouse  2nd 
serial numbers (Intel processors) 
Serial port A setting (BIOS Peripheral Configuration menu) 
serial ports  2nd  3rd 
    configuration  2nd  3rd  4th 
    connectors
        25-pin  2nd 
        9-pin 
        9-pin to 25-pin  2nd 
    file transfers  2nd 
    high-speed serial port cards  2nd 
    linking systems with  2nd  3rd 
    locations  2nd  3rd  4th  5th 
    multi-I/O cards 
    null modem cables  2nd 
    onboard serial ports  2nd 
    shared interrupts 
    Super I/O chips 
    testing 
        loopback testing  2nd  3rd 
        MSD (Microsoft Diagnostics)  2nd 
        Windows operating systems  2nd  3rd 
    UART (Universal Asynchronous Receiver/Transmitter) chips 
        16450 UART  2nd  3rd 
        16550 UART  2nd  3rd  4th  5th 
        16550A UART 
        16650 UART 
        16750 UART 
        16850 UART 
        16950 UART 
        8250 UART  2nd 
        8250A UART 
        8250B UART 
        FIFO (first in first out) buffers 
        manufacturers 
serial presence detect (SPD) 
serial-bus architectures 
    advantages of  2nd  3rd 
    IEEE-1394 
        1394a standard 
        1394b standard  2nd  3rd  4th 
        cables 
        chipsets 
        compared to USB  2nd  3rd 
        device connections  2nd 
        hot-plugging 
        signaling rates 
        topology 
    USB (Universal Serial Bus).  [See USB]
Series A connectors (USB) 
Series B connectors (USB) 
SERs (soft error rates) 
servers 
    proxy servers  2nd 
servo mechanisms 
    dedicated servo  2nd  3rd  4th 
    disk sweep  2nd 
    embedded servo  2nd 
    gray code 
    servowriters  2nd 
    thermal recalibration 
    wedge servo  2nd 
servowriters  2nd 
set associative cache 
Set Supervisor Password setting (BIOS Security menu) 
Set User Password setting (BIOS Security menu) 
setting up.  [See configuration]
Settings tab (Display Control Panel)  2nd 
Setup program (BIOS) 
    accessing  2nd 
    additional setup features  2nd  3rd  4th  5th 
    Advanced menu  2nd  3rd  4th  5th  6th 
    ATA RAID Controller feature 
    Boot Configuration menu  2nd 
    Boot Device Priority menu  2nd 
    Boot menu  2nd 
    Boot Up Floppy Seek feature 
    Boot Up System Speed feature 
    CPU Clock Multiplier feature 
    CPU Frequency feature 
    CPU Hyper-threading feature 
    CPU Internal Cache/External Cache feature 
    CPU Vcore Setting feature 
    Diskette Configuration menu  2nd 
    Event Logging menu  2nd  3rd 
    Exit menu  2nd 
    Extended Configuration menu  2nd 
    Fan Control Configuration menu 
    Gate A20 Option feature 
    HDD S.M.A.R.T. Capability feature 
    IDE Configuration menu  2nd  3rd  4th  5th  6th 
    IEEE-1394a Port feature 
    main menu  2nd  3rd  4th  5th 
    Maintenance menu  2nd  3rd 
    numeric keypads 
    Operating Frequency feature 
    PC Health feature 
    PCI Configuration menu  2nd 
    Peripheral Configuration menu  2nd 
    PnP Configuration menu 
    Power menu  2nd  3rd  4th 
    PS/2 Mouse Function Control feature 
    Quick Power On Self Test feature 
    Report No FDD For WIN 95 feature 
    Resource Configuration menu 
    ROM Shadowing feature 
    running  2nd  3rd  4th 
    Security menu  2nd  3rd 
    Security Option feature 
    Serial ATA Controller feature 
    summary of menus  2nd 
    Swap Floppy Drive feature 
    Typematic Delay feature 
    Typematic Rate feature 
    Typematic Rate Setting feature 
    USB Configuration menu  2nd 
    Video Configuration menu  2nd  3rd 
    Virus Warning feature 
seventh generation CPUs
    bus widths  2nd  3rd 
seventh-generation processors
    chipsets
        Aladdin P4  2nd 
        Apollo P4X266 family 
        Apollo P4X400 
        Apollo P4X400A 
        ATI chipsets  2nd  3rd  4th 
        hub architecture  2nd 
        ICH5 
        ICH5R 
        Intel 845 family  2nd  3rd 
        Intel 850 family  2nd  3rd 
        Intel 865 family  2nd 
        Intel 875P  2nd 
        Intel Extreme Graphics Architecture  2nd 
        M1581/M1563  2nd 
        ProSavage P4M266  2nd 
        quick reference of ALi chipsets  2nd 
        quick reference of Pentium 4 chipsets  2nd 
        quick reference of SiS chipsets  2nd 
        quick reference of VIA chipsets  2nd  3rd  4th 
        reference table  2nd  3rd  4th 
        SiS 645/645DX  2nd 
        SiS 648/655DX  2nd 
        SiS 650/651  2nd  3rd  4th 
        SiS R658  2nd  3rd  4th 
        vendors  2nd 
    Pentium 4  2nd  3rd  4th 
        heatsinks  2nd 
        memory requirements  2nd 
        power supply issues  2nd  3rd  4th  5th  6th 
        specifications  2nd  3rd 
        steppings  2nd  3rd 
SFX power supply  2nd  3rd  4th 
SGI
    OpenGL 
SGRAM (synchronous graphics RAM) 
shading 
    flat shading 
    Gourand shading 
    programmable vertex and pixel shading 
shadow masks (CRT monitors) 
shadow masks (CRT) 
shadowing (ROM)  2nd 
shadowing ROM (read-only memory)  2nd  3rd 
shared memory  2nd 
sharing  [See also networking]
    intelligent sharing 
    Internet connections  2nd  3rd  4th 
        gateways  2nd 
        ICS (Internet Connection Sharing)  2nd  3rd  4th  5th  6th  7th  8th  9th  10th  11th 
        proxy servers  2nd 
        routers  2nd  3rd  4th  5th  6th 
        troubleshooting  2nd 
    interrupts 
    tips and tricks  2nd 
Shark drives 
shielded twisted pair (STP) cables  2nd 
Shields Up service 
Shoch, John 
Shockley, William  2nd 
short-neck CRT (cathode ray tube) monitors 
Shugart Associates System Interface (SASI)  2nd 
Shugart floppy drive interface  2nd  3rd  4th 
Shugart, Alan  2nd 
shutdown
    troubleshooting  2nd 
signal boosters 
signal connectors
    floppy disk drives  2nd 
signal jitter 
signal lights (broadband devices)  2nd 
signal skew 
signal-to-noise ratio (SNR) 
signals
    ATA (AT Attachment)  2nd  3rd 
        CSEL (cable select) signals 
        DASP (drive action/slave present) signals 
        SPSYNC (Spindle Synchronization) 
    Disk Change  2nd  3rd  4th 
    jitter 
    keyboard connector signals  2nd 
    Power_Good  2nd  3rd  4th  5th  6th 
    PS_ON  2nd 
    SCSI (Small Computer System Interface)
        HVD (High Voltage Differential)  2nd  3rd  4th  5th  6th 
        LVD (Low Voltage Differential)  2nd  3rd 
        SE (single-ended)  2nd 
    skew 
signature bytes  2nd 
silicon 
Silicon Image
    contact information 
Silicon Integrated Systems.  [See SiS]
silicone lubricants  2nd 
SIMD
    Pentium-MMX processors 
SIMMs
    width
        Pentium processors 
SIMMs (single inline memory modules)  2nd 
    buying tips  2nd 
    capacities 
    contact metals 
    gold-plated  2nd  3rd  4th 
    illustration 
    installation  2nd  3rd 
    memory banks  2nd  3rd 
    part numbers  2nd  3rd 
    pinouts
        standard 72-pin pinout  2nd  3rd  4th 
    presence detect pin configurations  2nd  3rd 
    tin-plated  2nd  3rd  4th 
Single Chip AT (SCAT) chipsets 
single edge contact (SEC) packaging  2nd 
single edge contact cartridge 2 (SECC2) packaging 
Single Edge Contact Cartridge 2 package  [See SECC2 package]
single edge processor (SEP) package
    Celeron processors 
single edge processor (SEP) packaging 
single inline memory modules (SIMMs) 
single inline memory modules.  [See SIMMs]
single-bit error-correction double-bit error detection (SEC-DED) 
single-board computers 
single-ended (SE) signaling  2nd 
single-ended cables (SCSI)
    A-cable external shielded connectors  2nd 
    A-cable internal unshielded connectors  2nd 
    IBM PS/2 SCSI external connectors 
    P-cable shielded connectors  2nd 
single-gap heads  2nd 
single-pass rendering 
single-plane power design  2nd 
single-sided memory modules 
singleword DMA (Direct Memory Access)  2nd 
SIP (SCSI Interlock Protocol) 
SiS
    3D chipsets 
SiS (Silicon Integrated Systems)
    chipsets
        MuTIOL architecture  2nd 
        quick reference of Athlon/Duron chipsets  2nd 
        quick reference of P6-class chipsets  2nd 
        quick reference of Pentium 4 chipsets  2nd 
        SiS 645/645DX 
        SiS 648/655DX 
        SiS 650/651  2nd 
        SiS R658  2nd 
        SiS600/5595  2nd  3rd  4th 
        SiS620/5595  2nd  3rd  4th 
        SiS630  2nd  3rd  4th  5th  6th 
        SiS633/635  2nd  3rd  4th 
        SiS730S  2nd 
        SiS733  2nd 
        SiS735  2nd 
        SiS740  2nd 
        SiS745  2nd 
        SiS746  2nd 
        SiS746FX 
        SiS748  2nd 
    contact information 
SiS600/5595 chipsets  2nd 
SiS620/5595 chipsets  2nd 
SiS630 chipsets  2nd  3rd 
SiS633/635 chipsets  2nd 
SiS730S chipsets  2nd 
SiS733 chipsets  2nd 
SiS735 chipsets  2nd 
SiS740 chipsets  2nd 
SiS745 chipsets  2nd 
SiS746 chipsets  2nd 
SiS746FX chipsets 
SiS748 chipsets  2nd 
SiS961 South Bridge chips  2nd 
SiS961B South Bridge chips  2nd 
SiS961L South Bridge chips 
SiS962 South Bridge chips  2nd 
SiS962L South Bridge chips 
SiS963 South Bridge chips  2nd 
SiS963L South Bridge chip 
SiS963L South Bridge chips  2nd 
SiSoftware
    Sandra software 
sites
    Dux Computer Digest 
sites.  [See Web sites]
sixth generation CPUs
    bus widths  2nd  3rd 
sixth generation processors
    Celeron
        DIB (dual independent bus) architecture  2nd 
    Pentium II
        DIB (dual independent bus) architecture  2nd 
        dynamic execution  2nd 
    Pentium II/III Xeon  2nd 
        Level 2 cache 
        SEC cartridge 
    Pentium III
        DIB (dual independent bus) architecture  2nd 
    Pentium Pro
        DIB (dual independent bus) architecture  2nd 
        dynamic execution  2nd 
sixth-generation processors
    Celeron  2nd 
        benefits  2nd 
        DIB (Dual Independent Bus) 
        dynamic execution 
        FC-PGA (flip chip pin grid array) package 
        instruction execution 
        manufacturing 
        PPGA (plastic pin grid array) package  2nd 
        running 32-bit software  2nd 
        SEP (single edge processor) package 
    chipsets
        Aladdin Pro 4  2nd 
        Aladdin Pro 5  2nd 
        Aladdin Pro II  2nd 
        Aladdin TNT2  2nd 
        Apollo KLE133  2nd 
        Apollo Pro  2nd 
        Apollo Pro Plus  2nd 
        Apollo Pro133  2nd 
        Apollo Pro133A  2nd 
        Apollo Pro266  2nd 
        Intel 440BX  2nd  3rd 
        Intel 440EX  2nd 
        Intel 440FX  2nd 
        Intel 440GX  2nd 
        Intel 440LX  2nd 
        Intel 440ZX  2nd 
        Intel 440ZX-66  2nd 
        Intel 450KX/GX  2nd 
        Intel 450NX  2nd 
        Intel 810  2nd  3rd 
        Intel 810E  2nd  3rd  4th 
        Intel 810E2  2nd  3rd 
        Intel 815  2nd  3rd  4th  5th 
        Intel 815E  2nd  3rd  4th  5th 
        Intel 815EP  2nd  3rd  4th  5th 
        Intel 820  2nd  3rd  4th 
        Intel 820E  2nd  3rd  4th 
        Intel 840  2nd  3rd  4th 
        ProSavage PM133  2nd 
        quick reference of SiS chipsets 
        quick reference of VIA chipsets  2nd  3rd 
        reference table  2nd  3rd  4th  5th 
        SiS600/5595  2nd 
        SiS620/5595  2nd 
        SiS630  2nd  3rd 
        SiS633/635  2nd 
    Pentium II  2nd 
        cache  2nd 
        DIB (Dual Independent Bus)  2nd 
        die sizes 
        dynamic execution  2nd 
        heating/cooling issues  2nd 
        iCOMP 2.0 Index rating 
        installation 
        instruction execution 
        MMX technology 
        Mobile Module  2nd 
        multiprocessing 
        power usage 
        processor ID information  2nd 
        running 32-bit software  2nd 
        SEC (Single Edge Contact) packaging  2nd 
        specifications  2nd  3rd 
        speeds  2nd 
        transistors 
        voltage ID definitions  2nd 
    Pentium III  2nd 
        architectural features