Karbosguide.com - Module 3e.10

On CPU sockets


The contents:

  • The CPU Sockets and chip sets
  • Pentium II road map
  • Three lines of Intel CPUs
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  • Previous page


  • The CPU Sockets and chip sets

    To get an overview on all the different Intel CPUs, you may take a look at the various sockets, that are used to mount the CPU. Each socket is working together with specific chip sets. Let us finally also look into the future...

    There are many different CPU sockets in use for the various CPUs. Here you see a handfull of them:

    Socket Fits CPU Intel Chip set Number of pins
    Socket 7 Pentium, MMX, K5, 6x86, K6, IDT WinChip, 6x86MX, K6-2 82430TX
    321
    Socket 8 Pentium Pro 82440FX
    387
    Slot One Pentium II 82440FX
    82440LX
    242
    Slot One Pentium II (100 MHz system bus),
    Pentium III (100 and 133 MHz)
    82440BX
    82440JX
    242
    Slot One Celeron 82440EX
    242
    PGA370 Socketed Celeron
    Pentium III
    82440BX
    82440LX
    82440EX
    82440EZ
    i810
    i815
    370
    Slot Two Pentium II Xeon, Tanner 82440GX
    82450NX
    330
    PGA423 Pentium 4 i850
    423
    Slot M Merced ?
    ?

    Only Socket 7 may be copied freely. The other ones are Intel's patents. They may be manufactured by others on license from Intel. Cyrix is expected to produce Slot 1-compatible modules.

    A road map to Intel CPUs

    Putting all the 6th generation's CPUs from Intel together, we get a picture like this:

    CPU name/code name Year CPU/ bus
    MHz
    L2 cache Socket Process techno- logy Extra instructions
    Pentium Pro 1995 233/66 512-1024 full speed Socket 8 0.35 None
    Pentium II "Klamath" 1997 300/66 512 KB half speed Slot 1 0.35 MMX
    Pentium II
    "Deschutes first"
    1998 300/66 512 KB half speed Slot 1 0.25 MMX
    Pentium II
    " Deschutes second"
    1998 400/100
    450/100
    512 KB half speed Slot 1 0.25 MMX
    Celeron 1998 266/66
    300/66
    No Slot 1 0.25 MMX
    Celeron A
    "Mendocino"
    1998/
    1999
    300/66
    333/66
    366/66
    400/66
    128 KB full speed (on-die) Slot 1 0.25 MMX
    Celeron
    socketed
    1999 366/66
    400/66
    433/66
    466/66
    500/66
    533/66
    128 KB full speed (on-die) Socket 370 0.25/0.18 MMX
    Xeon 1998 400/100 512-2048 full speed Slot 2 0.25 MMX
    Pentium III 1999-2000 500/100
    533/133
    600/100
    600/133
    650/100
    700/100
    733/133
    ...
    1133/133
    256 Half speed Slot 1/PGA370 0.25/0.18 MMX SSE
    Pentium III
    Xeon
    (Tanner)
    1999 550/100 512-2048 full speed Slot 2 0.25 MMX SSE
    Coppermine 1999/
    2000
    733/133 256 KB full speed (on-die) Slot 1 and PGA370 0.18 MMX SSE
    Pentium 4 2000 1400 256 KB
    full speed
    (on-die)
    PGA423 0.18/0.13 SIMD2
    "Northwood" 2001 1600 512
    full speed
    (on-die)
    PGA478 0.13 ?
    "Tualatin" 2001 1500 512
    full speed
    (on-die)
    Socket 370 0.13 ?
    Celeron 2 2001 900 - 1200 128
    full speed
    (on-die)
    Socket 370 0.13 ?

    Three lines of Intel CPUs

    If you study the scheme above, you see the development from Intel coming in three "lines". Each line will be developed independently:

    Market segment Processor line
    CPU speed
    Bus Speed/
    Front Side Bus speed
    Number of CPUs
    in system
    The consumer
    Socketed Celeron
    566-1200
    66/100 MHz
    1
    The professional Pentium III
    Pentium 4
    733-1400 MHz
    100/133 MHz
    or 400 MHz
    1 or 2
    The server Xeon
    Tanner
    (Cascades)
    600 - 1200 MHz
    100/133 MHz
    or 400 MHz
    4


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    Learn more

    Read about drives in module 4a

    Read about chip sets on the motherboard in module 2d

    Read more about RAM in module 2e

    Read module 5a about expansion cards, where we evaluate the I/O buses from the port side.

    Read module 5b about AGP and module 5c about Firewire.

    Read module 7a about monitors, and 7b on graphics card.

    Read module 7c about sound cards, and 7d on digital sound and music.

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