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  1. #1

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    Re: Terms and Definitions

    ATHLON PROCESSOR SPEEDS

    Socket A

    Thunderbird (0.18um) 100(133)/200(266)MHz FSB
    Athlon (Thunderbird) 1.2G 100 12
    Athlon (Thunderbird) 1.2G 133 9
    Athlon (Thunderbird) 1.3G 100 13
    Athlon (Thunderbird) 1.33G 133 10
    Athlon (Thunderbird) 1.4G 100 14
    Athlon (Thunderbird) 1.4G 133 10.5

    Palomino (0.18u) 133/266MHz FSB
    AthlonXP 1500+ 133 10
    AthlonXP 1600+ 133 10.5
    AthlonXP 1700+ 133 11
    AthlonXP 1800+ 133 11.5
    AthlonXP 1900+ 133 12
    AthlonXP 2000+ 133 12.5
    AthlonXP 2100+ 133 13

    Thoroughbred (0.13u) 133/266MHz FSB
    AthlonXP 1700+ 133 11
    AthlonXP 1800+ 133 11.5
    AthlonXP 1900+ 133 12
    AthlonXP 2000+ 133 12.5
    AthlonXP 2100+ 133 13
    AthlonXP 2200+ 133 13.5
    AthlonXP 2400+ 133 15
    AthlonXP 2600+ 133 16

    Thoroughbred (0.13u) 166/333MHz FSB
    AthlonXP 2600+ 166 12.5
    AthlonXP 2800+ 166 13

    Barton (0.13u) 166/333MHz FSB 512KB L2 Cache
    AthlonXP 2500+ 166 11
    AthlonXP 2800+ 166 12.5
    AthlonXP 3000+ 166 13

    Barton (0.13u) 200/400MHz FSB 512KB L2 Cache
    AthlonXP 3000+ 200 10.5
    AthlonXP 3200+ 200 11

    *****Thanks Beep and MSI's Website*****

    Edited/updated by Overlag......

    Socket 754, Single channel DDR

    Clawhammer (0.13nm) 200fsb/800fsb 1mb cache
    Athlon64 3000+ 200 x9 (VERY RARE)
    Athlon64 3200+ 200 x10
    Athlon64 3200+ 200 x11

    Winchester (0.13nm) 200fsb/800fsb 512kb cache
    Athlon64 2800+ 200 x9
    Athlon64 3000+ 200 x10

    Socket 940, Dual channel Registerd DDR

    Sledgehammer (0.13nm) 200fsb/800fsb 1mb cache
    FX-51 200 x11
    FX-53 200 x12

    **Opteron 140 200 x7 *
    Opteron 142 200 x8 *
    Opteron 144 200 x9 *
    Opteron 146 200 x10
    Opteron 148 200 x11

    * Early Opterons only supported 166fsb/Dual channel Registerd PC2700 (offically supported) all Latest models support 200fsb/Dual Channel Registerd PC3200.

    ** naming sceme is for servers 1XX cpus = single CPU, 2XX CPU = upto dual, 8XX upto 8 CPU's (rare support). For instance a 244 CPU is a 1800mhz chip supporting SMP of 2 CPU's
    Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -Albert Einstein
    The two most common elements in the universe are Hydrogen and stupidity. -Harlan Ellison

    If all else fails: "rm -rf /"

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  3. #2

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    Re: Terms and Definitions

    RADEON CORES and CLOCKS

    VE.........RV100....183
    SDR.......Rage6c...166
    LE..........Rage6c...148
    DDR.......Rage6c...166/183
    7000......RV100....183
    7200......Rage6c...166
    7500......RV200....290 230
    8500......R200.......275
    8500le....R200.......250
    9000......RV250.....275
    9000pro..RV200.....275
    9100......R200........275/550
    9200......RV280......
    9200pro..RV280.....
    9500......R300........275/540
    9500pro..R300.......275/540
    9600.......RV350.....325/200
    9600pro..RV350.....400/300
    9700.......R300......275/540
    9700pro..R300.......325/620
    9800pro..R350.......380/680

    memory speeds listed only if different than core.
    Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -Albert Einstein
    The two most common elements in the universe are Hydrogen and stupidity. -Harlan Ellison

    If all else fails: "rm -rf /"

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  5. #3

    =DdogG='s Avatar

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    Re: Terms and Definitions

    MEMORY TIMINGS

    CL is CAS Latency.
    tCAC is Column Access Time.
    tCLK is Length of Clock Cycle.
    RAS* - Row Access Strobe
    CAS* - Column Access Strobe
    tRCD - Time between RAS and CAS access.
    tRP - Time to switch between memory banks.
    tAC - Time to prepare for output.
    *RAS and CAS are normally written with a line across the top.

    CAS Latency is a number that refers to the ratio - rounded to the next higher whole number - between column access time and the clock cycle time. It is derived from dividing the column access time by the clock frequency, and raising the result to the next whole number. This formula is:

    CL >= tCAC / tCLK

    Often, DRAM modules are defined by three numbers, such as 2-2-2 or 3-2-2. The first number refers to CAS Latency, the second to tRP, and the third to tRCD. Note that these numbers mean different things for different bus speeds. Following is an example of calculating these numbers for 100 Mhz. (1 clock cycle = 10 ns.):

    tCAC = 25 ns. 25 / 10 = 2.5 - round up to 3 3-2-2
    tRP = 20 ns. 20 / 10 = 2
    tRCD = 20 ns. 20 / 10 = 2


    CAS3 means, at 100 Mhz.= that the amount of time required for the first memory access in a burst is increased by less than 10 ns. Divide that by 4, to average the increased time across four bursts, and you have an improvement of less than 2.5 ns. over CAS2. However, if you are considering overclocking the bus, then it could be critical.

    CAS Latency and Overclocking
    To overclock the bus, you must be sure that the memory can handle it. In this case, youíll need to make assumptions about tCAC, unless the manufacturer provides it, which is highly unlikely. You can, however, infer it from tCLK, as defined by the bus speed, and the CAS Latency of the SDRAM. Take, for example, SDRAM with CAS Latency of 2 on a 66 Mhz. board.

    1 / 66,000,000 hz. = 15.1 ns.
    CL >= tCAC / tCLK

    2 >= tCAC / 15.1 ns.
    tCAC <= 30.2 ns.
    Because the SDRAM specification calls for a maximum CAS Latency of 3, the worst-case scenario for overclocking to 83 Mhz. is:
    1 / 83,000,000 hz. = 12.0 ns.
    3 >= tCAC / 12.0 ns.
    tCAC <= 36.0 ns.
    Thus, in this example, the difference between the slowest possible column access time, 30.2 ns., and the maximum time allowed by the SDRAM specification, 36.0 ns., is 5.8 ns. Obviously, this isnít a large gap. If the memory module is made by a reputable manufacturer - which can generally be determined by whether the name is stamped on the module - then the odds that it is overclockable from 66 Mhz. to 83 Mhz. are good. Of course, if you can get the tCAC from the manufacturer, you can be certain.

    http://www.sysopt.com/articles/latency/
    Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -Albert Einstein
    The two most common elements in the universe are Hydrogen and stupidity. -Harlan Ellison

    If all else fails: "rm -rf /"

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  7. #4

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    Re: Terms and Definitions

    DDR TIMINGS

    pc3700 /8 = 466mhz /2 = 233fsb
    pc3500 /8 = 433mhz /2 = 217fsb
    pc3200 /8 = 400mhz /2 = 200fsb
    pc3000 /8 = 366mhz /2 = 183fsb
    pc2700 /8 = 333mhz /2 = 166fsb
    pc2400 /8 = 300mhz /2 = 150fsb
    pc2100 /8 = 266mhz /2 = 133fsb
    pc1600 /8 = 200mhz /2 = 100fsb
    Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -Albert Einstein
    The two most common elements in the universe are Hydrogen and stupidity. -Harlan Ellison

    If all else fails: "rm -rf /"

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  9. #5

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    Re: Terms and Definitions

    SCREEN RESOLUTIONS

    ----VGA --- Video Graphics Array ---------------------------640x480
    ---SVGA --- Super Video Graphics Array ---------------------800x600
    ----XGA --- Extended Graphics Array -----------------------1024x768
    -W-XGA --- Wide Extended Graphics Array ------------------1366x768
    ---SXGA --- Super Extended Graphics Array -----------------1280x1024
    ---UXGA --- Ultra Extended Graphics Array ------------------1600x1200
    W-UXGA --- Wide Ultra Extended Graphics Array -------------1920x1200
    Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -Albert Einstein
    The two most common elements in the universe are Hydrogen and stupidity. -Harlan Ellison

    If all else fails: "rm -rf /"

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