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  1. #1
    Member KeeperOfSecrets's Avatar
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    Mar 2003
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    Perth, Australia
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    XP overclocking chart.

    I just made an overclocking chart for myself and though it may be useful for others, this chart is to help w/ overclocking XP chips eg. if you wanted a 2.4GHz speed you can look it up on the chart : 156x15.5=2418 PCI bus=39 DDR=312Mhz or 185x13 PCI bus 37 DDR=370Mhz.........so here it is.
    Note :
    1. I have an asus a7v8x motherboard so this chart is thus orinetated, though it *should* work for all KT400 mb's (and those w/ NF2 chipset).
    2. For DDR speed PC3200 max = 400, PC2700 max = 333. The info on the chart is useful for seeing if faster RAM will help with a higher overclock eg. If you want 175 CPU FSB your RAM speed will be 350 MHz (1:1 ratio) and thus PC2700 will 'hold you back'.
    3. This thread will also be posted in ASUS MB's section of these forums due to its relevance to both MB's and CPU's.
    4. chart was made in excel but is a bit messed up here due to this text box not being able to expand sideways (only downwards) just count how many rows down the number is and you can equate it with a value the same no. of rows down.
    5. The colums are : CPU FSB, PCI/AGP FSB after divider, DDR speed @ this FSB (1:1 ratio) and CPU speed (MHz) at certain multipliers (13-19 for low FSB's, 12-15 for high FSB's......all in 0.5x increments).
    6. several speeds w/ xxxx.5 had to be rounded up due to space constraints.
    7. CPU FSB's may not be exact in *real life* eg. 132 and 165 FSB's are more commonly 133 and 166.

    CPU FSB, PCI/AGP bus, DDR Speed, 15x, 15.5x
    132 33 264 1980 2046
    136 34 272 2040 2108
    140 35 280 2100 2170
    144 36 288 2160 2232
    148 37 296 2220 2294
    152 38 304 2280 2356
    156 39 312 2340 2418

    16x, 16.5x, 17x, 17.5x, 18x, 18.5x, 19x
    2112 2178 2244 2310 2376 2442 2508
    2170 2244 2312 2380 2448 2516 2584
    2240 2310 2380 2450 2520 2590 2660
    2304 2376 2448 2520 2592 2664 2736
    2368 2442 2516 2590 2664 2738 2812
    2432 2508 2584 2660 2736 2812 2888
    2496 2574 2652 2730 2808 2886 2964

    1/5 divider kicks in @ 160 CPU FSB (on A7V8X).

    CPU FSB, PCI/AGP bus, DDR Speed, 12x, 12.5x
    160 32 320 1920 2000
    165 33 330 1980 2063
    170 34 340 2040 2125
    175 35 350 2100 2188
    180 36 360 2160 2250
    185 37 370 2220 2313
    190 38 380 2280 2375
    195 39 390 2340 2438
    200 40 400 2400 2500

    13x, 13.5x, 14x, 14.5x, 15x
    2080 2160 2240 2320 2400
    2145 2228 2310 2393 2475
    2210 2295 2380 2465 2550
    2275 2363 2450 2538 2625
    2340 2430 2520 2610 2700
    2405 2498 2590 2683 2775
    2470 2565 2660 2755 2850
    2535 2633 2730 2828 2925
    2600 2700 2800 2900 3000

  2. #2
    Member R4z0r4mu5 Pr|m3's Avatar
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    Oct 2002
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    nice, interesting...

  3. #3
    Member KeeperOfSecrets's Avatar
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    Mar 2003
    Location
    Perth, Australia
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    CHECK V2

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