uOpt
11-18-2005, 05:01 PM
If you try to find suitable LDT frequencies to drive both your CPU and your memory to the maximum they can, this might help you.
http://cracauer-forum.cons.org/forum/apps/overclocking-dividers.php
You give it the maximum frequencies you know your CPU and memory do, and it gives back a list of suggested LDTs and dividers that come close to both frequencies.
Example:
- I know my CPU does 3077 MHz
- I know my memory does 245 MHz
But what LDT and dividers to use?
http://cracauer-forum.cons.org/forum/apps/overclocking-dividers.php?mincpu=3000&maxcpu=3077&minmem=227&maxmem=245&maxldt=400&maxcpumulti=12&sort_by=closeness
This is the result table. There's some weighting going on between CPU frequency and memory frequency. Normally it weights CPU frequency much more but the one result which maxes out memory frequency also pops up as one of the first.<table border="1" cellpadding="3" cellspacing="2">
<tbody><tr>
<th>LDT frequency</th>
<th>CPU multi</th>
<th>Memory speed</th>
<th>Resulting CPU clock</th>
<th>Resulting memory clock</th>
<th>Result quality</th></tr><tr><td>279</td><td>11</td><td>DDR333</td><td>3069</td><td>232</td><td>3.94</td></tr>
<tr><td>384</td><td>8</td><td>DDR240</td><td>3072</td><td>230</td><td>3.93</td></tr>
<tr><td>256</td><td>12</td><td>DDR360</td><td>3072</td><td>230</td><td>3.93</td></tr>
<tr><td>307</td><td>10</td><td>DDR300</td><td>3070</td><td>230</td><td>3.93</td></tr>
<tr><td>273</td><td>11</td><td>DDR360</td><td>3003</td><td>245</td><td>3.93</td></tr>
<tr><td>278</td><td>11</td><td>DDR333</td><td>3058</td><td>231</td><td>3.92</td></tr>
<tr><td>383</td><td>8</td><td>DDR240</td><td>3064</td><td>229</td><td>3.92</td></tr>
<tr><td>306</td><td>10</td><td>DDR300</td><td>3060</td><td>229</td><td>3.92</td></tr>
<tr><td>255</td><td>12</td><td>DDR360</td><td>3060</td><td>229</td><td>3.92</td></tr>
<tr><td>382</td><td>8</td><td>DDR240</td><td>3056</td><td>229</td><td>3.91</td></tr>
<tr><td>277</td><td>11</td><td>DDR333</td><td>3047</td><td>230</td><td>3.91</td></tr>
<tr><td>305</td><td>10</td><td>DDR300</td><td>3050</td><td>228</td><td>3.90</td></tr>
<tr><td>381</td><td>8</td><td>DDR240</td><td>3048</td><td>228</td><td>3.90</td></tr>
<tr><td>254</td><td>12</td><td>DDR360</td><td>3048</td><td>228</td><td>3.90</td></tr>
<tr><td>276</td><td>11</td><td>DDR333</td><td>3036</td><td>229</td><td>3.89</td></tr>
<tr><td>304</td><td>10</td><td>DDR300</td><td>3040</td><td>228</td><td>3.89</td></tr>
<tr><td>380</td><td>8</td><td>DDR240</td><td>3040</td><td>228</td><td>3.89</td></tr>
<tr><td>253</td><td>12</td><td>DDR360</td><td>3036</td><td>227</td><td>3.89</td></tr>
<tr><td>379</td><td>8</td><td>DDR240</td><td>3032</td><td>227</td><td>3.88</td></tr>
<tr><td>303</td><td>10</td><td>DDR300</td><td>3030</td><td>227</td><td>3.88</td></tr>
<tr><td>275</td><td>11</td><td>DDR333</td><td>3025</td><td>228</td><td>3.88</td></tr>
<tr><td>274</td><td>11</td><td>DDR333</td><td>3014</td><td>228</td><td>3.87</td></tr>
<tr><td>273</td><td>11</td><td>DDR333</td><td>3003</td><td>227</td><td>3.85</td></tr>
</tbody></table>
Please let me know if you find problems with this.
http://cracauer-forum.cons.org/forum/apps/overclocking-dividers.php
You give it the maximum frequencies you know your CPU and memory do, and it gives back a list of suggested LDTs and dividers that come close to both frequencies.
Example:
- I know my CPU does 3077 MHz
- I know my memory does 245 MHz
But what LDT and dividers to use?
http://cracauer-forum.cons.org/forum/apps/overclocking-dividers.php?mincpu=3000&maxcpu=3077&minmem=227&maxmem=245&maxldt=400&maxcpumulti=12&sort_by=closeness
This is the result table. There's some weighting going on between CPU frequency and memory frequency. Normally it weights CPU frequency much more but the one result which maxes out memory frequency also pops up as one of the first.<table border="1" cellpadding="3" cellspacing="2">
<tbody><tr>
<th>LDT frequency</th>
<th>CPU multi</th>
<th>Memory speed</th>
<th>Resulting CPU clock</th>
<th>Resulting memory clock</th>
<th>Result quality</th></tr><tr><td>279</td><td>11</td><td>DDR333</td><td>3069</td><td>232</td><td>3.94</td></tr>
<tr><td>384</td><td>8</td><td>DDR240</td><td>3072</td><td>230</td><td>3.93</td></tr>
<tr><td>256</td><td>12</td><td>DDR360</td><td>3072</td><td>230</td><td>3.93</td></tr>
<tr><td>307</td><td>10</td><td>DDR300</td><td>3070</td><td>230</td><td>3.93</td></tr>
<tr><td>273</td><td>11</td><td>DDR360</td><td>3003</td><td>245</td><td>3.93</td></tr>
<tr><td>278</td><td>11</td><td>DDR333</td><td>3058</td><td>231</td><td>3.92</td></tr>
<tr><td>383</td><td>8</td><td>DDR240</td><td>3064</td><td>229</td><td>3.92</td></tr>
<tr><td>306</td><td>10</td><td>DDR300</td><td>3060</td><td>229</td><td>3.92</td></tr>
<tr><td>255</td><td>12</td><td>DDR360</td><td>3060</td><td>229</td><td>3.92</td></tr>
<tr><td>382</td><td>8</td><td>DDR240</td><td>3056</td><td>229</td><td>3.91</td></tr>
<tr><td>277</td><td>11</td><td>DDR333</td><td>3047</td><td>230</td><td>3.91</td></tr>
<tr><td>305</td><td>10</td><td>DDR300</td><td>3050</td><td>228</td><td>3.90</td></tr>
<tr><td>381</td><td>8</td><td>DDR240</td><td>3048</td><td>228</td><td>3.90</td></tr>
<tr><td>254</td><td>12</td><td>DDR360</td><td>3048</td><td>228</td><td>3.90</td></tr>
<tr><td>276</td><td>11</td><td>DDR333</td><td>3036</td><td>229</td><td>3.89</td></tr>
<tr><td>304</td><td>10</td><td>DDR300</td><td>3040</td><td>228</td><td>3.89</td></tr>
<tr><td>380</td><td>8</td><td>DDR240</td><td>3040</td><td>228</td><td>3.89</td></tr>
<tr><td>253</td><td>12</td><td>DDR360</td><td>3036</td><td>227</td><td>3.89</td></tr>
<tr><td>379</td><td>8</td><td>DDR240</td><td>3032</td><td>227</td><td>3.88</td></tr>
<tr><td>303</td><td>10</td><td>DDR300</td><td>3030</td><td>227</td><td>3.88</td></tr>
<tr><td>275</td><td>11</td><td>DDR333</td><td>3025</td><td>228</td><td>3.88</td></tr>
<tr><td>274</td><td>11</td><td>DDR333</td><td>3014</td><td>228</td><td>3.87</td></tr>
<tr><td>273</td><td>11</td><td>DDR333</td><td>3003</td><td>227</td><td>3.85</td></tr>
</tbody></table>
Please let me know if you find problems with this.