Author: Keith Evans
Date: 16:00:28 04/28/03
Go up one level in this thread
On April 28, 2003 at 18:46:24, Jeremiah Penery wrote: >On April 28, 2003 at 15:04:58, Keith Evans wrote: > >>On April 27, 2003 at 10:40:10, Aaron Gordon wrote: >> >>>>>timings, the ram would be still running UNDER spec. If you'd like to see for >>>>>yourself, here is the PC2400XMS CL2 datasheet from Corsair. >>>>> >>>>>http://www.corsairmicro.com/main/products/specs/cm64sd256.pdf >>>>> >>>>>The numbers off of the dimm = CM64SD256-2400C2 >>>>> >>>>>If for some reason you'd like to see the DIMM, go here.. >>>>>http://www.newageoc.com/pics2/corsair2400cl2.jpg >>>> >>>>Then the question remains, why did the manager apparently believe that something >>>>would be operating out of spec? That corsair datasheet doesn't have enough >>>>detail. See page 50 and associated diagrams in the following: >>>> >>>>http://download.micron.com/pdf/datasheets/dram/128Mx4x8x16DDR_D.pdf >>> >>>Running 150MHz CL2 ram at 133MHz CL2 isn't going to put it out of spec. >> >>Looking at the JPEG that you posted it looks like the part number for the Micron >>DDR SDRAM is 46V16M8-75B. Without any "Z" after the "75". >> >>That part is not rated for 133 MHz CL2 operation, you need to run it with CL=2.5 >>for 133 MHz. If you want CL=2 then lower the frequency to 100 MHz. >> >>This is from the cover sheet of the Micron specification which I posted. >> >>If there is a "Z" on the package after the "75" that I missed, then I agree with >>you. > >Corsair is not Micron. Their datasheets are not the same. Take a look at the JPEG file that he provided <http://www.newageoc.com/pics2/corsair2400cl2.jpg> - it's Micron RAM. Therefore the best place to go for information is Micron.
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