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In Reply to: RE: cMP - the open source high-end Memory Player posted by cics on December 30, 2007 at 05:42:01
dear forum
I´m tempted to play around with other RAM timings but I´m not sure how to begin.
using a single module 1GB Mushkin XP8500 set on auto in bios. CPUZ says 4-3-3-15 (tRFC 16) and command rate 2T.
FSB/ DRAM is 1:1 @ 197 MHz
where to begin and what to watch out for ?
kind regards
Follow Ups:
sorry dear forum.....!
-it was not my intention to mesmerize everyone on this previous question.
two weeks and absolutely no reply is just a little...eh, surprising ???
is there really no one who have battled with RAM timings ?
I was only curious to know a little of what to expect.
-which manual setting is kind of safe ?
-which setting is not to be touched ?
-which setting is dependent on the other ?
-whats the likely outcome of a wrong setting ? (does it all blow up ?)
please share your thoughts !
Please share your thoughts !
The topic has already been aired at length without firm conclusions being drawn.
I don't want to get into another polemic with the hard-core bits-is-bits mob but some good points (and some pretty dumb ones) were made on these two threads, one of which you started.
http://www.audioasylum.com/cgi/t.mpl?f=pcaudio&m=60220
http://www.audioasylum.com/cgi/t.mpl?f=pcaudio&m=44161
There's other relevant posts, I'm sure. My advice FWIW would be to start with (1) an archive search and (2) as low a latency device as your motherboard supports (making sure it's a good make).
You can them experiment with timings if you wish. If your motherboard supports various BIOS settings (as e.g. the Gigabyte boards do), recovering from over-optimistic tweaking is easy.
I'm convinced that RAM quality and settings do affect sound quality (for non-controversial engineering reasons) but it can be a hit-and-miss business finding what's best.
HTH
Dave
hey ryelands,
thank you very much for your reply. I was almost getting paranoid as whether I´ve been fallen out of favour on this forum....:-)
I have indeed crossed through the issue, but was still not really confident enough to execute a change in bios. maybe it was just a tad of encouragement I was seeking....
I must confess I´m really happy with my cMP2 rig now and playing around with RAM timings without knowing what could happen .....a complete breakdown of the data stream "could" push some strange noise into the system....and goodbye dear ribbon tweeters.
(mind, I do connect my 2000 watt poweramps directly from the soundcard.....)
happy new year !
I must confess I´m really happy with my cMP2 rig now
As American technicians say, "If it ain't broke . . . "
and playing around with RAM timings without knowing what could happen
If you go too far, your system will not boot up - it will fail the POST. Once you boot up, the chances of a "data stream" generating new sounds seems pretty slim.
After all, Bits- IS -mostly-bits , it's just that when converting from a computer's Digital to the real world's Analogue, the concept is no longer entirely adequate. Electrical activity associated with operating RAM might very slightly affect the (real-time) transfer of data to a DAC by perceptibly modulating the PS.
That doesn't mean it definitely does but, at least as I see it, that's the theory. Why (some) programmers and others find that so hard to grasp baffles me given how jolly clever they are.
(mind, I do connect my 2000 watt poweramps directly from the soundcard.....)
I hope you don't design medical electronics for a living. What on earth do you need 2KW amps for?
Surrogate Steve
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