> Morten Nilsen, 04.05.2006 09:47: >> Vidar Tyldum Hansen wrote: >>> I have noticed that at least HP is now using round SCSI-cables in some >>> of their servers, but how that relates to IDE I do not know. >> >> quite differently.. scsi (at least the more modern/faster ones) use >> twisted pair, and crosstalk is not such a big problem as it is with >> ide.. and scsi cables are terminated, which is a factor in the round vs >> flat cables concern, afaik.. >> > > Quote from the article you presented: >> When it comes to rounded cables help to cool your computer case. No >> they do not. If your case is badly ventilated or cooled in the first >> place then no amount of rounded cables will make any difference >> whatsoever. > > It's nice to see them talk about oscillators and stuff, but when they > fail to acknowledge the presence of aerodynamics they lose all > credibility in my book. > > The shielded rounded cables are usually twisted pair too, and should be > better protected from the pollution that *really* matters: fans and > powercables.
When it comes to IDE, twisted pair makes no sence, as the signal lines are not balanced, the extra ground line is for shielding only. > I'm not saying either one is better, I'm just saying the difference is > too small to matter, at least when comparing to the noise the cable is > presented with from other sources than crosstalk. With SCSI cables, I agree. -- Ariën Huisken _______________________________________________ tsl-discuss mailing list [email protected] http://lists.trustix.org/mailman/listinfo/tsl-discuss
