Hd sharing with dvd slower performance?

luminous

luminous

luminous

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Edinburgh
Settle an argument with myself :).
While studying A+ teacher said that its best not to share a hd on an ide cable slaved to a dvd because the transfer speeds will default to slowest (being dvd which is 33 instead of typical ata 100).
I have 3 pata hds (not swapping to sata till they give out) so don`t have much of a choice sharing one.
On this 3rd one sharing with dvdrw i have put another os and my music recording partition/apps on it.
I`ve read here and elsewhere folks say it doesn`t make much of a difference.
I know i could have put it on other hd but this has more space,some of the vstis take 29gb by themselves!.
Also if i disconnected dvd from ide cable before working on partition would it be better?
Sooo the question is this going to slow it down,and under what circumstances?.
Interested to see what folks think.
 
It used to be the case I think but your teacher is probably 5+ years out of date, since 80 strand cables came in(and possibly it never has) it hasn't mattered whether you put 'fast' and 'slow' devices on one chain. Obviously while one device is sending data the other has to wait but that isn't your teachers point as I understand it. Ideally I'd prefer to be using SATA as each drive has it's own dedicated channel but that is another point entirely :)
 
its only transfer to/from 2 defices on the same cable that suffers. Not because they both default to the slowest speed, but becasue you cant read and write to both at the same time as semi-pro explained. Id be inclined to say he was closer to 10 years too late - i remember haveing two devices defult to their correct speeds when i had my pII-350
 
Ah so its only for example when data is being written/transferred on dvd,not for say transferring from hd to hd drive(that dvd being on same channel as transfer slows up).
Well thanks for clearing that up,that one bugged me he made it sound mistakewise on a par with sticking your head in a live psu after a jog in a wooly jumper :D .
He`s a nice bloke,64 and still enthusiastic which i admire him for,but i doubt any of the older techs are that up on new technology.
My funding came through late so had to give up course and was kind of glad i had trouble staying awake.
 
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