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ide channel

Hi. How do I check to see if my cd/rw [on secondary ide] is using the samr channel has my hard drive. And if it is, would this cause the cdr/w to occassionly hiccup during mpeg playback.
Thanks
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filmbuff
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filmbuff
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1 Solution
 
jhanceCommented:
If the problem is intermittent, then there is NOT a conflict.  If you have two devices on the same IDE channel both set to either MASTER or SLAVE, then neither will work at all.

In most cases, hiccups during MPEG playback are due to problems with the system being busy or lacking sufficient performance.  Make sure you have enough horsepower and that you aren't running things that suck up a lot of CPU or IO bandwidth.
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filmbuffAuthor Commented:
Hi jhance. here is the problem, if it is even a problem. I downloaded an mpeg to a cdrom on my new hp cdr/d.
When I play it back through the cdr/w it for the most part plays fine. Their is an occassional pause or hiccup, onle for a split second. This does not happen every time. when I play the same mpeg, om the same cdrom on my regular cdrom drive, it seems to occur less. Both are on their own ide controllers , both are masters and both are 24x speed. This does not really bother me except I just want to be sure my cdr/w drive is not faulty. Every audio cd or game i burned has been fine.
Thanks
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filmbuffAuthor Commented:
One other thing jahnce. The people at HP were clueless. Never heard of this and said drive  should always run smoothly
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jhanceCommented:
If it were faulty, it likely wouldn't work at all or would work very poorly.

What are the specs on your system?  MPEG processing doesn't leave much slack for alowing other things to run and if there is not many CPU cycles in reserve, you get the dropouts.
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filmbuffAuthor Commented:
Its a cyrix 300 win98 64 meg ram. Why would it work better on my cdrom drive.? could my cdr/w be connected to the same ide channel has my hard drive? does a cdr/w by nature because of all the reading it does make this more likely to occur than the reg. cdrom drive? Again, i want to point out it is not a big deal and maybe I am over reacting. My main concren is that the new drive is okay. I can live with the other stuff.
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jhanceCommented:
The Cyrix 300 should be able to do this.  As to why it works better on the CDROM?  It may be that the CDROM has a larger read buffer than the CD/RW. Also, if the CD/RW is on the secondary IDE channel, it runs at a lower priority level than the primary IDE channel.  So if both are busy, the secondary gets serviced last.
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filmbuffAuthor Commented:
jhance. One more question and I will wrap this up. Does it seem likely that the new hp 8200i drive would have a smaller read buffer than my cdrom which is a cheap generic drive.
Bottom line. do you think My cdr/w drive is okay?
Thanks for your help
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jhanceCommented:
If you check the specs, you'll find that read buffer sizes are all over the map.  In my opinion, manufacturers use the smallest size they think they can get away with.

Bottom line?  I think your drive is OK based on the symptoms.  A randomly occuring "hiccup" is not uncommon for an IDE based drive.
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