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I've always been told that a HD will run slower if it's on the same IDE cable as a CD/DVD drive. How slow are we talking?
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Because an IDE bus can only handle one request/response at a time, any request to any target ties up that channel until the target responds. The difference with optical drives is that their response time is much slower than hard drives. Drivers and apps can use asynchronous techniques to minimize spin up and seek blocking but without a huge cache they'll never match the response times of hard drives.
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There are a vast number of people who are uninformed and heavily propagandized, but fundamentally decent. The propaganda that inundates them is effective when unchallenged, but much of it goes only skin deep. If they can be brought to raise questions and apply their decent instincts and basic intelligence, many people quickly escape the confines of the doctrinal system and are willing to do something to help others who are really suffering and oppressed." -Manufacturing Consent: Noam Chomsky and the Media, p. 195
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