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Technology Stocks : Disk Drive Sector Discussion Forum -- Ignore unavailable to you. Want to Upgrade?

To: Gottfried who wrote (3323)	5/13/1998 3:19:00 PM
From: Chuck Bleakney	Respond to of 9256

Soft error rates have gone up with each new generation, so error correction techniques have had to improve as well to keep up with them. It come's down to what you can guarantee and to find a way to reach that guarantee with enough margin. It is a true dilemma to find a universal system to compare drives from different manufacturers against one another and come out with a clear winner. Just like investing...

To: Gottfried who wrote (3323)	5/13/1998 9:15:00 PM
From: Stitch	Read Replies (1) \| Respond to of 9256

GM, I have had a bit of experience re: soft error detection, correction codes, hard errors etc. I am fascinated by the internal methods of determining and negotiating soft error budgets. I know you know what I mean. It is quite an interesting lesson on various performance criteria to hear a channel guy negotiate with a media guy and a head guy in the same room re: error budgets. The fact that it doesn't become a donnybrook is a testament to the intrinsic civility of mankind. However, it isn't always civil. I was a bystander (totally innocent mind you) when a head engineer threw a specification (all seven pounds of it) at a manufacturing engineer during a meeting at a nameless account. I have also been witness to a situation where hard error mapping criteria were tweaked at final to temporarily boost yields. Half of the margin was sacrificed to make shipments. How those shipments didn't come back, while the org's collective hair turned white, is a story in itself. <G> But then you never saw any of this kind of thing in all your years right? <GGG> Best, Stitch