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Article #625551Re: changing architectures [was Re: PDP-10 addressing, PDP 11/40 system manual]
From: terry-...
Date: Tue, 14 Aug 2018 03:47
Date: Tue, 14 Aug 2018 03:47
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3261 bytes
On Monday, August 13, 2018 at 3:48:10 PM UTC-4, Rich Alderson wrote: > Most PDP-10 customers (where that's a cover term for the entire line) were so > pissed at Digital for the Jupiter cancellation that when they moved off of the > 36-bit architecture, they went with anything available which wasn't a Digital > product. I remember talking to a fellow system administrator at another university who said they were going to an entirely Unix-based environment. When I asked why, he replied "We will have a large choice of which vendor we want to be screwed by". OTOH, if Jupiter had delivered, my understanding (from the far outside) is that it would have been rather late, unacceptably slow, and extremely non-price-competitive. Wasn't Jupiter from the (approximately) same part of DEC that produced the VAX 86x0 (missed its performance goals, shipped late) and 8650 (fixing the few remaining problems that cause the 8600 to not operate at the design speed)? And the 8670, which should have been the "mid-life kicker" upgrade for the 8600, assuming it shipped at the design speed? And the same (approximate) group that brought us the VAX 9000 family (repeat mantra of late, slow, expensive)? It would seem in retrospect that the best thing to do would be to give the Jupiter group some sort of award and stick them in another building where they couldn't do any harm, and then make a deal with one of the many non-DEC vendors that already had fast systems. I know the second part (make a deal with a non-DEC vendor) got at least to the discussion phase, as the meeting minutes are over on Bitsavers.
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