Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!cs.utexas.edu!ut-emx!dell!sauer From: sauer@dell.dell.com (Charlie Sauer) Newsgroups: comp.arch Subject: Re: DMA on RISC-based systems Message-ID: <1443@dell.dell.com> Date: 5 Jun 89 15:53:04 GMT References: <46500067@uxe.cso.uiuc.edu> <28200325@mcdurb> <2819@scolex.sco.COM> <1429@dell.dell.com> <2822@scolex.sco.COM> Reply-To: sauer@dell.UUCP (Charlie Sauer, ) Organization: Dell Computer Corp., Austin, Tx. Lines: 16 In article <2822@scolex.sco.COM> seanf@scolex.UUCP (Sean Fagan) writes: >For all intents and purposes, they're the same machine. However, the 760 is >*much* faster than the 6600 (the 760 is the second fastest 170 machine; the >fastest being one that has 2 processors and an extra 3 bits of addressing >[for the OS, not user]). I know I was being picky, but since I'm stuck in that vein, let me offer a slightly more substantive quibble, slightly more relevant to the original topic reflected in the subject line: Isn't it true that the 6600 and the 7600 differed in that the PP's were all peers in the 6600 but the 7600 had one PP that had authority over the others? -- Charlie Sauer Dell Computer Corp. !'s:cs.utexas.edu!dell!sauer 9505 Arboretum Blvd @'s:sauer@dell.com Austin, TX 78759-7299 (512) 343-3310