Article View: comp.sys.amiga.tech
Article #9344SCSI vs. ST506, and DMA
From: Robert Reynolds
Date: Fri, 22 Jul 1988 14:21
Date: Fri, 22 Jul 1988 14:21
25 lines
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1432 bytes
There seem to be two kinds of hard disk controller for the Amiga: SCSI and ST506. I've been told that SCSI has a much greater transfer rate than does 506, but that I'm unlikely to see much benefit from that unless I have a controller with DMA. Apparently there aren't any 1000 controllers with DMA? But there are a number of companies working on expansion boxes for the 1000 that will accept A2000 cards. I'd like any information you care to provide on this whole situation, but particularly: Are there really no SCSI controllers with DMA for the 1000? Why not? Will 2000-compatible cards plugged into the new expansion boxes be "crippled" somehow because they're not really directly on a 2000 bus? (And if not, I really don't understand why somebody hasn't done one directly for the 1000.) Thanks for any info or discussion you can provide. -- Robert Reynolds uucp: ... !gatech!hubcap!robert CS Dept, Clemson Univ. ARPA: ROBERT@TECNET-CLEMSON.ARPA phone: (803) 656-5884 inet: robert@hubcap.clemson.edu
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!water!watmath!clyde!att!pacbell!ames!mailrus!uflorida!gatech!hubcap!robert From: robert@hubcap.UUCP (Robert Reynolds) Newsgroups: comp.sys.amiga.tech Subject: SCSI vs. ST506, and DMA Keywords: SCSI ST506 HD DMA Message-ID: <2268@hubcap.UUCP> Date: 22 Jul 88 14:21:51 GMT Organization: Clemson University, Clemson, SC Lines: 25