Date: Tue, 16 Apr 1996 08:13:34 -0500 (CDT) From: "Jay L. West" <jlwest@tseinc.com> To: freebsd-questions@freebsd.org Subject: adaptec 1522 support Message-ID: <199604161313.IAA02239@bsd.tseinc.com>
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I'm using an adaptec aha-1522a controller for a 4mm tape backup (disks are ide). I noticed in the 'controller aic....' that no dma channel is specified, thus I suspect the controller is 'throughput challenged'. I then saw the handbook mentions that controller with the text '(SLOW!)' appended <grin>. Backup speed isn't that important on this system but I don't know what they mean by 'slow'. Does anyone have comparative info say between a 1522 and 1542? Is it slow in relative terms or 'brutally unusably slow' <grin>? Anyone have any advice/input on this? Jay West
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