Date: Thu, 25 Apr 1996 22:55:15 -0700 From: David Greenman <davidg@Root.COM> To: Mostyn/Annabella <mrl@teleport.com> Cc: questions@freebsd.org Subject: Re: bounce buffers Message-ID: <199604260555.WAA00369@Root.COM> In-Reply-To: Your message of "Thu, 25 Apr 1996 22:47:36 PDT." <199604260547.WAA07623@linda.teleport.com>
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>> > Under what circumstances are bounce buffers indicated? >> >> In a system with an ISA busmaster and more than 16M of RAM. > >What about a mixed PCI ISA busmaster - e.g. > >Have a system with an Adaptec 2940 UW (PCI) and an >Adaptec 1542 (ISA). > >Have the bounce on for the 1542 - what about its impact for >everything else? It will only affect the 1542 disk transfers. The PCI transfers will not be bounced. -DG David Greenman Core-team/Principal Architect, The FreeBSD Project
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