From owner-freebsd-hackers Wed Apr 30 09:48:02 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id JAA05581 for hackers-outgoing; Wed, 30 Apr 1997 09:48:02 -0700 (PDT) Received: from akane.db-net.com (akane.db-net.com [206.103.247.225]) by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id JAA05558 for ; Wed, 30 Apr 1997 09:47:59 -0700 (PDT) Received: from catty (catty [206.103.247.226]) by akane.db-net.com (8.8.5/8.8.5) with ESMTP id NAA22784; Wed, 30 Apr 1997 13:05:15 -0400 Message-ID: <3367778B.D6E1EEC1@db-net.com> Date: Wed, 30 Apr 1997 12:47:07 -0400 From: Wilson MacGyver Organization: DB-Net Inc. X-Mailer: Mozilla 4.0b3 [en] (WinNT; I) MIME-Version: 1.0 To: Michael Smith CC: Don Wilde , hackers@freebsd.org Subject: Re: 7860 X-Priority: 3 (Normal) References: <199704300300.MAA25127@genesis.atrad.adelaide.edu.au> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk Michael Smith wrote: > The 7880, the "original" chip on the 2940 card, can track 16 of these > structures without requiring any help, allowing for up to 16 > simultaneous SCSI transactions; a fairly comfortable number. > > The 7860 on the newer 2940's can only track three. There is support > (the SCBPAGING option) for shuffling among these three to handle more > simultaneous transactions, but obviously this requires more work on > the part of the driver. So does all adptect 2940 use the 7860 now? I was getting ready to buy a 5-6 of them, as well as several motherboards that has it built-in. -- Wilson MacGyver macgyver@db-net.com -------------------------------------- Veni, Vidi, Concidi.