Date: Mon, 16 Feb 1998 09:11:59 -0800 (PST) From: Steven Schwarz <schwarz@doctord.com> To: Stewart Morgan <stewart@BITS.bris.ac.uk> Cc: freebsd-scsi@FreeBSD.ORG Subject: RE: AIC-7895 SCSI controller Message-ID: <XFMail.980216093025.schwarz@doctord.com> In-Reply-To: <Pine.LNX.3.93.980215225018.9426A-100000@BITS.bris.ac.uk>
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On 15-Feb-98 Stewart Morgan wrote: > Hi there, > > I've recently purchased a Tyan Thunder 2 (S2696DLUA) motherboard with > built in SCSI support... unfortunately, I've been unable to pursuade BSD > to recognise the chipset: AIC-7895. > > My question is: will a driver be available soon? Or, can BSD be fudged > to recognise it as a 3940AUW (the motherboard manual says the two are > equivalent)? For what it's worth, I have this motherboard's onboard SCSI working just fine with a system built from Justin Gibbs' CAM snapshot from 8 December 1997 applied to a -current system from the same date. [Later snaps of the CAM software exist. Check for them at the freebsd ftp site.] I think I understand correctly that enough is different about the AIC-7895 with respect to other earlier 78xx's that small patches to the -stable or -current sources will simply not get you a working AIC-7895. (The strategy employed in writing the 78xx driver does not work on the AIC-7895 because Tyan did not implement the registers used.) So, depending on your tolerance for running non-released kernel code on this system, you may be able to get it going fairly quickly; or you may have to add a supported SCSI card, and bide your time on using the on-board SCSI, til the CAM code is committed and released (which I understand may be more than a little while). sts To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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