Date: Sun, 02 Apr 1995 21:54:47 -0700 From: "Justin T. Gibbs" <gibbs@estienne.CS.Berkeley.EDU> To: bob@obiwan.pmr.com (Bob Willcox) Cc: freebsd-hackers@freefall.cdrom.com (freebsd-hackers) Subject: Re: Adaptec 2740 question Message-ID: <199504030454.VAA03692@estienne.cs.berkeley.edu> In-Reply-To: Your message of "Sun, 02 Apr 1995 22:51:43 CDT." <m0rvdB1-00030WC@obiwan.pmr.com>
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>I just installed an Adaptec 2740 in one of my systems and for some >reason both the EISA configuration utility and the aic7xxx device >driver think that this is a twin channel adapter (2740T, I think). >Since the connnector for Channel B is not installed on the card it >can't hardly be one. The way that both the FreeBSD driver and the EISA configuration utitlity tell this is by doing a chip reset on the card and looking for a specific value in a register. Someone in the Linux camp had this happen to a 2740 that had been working fine for some time. He said that pulling the adaptor out and reinserting it in the slot fixed the problem. It might be worth a try. >On boot the channel B is being probed (of course there's nothing >there). Is this normal? Well, does it hang your system? If not, then don't do anything. If it does, you can disable the B-channel probe in the driver. Just take a look at the ahc_attach routine in i386/scsi/aic7xxx.c. >Note that this system also has a BusLogic BT-747S with two disks, >which is where the FreeBSD system is installed and is booting from. > >Thanks, >-- >Bob Willcox >bob@obiwan.pmr.com (or obiwan%bob@uunet.uu.net) >Austin, TX -- Justin T. Gibbs ============================================== TCS Instructional Group - Programmer/Analyst 1 Cory | Po | Danube | Volga | Parker | Torus ==============================================
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