From owner-freebsd-hackers Thu Oct 22 18:44:18 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id SAA05890 for freebsd-hackers-outgoing; Thu, 22 Oct 1998 18:44:18 -0700 (PDT) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from gatekeeper.tsc.tdk.com (gatekeeper.tsc.tdk.com [207.113.159.21]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id SAA05881 for ; Thu, 22 Oct 1998 18:44:15 -0700 (PDT) (envelope-from gdonl@tsc.tdk.com) Received: from sunrise.gv.tsc.tdk.com (root@sunrise.gv.tsc.tdk.com [192.168.241.191]) by gatekeeper.tsc.tdk.com (8.8.8/8.8.8) with ESMTP id SAA08596; Thu, 22 Oct 1998 18:43:40 -0700 (PDT) (envelope-from gdonl@tsc.tdk.com) Received: from salsa.gv.tsc.tdk.com (salsa.gv.tsc.tdk.com [192.168.241.194]) by sunrise.gv.tsc.tdk.com (8.8.5/8.8.5) with ESMTP id SAA14400; Thu, 22 Oct 1998 18:43:39 -0700 (PDT) Received: (from gdonl@localhost) by salsa.gv.tsc.tdk.com (8.8.5/8.8.5) id SAA19473; Thu, 22 Oct 1998 18:43:38 -0700 (PDT) From: Don Lewis Message-Id: <199810230143.SAA19473@salsa.gv.tsc.tdk.com> Date: Thu, 22 Oct 1998 18:43:37 -0700 In-Reply-To: Stephen Hocking-Senior Programmer PGS Tensor Perth "Re: Anyone tried an IBM 3590 tape drive?" (Oct 23, 9:34am) X-Mailer: Mail User's Shell (7.2.6 alpha(3) 7/19/95) To: Stephen Hocking-Senior Programmer PGS Tensor Perth , Don Lewis Subject: Re: Anyone tried an IBM 3590 tape drive? Cc: hackers@FreeBSD.ORG Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Oct 23, 9:34am, Stephen Hocking-Senior Programmer PGS Tensor Perth wrote: } Subject: Re: Anyone tried an IBM 3590 tape drive? } I } think the old 128k/64k blocksize limit was a result of the broken DMA chipset } on PCs, which PCI stuff doesn't (I think) suffer from. There was some } discussion a while back about changing this limitation. Which is where I remember the limit from. I've also encountered old controllers that only had a 16 bit register to set the record length, I think mostly old Xylogics multibus controllers plugged into VME adapters in Sun systems. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message