From owner-freebsd-hackers Sat May 3 05:22:24 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id FAA26740 for hackers-outgoing; Sat, 3 May 1997 05:22:24 -0700 (PDT) Received: from sax.sax.de (sax.sax.de [193.175.26.33]) by hub.freebsd.org (8.8.5/8.8.5) with SMTP id FAA26735 for ; Sat, 3 May 1997 05:22:21 -0700 (PDT) Received: (from uucp@localhost) by sax.sax.de (8.6.12/8.6.12-s1) with UUCP id OAA07107 for hackers@FreeBSD.ORG; Sat, 3 May 1997 14:22:19 +0200 Received: (from j@localhost) by uriah.heep.sax.de (8.8.5/8.8.5) id NAA04565; Sat, 3 May 1997 13:58:25 +0200 (MET DST) Message-ID: <19970503135825.FR48810@uriah.heep.sax.de> Date: Sat, 3 May 1997 13:58:25 +0200 From: j@uriah.heep.sax.de (J Wunsch) To: hackers@FreeBSD.ORG Subject: Re: WD and SD drives with NCR 53C400 card References: <19970502203633.45646@hydrogen.nike.efn.org> <19970503092932.MV50905@uriah.heep.sax.de> <19970503013745.42576@hydrogen.nike.efn.org> X-Mailer: Mutt 0.60_p2-3,5,8-9 Mime-Version: 1.0 X-Phone: +49-351-2012 669 X-PGP-Fingerprint: DC 47 E6 E4 FF A6 E9 8F 93 21 E0 7D F9 12 D6 4E Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch) In-Reply-To: <19970503013745.42576@hydrogen.nike.efn.org>; from John-Mark Gurney on May 3, 1997 01:37:45 -0700 Sender: owner-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk As John-Mark Gurney wrote: > I have a T128 which has a NS5380, which I believe is suppose to be similar > to the NCR53C400 parts... but their performance is terible, that I never > spent much time... If I remeber right, a simple double speed cdrom drive > would take my old 486/dx40 to it's knees... something like 83-87% cpu > time for the card... and I still didn't get max throughput on the cdrom... > > definately invest the money in a real scsi card... :-) You don't need to convince me for a busmaster DMA card, vs. PIO mode. :-) I for sure know the difference... But sometimes, if you want to connect just a tape drive only to a foreign machine, using such a 53C400 board might be an option. -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)