From owner-freebsd-current Tue Aug 31 18:10:21 1999 Delivered-To: freebsd-current@freebsd.org Received: from cain.gsoft.com.au (genesi.lnk.telstra.net [139.130.136.161]) by hub.freebsd.org (Postfix) with ESMTP id BB32B14E58 for ; Tue, 31 Aug 1999 18:10:13 -0700 (PDT) (envelope-from doconnor@gsoft.com.au) Received: from cain.gsoft.com.au (doconnor@cain [203.38.152.97]) by cain.gsoft.com.au (8.8.8/8.8.8) with ESMTP id KAA06915; Wed, 1 Sep 1999 10:40:04 +0930 (CST) (envelope-from doconnor@gsoft.com.au) Message-ID: X-Mailer: XFMail 1.3 [p0] on FreeBSD X-Priority: 3 (Normal) MIME-Version: 1.0 Content-Type: multipart/signed; boundary="_=XFMail.1.3.p0.FreeBSD:990901104004:18482=_"; micalg=pgp-md5; protocol="application/pgp-signature" In-Reply-To: <87906repae.fsf@mired.eh.local> Date: Wed, 01 Sep 1999 10:40:04 +0930 (CST) From: "Daniel O'Connor" To: Kevin Street Subject: Re: HEADS UP! ATA driver (atapi DMA).. Cc: current@FreeBSD.ORG, Soren Schmidt , Matthew Dillon Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG This message is in MIME format --_=XFMail.1.3.p0.FreeBSD:990901104004:18482=_ Content-Type: text/plain; charset=us-ascii On 31-Aug-99 Kevin Street wrote: > > Well 2MB/sec == 14x CDRom drive. Is it a 14x CDRom drive? CDRom > > drives are typically limited to how quickly they can get data off > > the platter. A faster bus transfer will not improve that. > I should have mentioned that ... it's a 32x cdrom. dmesg says it > claims to be able to do 5515 KB/sec. Which is slightly more correct.. 32x = 32 * 150 = 4800 kb/s 1 spin = 150kb/sec Of course given the advent of CLV drives a speed rating is now usually the maximum read speed, not the average. --- Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum --_=XFMail.1.3.p0.FreeBSD:990901104004:18482=_ Content-Type: application/pgp-signature -----BEGIN PGP MESSAGE----- Version: 2.6.3ia iQCVAwUBN8x87FbYW/HEoF9pAQFUdgQAmEGCYlxW5qfHnjs82p8zhX00wX/eyMtQ X+wyZzgm3rcE1duT73NXRfDg6Ympq6GazUoMLns7upL6/LFhhyUgnSy9Qi8m4elR zTqmIB2Ld95q+DM2iWAzsdeMM5EKbXuhPWlXxg+U5mnpT/8T/SDb8XNY1jDbtJSV Rl6ybRu6tvs= =jhFS -----END PGP MESSAGE----- --_=XFMail.1.3.p0.FreeBSD:990901104004:18482=_-- End of MIME message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message