Date: Tue, 16 May 1995 00:04:49 +1000 From: Bruce Evans <bde@zeta.org.au> To: hackers@FreeBSD.org, wosch@cs.tu-berlin.de Subject: Re: slow floppy Message-ID: <199505151404.AAA00488@godzilla.zeta.org.au>
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>From owner-freebsd-hackers@freefall.cdrom.com Mon May 15 23:52:51 1995 >Received: from freefall.cdrom.com (freefall.cdrom.com [192.216.222.4]) by godzilla.zeta.org.au (8.6.9/8.6.9) with ESMTP id XAA32731 for <bde@kralizec.zeta.org.au>; Mon, 15 May 1995 23:51:01 +1000 >Received: (from majordom@localhost) > by freefall.cdrom.com (8.6.10/8.6.6) id GAA01044 > for hackers-outgoing; Mon, 15 May 1995 06:40:31 -0700 >Received: from mail.cs.tu-berlin.de (root@mail.cs.tu-berlin.de [130.149.17.13]) > by freefall.cdrom.com (8.6.10/8.6.6) with ESMTP id GAA01026 > for <hackers@freebsd.org>; Mon, 15 May 1995 06:40:29 -0700 >Received: from caramba.cs.tu-berlin.de (wosch@caramba.cs.tu-berlin.de [130.149.18.7]) by mail.cs.tu-berlin.de (8.6.10/8.6.10) with ESMTP id PAA14858 for <hackers@freebsd.org>; Mon, 15 May 1995 15:40:15 +0200 >From: Wolfram Schneider <wosch@cs.tu-berlin.de> >Received: (wosch@localhost) by caramba.cs.tu-berlin.de (8.6.10/8.6.9) id PAA06826; Mon, 15 May 1995 15:40:08 +0200 >Date: Mon, 15 May 1995 15:40:08 +0200 >Message-Id: <199505151340.PAA06826@caramba.cs.tu-berlin.de> >To: hackers@FreeBSD.org >Subject: slow floppy >MIME-Version: 1.0 >Content-Type: text/plain; charset=ISO-8859-1 >Content-Transfer-Encoding: 8bit >Sender: hackers-owner@FreeBSD.org >Precedence: bulk >Status: RO >My floppy is very very very slow. >copy 1.2 MB: >1) mcopy 50 sec >2) cat 165 sec >3) dd 165 sec >4) mount -t msdos 585 sec (!!!) >4) mean that I need 1 1/2 h for installing bindist! A poor null modem >is faster. >$ dmesg >FreeBSD 2.0.950412-SNAP #0: Thu Apr 13 14:11:34 1995 >fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa >fdc0: NEC 765 >fd0: 1.44MB 3.5in >$ mdir a: > Volume in drive A has no label > Directory for A:/ >CKSUMS 357 5-11-95 3:22p >DO_CKSUM SH 2475 5-11-95 3:22p >EXTRACT SH 201 5-11-95 3:22p >MANPAGES AA 240640 5-11-95 3:22p >MANPAGES AB 240640 5-11-95 3:22p >MANPAGES AC 240640 5-11-95 3:22p >MANPAGES AD 240640 5-11-95 3:23p >MANPAGES AE 240640 5-11-95 3:23p >MANPAGES AF 240640 5-11-95 3:23p > 9 File(s) 10240 bytes free >$ time mcopy a:* /tmp >/dev/null > 49.50 real 1.27 user 0.75 sys >$ time cat /dev/fd0 > /tmp/floppy > 164.72 real 0.00 user 1.65 sys >$ mount -t msdos /dev/fd0 /mnt; time cp /mnt/* /tmp > 584.49 real 0.00 user 5.17 sys >dd if=/dev/fd0 of=/tmp/fd0 >2880+0 records in >2880+0 records out >1474560 bytes transferred in 165 secs (8936 bytes/sec)
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