Date: Tue, 24 Nov 1998 08:37:00 -0800 From: Ulf Zimmermann <ulf@Alameda.net> To: Ron Klinkien <root@zappa.demon.nl>, freebsd-current@FreeBSD.ORG Subject: Re: Adaptec SCSI messages Message-ID: <19981124083700.B12951@Alameda.net> In-Reply-To: <19981124103532.B613@zappa.demon.nl>; from Ron Klinkien on Tue, Nov 24, 1998 at 10:35:32AM %2B0100 References: <19981114144915.A244@zappa.demon.nl> <Pine.BSF.4.03.9811161602000.17775-100000@resnet.uoregon.edu> <19981117112118.A252@zappa.demon.nl> <19981124011512.B11237@keltia.freenix.fr> <19981124103532.B613@zappa.demon.nl>
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On Tue, Nov 24, 1998 at 10:35:32AM +0100, Ron Klinkien wrote:
>
> I guess you are right, but i wonder why they have invented Ultra 2 disks
> then. Since my disk performed in Single Ended mode exactly the same as
> in ULTRA2-LVD mode.
>
They invented for two reasons:
1.) You can put more drives onto one bus, before running into bus limits
(As before said)
2.) LVD = Low Voltage Differential = longer cable lengths possible again.
--
Regards, Ulf.
---------------------------------------------------------------------
Ulf Zimmermann, 1525 Pacific Ave., Alameda, CA-94501, #: 510-769-2936
Alameda Networks, Inc. | http://www.Alameda.net | Fax#: 510-521-5073
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