Date: 17 Mar 1999 14:15:35 -0500 From: Chris Shenton <cshenton@uucom.com> To: mjacob@feral.com Cc: freebsd-scsi@FreeBSD.ORG Subject: Re: sa0: <HP T4000s 1.06> Removable Sequential Access SCSI-2 device Message-ID: <lfr9qo6i7c.fsf@Samizdat.uucom.com> In-Reply-To: Matthew Jacob's message of "Tue, 16 Mar 1999 12:27:27 -0800 (PST)" References: <Pine.LNX.4.04.9903161225070.12815-100000@feral-gw>
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On Tue, 16 Mar 1999 12:27:27 -0800 (PST), Matthew Jacob <mjacob@feral.com> said: Matthew> I have to report that I've been terribly confused about this Matthew> device. *I* don't have one, and I've been dependent upon some Matthew> folks to give me information I can use about it. I was under Matthew> the impression that it is a QIC device. I find out that I'm Matthew> quite wrong on this. What can I do to help? I've got one of these, an HP T4000s. It uses a "travan TR-4" tape from Imation which holds 4-8GB depending on compresseion. It's basically a QIC, some sites call it QIC-wide I think, and I believe TR-4 may have a QIC-#### designation. Below are a couple descriptions of TR-4 and the HP T4000 drive. If you need a victim to try drivers on, let me know. I'm running 3.1-STABLE now. (I've also got a Achive/Connor/Seagate Python 4xDDS2 juke I wanna put through it's paces with your drivers :-) From http://www.travan.com/products/data/content/subindex/0,1085,1117,00.html ... With uncompressed capacities ranging from 400 MB to 4 GB, Travan products give you the capacity you need to handle the most demanding applications -- today and tomorrow. The key to higher capacity is the unique Travan cartridge design, which holds a longer, wider tape that can store more data within the standard 3.5" form factor. Based on proven QIC technology Any time you store data, reliability is key. And it's not often that a new technology offers a history of reliability. The Travan family does. It's based on Quarter-Inch Cartridge (QIC) technology -- the preferred backup solution for millions of computer users around the world. Easy to use Backing up with high-capacity Travan cartridges is simple. They can easily hold the entire contents of a hard drive. And since Travan-compatible drives can read QIC minicartridges, your existing backup library is still useful. For maximum security, Imation recommends that you back up your data every day. A search on HP's site turns up: Hewlett-Packard Company today announced a portable, external version of its HP Colorado T4000s 8GB QIC tape drive. The new drive, the HP Colorado T4000es, combines Travan minicartridge technology and SCSI-2 performance with support for DOS, Windows, Windows 95 and Windows NT operating systems. Using latest-generation Travan technology, the HP Colorado T4000es expands minicartridge capacity to 4GB native and 8GB compressed using Travan TR-4 minicartridges. With its SCSI-2 interface, the T4000es significantly increases backup speed compared to previous-generation minicartridge drives. Its 514KB/second burst SCSI data-transfer rate is approximately four times faster than floppy-interface systems, providing typical backup speeds of 25MB/minute to 35MB/minute on Pentium systems. Using a typical Pentium system, users can back up a 1GB hard drive in about 30 minutes to 40 minutes. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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