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TP760 floppy/cd setup -- Adaptec SlimSCSI Alternative



>Date: Sat, 23 Aug 1997 20:29:49 +0000
>From: christij@unix.asb.com (Joseph Christie)
>Subject: Queston abt 760 and floppy/cd setup
>
>I'm looking into a new thinkpad and the 760 sure looks good (undecided
between
>X and E lines). I saw the floppy/cd on the 380 an am wondering about the
setup
>on the 760. I teach and am constantly blowing away and reinstalling different
>OS's on my computers. Is it possible with the 760 to use the cd and sloppy at
>the same time and would I have to buy anything extra to do this if it is in
>fact possible?

Another more flexible approach is to acquire a new/used Adaptec
SlimSCSI PCMCIA card, an external dual height powered SCSI box,
install a SCSI CDROM in the box, and maybe put a CD-R recorder
in the second bay of the dual height box.  If you really need a
portable CD-ROM then the IBM CD-ROM and external floppy cable &
drive arrangement work well enough.  But, if you really want to 
frequently load up alternative operating systems, work with some
educational CD-ROMs at home/office, or author/review new CD-ROMs
for your own personal/business use then the external CD-ROM box
is a good investment.  Moreover, when authoring multiple CD-ROM
projects, it is often helpful to be able to insert a hard drive
in both drive bays of the Thinkpad 760 (one for software/op sys
and one for scratch to acquire video/audio, generate compressed
MPEGs, assemble files for your CD-R, build virtual CD-R images,
and burn multiple CD-Rs from virtual images).  

The external CD-ROM and CD-R drive SCSI box is also useful when 
you need to build new operating systems on other PCMCIA systems 
-- just plug your PCMCIA card into the new system, hook the SCSI
dual CD-ROM/CD-R box to the chain, insert your active terminator
at the end of the chain, and install whatever software you need
on the new system.  

Acquiring an Adaptec SlimSCSI also facilitates backup of your
Thinkpad 760 system, scratch disks, and CD-ROM projects to any
company or privately owned 4mm DAT, 8mm Exabyte, or alternative
inexpensive high capacity backup media.  I personally own a used 
HP SureStore 6000e tape drive which is just perfect for backing 
up current generation 1-3 gigabyte hard drives.  It also makes 
great media for sending tracks to CD-ROM master and duplication 
houses.  The CD-R and 4mm DAT is also wonderful data interchange 
media for sending reasonable volumes of data (3D MRI/PET images 
etc) to remote colleagues.  CD-R is particularly attractive for
small volumes of data (up to 650 MB) because it can be shipped
through the mail with no concern for damage from magnetic fields
in industrial/biomedical imaging facilities or in x-ray systems.

Rough costs -- used SCSI CD-ROM drive $100 (Toshiba XM-3401B), 
new/grey market SCSI CD-R drive $300 (Phillips CDD2000 which is
accompanied by Corel CD Creator Version 2 software [excellent]),
used Adaptec SlimSCSI $100 (including Adaptec EZ SCSI 3 and/or 4
drivers and backup software), used HP6000e $300, new CD-R media
$3 per 650-700 MB platter, and used 90M DAT tapes (used once) $2.

Also, new Panasonic DVD-ROM drives just hit the retail INTERNET
marketplace at $300 each.  Thinkpad 760's with MPEG-2 capability
are said to be easily upgraded to SCSI DVD-ROM playback using one
of the Panasonic SCSI DVD-ROM drives in an external box.  I would
be interested in whether anyone else has used this combination on
a Thinkpad 760 (particularly on a Thinkpad 760CD).

Alexander J. Annala, PhD, MSc, MIS
Senior Postdoctoral Research Fellow
Imaging Sciences Division
Crump Institute for Biological Imaging
University of California--Los Angeles