On 3 Oct 2005, at 07:26, John de Boer wrote:
Hello all
I have a qnty old macs, LC113, 4475 up to 6200/120, as well as a qnty
external cases for HDD and CD and zip drives (some of the external
cases
have small HDD in them). I also have a qnty of HDDs (mostly in the
range of
1Gb - 3gb) that I wish to put in the external cases, all are scsi.
Some of
the external cases have internal leads from the terminator "switch
1<>6" as
well as leads to LEDs.
Will very appreciate your advice how to work out the "jumping" on
the HDDs
to connect up to the terminator switch and how to determine where
to connect
the leads to the LEDs. And, if the terminator switch is not
connected, will
jumping the pins on the HDD in a certain way result in the HDD
having its
own terminator? In the latter case, how is the ID number determined?
All the above depend on the manufacturer and model of the drive. Try
to work that out, there is almost always a label on the top of the
drive that at least contains the manufacturer and model of the disk.
Once you know you can look it up on one of these sites, or in your
favorite search engine:
<http://www.hitachigst.com> - Hitachi and IBM hard disks
<http://www.seagate.com/> - Seagate and Conner hard disks
<http://www.maxtor.com/> - Maxtor and Quantum hard disks
<http://www.fujitsu.com/global/services/computing/storage/hdd/> -
Fujitsu hard disks
<http://www.hp.com/country/us/en/support.html?pageDisplay=support> -
HP hard disks (general support page)
<http://www.toshiba.com/tai-new/division.jsp?ID=10> - Toshiba hard disks
Generally those pages either have a 'Search' box that yields results
by model number or they have obvious hard disk sections. They should
keep the setup sheets for the drives on file, I've not failed to find
on in all the years I have been trying from one of those manufacturers.
That will tell you where your jumpers are and wether you can link
them up to each drive.
--
Mark Benson
My Blog:
<http://mdblog.68kmac.org>
68kMac.org:
<http://www.68kmac.org>
Visit my Homepage: <http://homepage.mac.com/markbenson>
"Never send a human to do a machine's job..."
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