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Old 02-06-2003, 08:30 PM   #1
Tinkster
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HP 3c troubles


Hi Guys!

I bought a second hand HP 3c scanner.
First I stuck the SCSI-card that comes with
it (ISA, NCR83c400) into my server (only box
with ISA left :}) .. loading g_NCR5380 with
parameters for the chip above results in either
a "no such device" or a system hang...

The box runs of a PCI SYM837xx chipset ...
Next I got a ULTRA-SCSI external cable
68-pin ... that attached the box stops on
SCSI search in POST.

I then stuck a spare AHA2940U2W in my workstation,
ULTRA-SCSI external cable 68-pin ... scanner attached
the box stops on SCSI device search in POST.

Next I grabbed a 50-pin external cable and a little
connector that loops the internal SCSI-2 50 cable
through to an external 50-pin connector. On the
AHA it gets detected in BIOS, however, trying to
access the device hangs the machine (both in Slack
and Win98) ... then I tried the cable thing on the
Server it doesn't detect the scanner at all.

Any other hints on what I could try, or is there a
consensus that the scanner might be puckarooed?

Cheers,
Tink

P.S.: On the server the SYM-driver is compiled into
the kernel, and I tried to load the generic one as a
module.
 
Old 02-07-2003, 02:21 AM   #2
Darin
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Termination

A scsi chain (everything from the controller to the end of all the cables) needs to be terminated. If your lucky your scanner has jumpers or dip switches to set it to terminate the scsi bus, if not you would have to buy a terminator that plugs into the other scsi connector on your scanner.

I used to have a link to a really good site that explained scsi termination but I think the site went down because I don't have the bookmark anymore. You may be able to muck around on www.adaptec.com or www.seagate.com and get some scsi cabling info, those two companies have the most scsi experience and would probably have better info than HP. I'd offer my expert advice <cough> but last time I opened up my server I realized that I had screwed up the scsi chain myself

this one might be helpful too http://www.scsita.org/aboutscsi/SCSI..._Tutorial.html
 
Old 02-07-2003, 03:11 PM   #3
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Heh ... thanks Darin,

should have mentioned that I've been using SCSI for
way over 10 years now, and believe that I am
reasonably good with it, too.

The termination is all sweet, and when the Scanner
(which is a dead end with a little resistor switch) is
connected all by its poor lonely self to the ISA card
it still doesn't do anything ;)

Has anyone got one of these babies running with
their original controller under Linux?

Cheers,
Tink

Last edited by Tinkster; 02-07-2003 at 03:13 PM.
 
  


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