[linux-help] Re: setup scsi scanner

[bbales <bbales@xxxxxxxxxxx>]

> First thing is that getting Linux to recognize your scanner is one
> thing, getting sane to recognize it is another. The Linux part is
> pretty simple to check:
>
>   cat /proc/scsi/scsi
>
> In my case, this shows:
>
>   Host: scsi0 Channel: 00 Id: 04 Lun: 00
>     Vendor: EPSON   Model: Perfection1640  Rev: 1.03
>     Type:   Processor                      ANSI SCSI revision: 02


[root@bertha bruce]# cat /proc/scsi/scsi
Attached devices:
Host: scsi1 Channel: 00 Id: 04 Lun: 00
  Vendor:          Model: Scanner          Rev: 1.80
  Type:   Scanner                          ANSI SCSI revision: 04
Host: scsi1 Channel: 00 Id: 05 Lun: 00
  Vendor: IOMEGA   Model: ZIP 100 PLUS     Rev: J.66
  Type:   Direct-Access                    ANSI SCSI revision: 02

[root@bertha bruce]# sane-find-scanner
sane-find-scanner: found scanner " Scanner 1.80" at device /dev/scanner
sane-find-scanner: found scanner " Scanner 1.80" at device /dev/sg0
sane-find-scanner: found scanner " Scanner 1.80" at device /dev/sga

/dev/sga already points to /dev/sg0

>
> Now, in my /usr/local/etc/sane.d/epson.conf file, I have the line:
>
>   scsi EPSON Perfection1640 Processor 0 0 4 0

In /etc/sane.d/microtek.conf, there was a line scsi * * Scanner.  I changed 
it to scsi microtek e3 0 0 4 0

Too sleepy to continue.  5:00am, have to get up at 6:30.

Thanks a million.  
bruce 

>
> You probably need something similar in your microtek.conf or microtek2.conf
> file (don't know which w/o rtfm). I don't recall how sane (scanimage)
> knows to use my epson.conf file, which may or may not be an important
> point, but I'm pretty sure that getting a sane configuration file to
> match a driver up with a scsi address is important.
>
> There's also another whole set of nonsense involving the /dev/sg files.
> I have the following symbolic links:
>
>   /dev/scanner -> /dev/sgc
>   /dev/sgc -> /dev/sg2
>
> Once I figured out which /dev/sg file works (and note that the numbers
> don't match the scsi id's; I'll also note that I've seen them move),
> I can run (preferably as root, since these files aren't normally
> accessible otherwise):
>
>   scanimage -d epson:/dev/sg2
>
> And after that scanimage --list-device seems to remember. (The
> /proc/scsi/sg files may somehow tell you what the mapping is, but
> offhand I can't tell you how.) Once you know which /dev/sg# file
> works, symlink /dev/scanner to it. (I have no idea what /dev/sgc
> is doing here.) Also chmod a+rw the file.
>
> Also, I've managed to lose some/all of these settings when new
> software is installed, and there may be gremlins going around and
> tightening up file permissions, which causes scanimage --list-device
> to fail without a helpful error message.
>
> Also, in my case I built sane/xsane from scratch, and patched in an
> even later device driver (thanx to a guy in Germany), since my
> machine was on the bleeding edge of almost-supported (bled about
> every third scanline, in fact). Your milleage may vary.
>
> bbales wrote:
> > I have a dual booted Athlon 800MHz box with Adaptec AVA2906 scsi board, a
> > scsi zip drive and scsi Microtek E3 scanner.  Running RH 7.2 and win98. 
> > Both scanner and zip work with win98.  The Zip drive (on the end of the
> > scsi bus) works fine with Linux, but I can't get the scanner recognized.
> >
> > dmesg indicates it found a scanner, but doesn't recognize it.  RH7.2
> > comes with sane and xsane.  There are several libsane-microtek files
> > (.so, .a, .la, etc).  But how do I bind sane-microtek to the scanner? 
> > and what do I put in microtek.conf?  I've spent days with the HOWTOs and
> > google and I can't find anything useful.
> >
> > A portion of dmesg follows:
> >
> > SCSI subsystem driver Revision: 1.00
> > PCI: Found IRQ 5 for device 00:09.0
> > (scsi0) <Adaptec AIC-7850 SCSI host adapter> found at PCI 0/9/0
> > (scsi0) Narrow Channel, SCSI ID=7, 3/255 SCBs
> > (scsi0) Cables present (Int-50 NO, Ext-50 YES)
> > (scsi0) Downloading sequencer code... 415 instructions downloaded
> > scsi0 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 5.2.4/5.2.0
> >        <Adaptec AIC-7850 SCSI host adapter>
> >   Vendor:           Model: Scanner           Rev: 1.80
> >   Type:   Scanner                            ANSI SCSI revision: 04
> >   Vendor: IOMEGA    Model: ZIP 100 PLUS      Rev: J.66
> >   Type:   Direct-Access                      ANSI SCSI revision: 02
> > scsi : 0 hosts left.
> >
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