Re: HP backend to SANE (53c416 SCSI card)

From: Peter Kirchgessner (peter@kirchgessner.net)
Date: Sun Aug 06 2000 - 09:03:42 PDT

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    Hello Wouter,

    please have a look at

    http://www.kirchgessner.net/sanehpfaq.html

    I just added more hints about using the 53c416-card with HP scanners.
    I tried it with a HP ScanJet 5p.

    Sincerely

    Peter

    Wouter Thielen wrote:
    >
    > I have been trying to get my HP ScanJet 5P working in Linux. I'm using
    > kernel 2.2.16 and a SYM53C416 SCSI card. I have tried it in two cases,
    > the SCSI card as a module, and the card compiled in the kernel. I have
    > compiled Sane 1.0.2 with your backend, version 0.88. I have linked
    > /dev/scanner to /dev/sg0 which in turn is linked to /dev/sga, as told by
    > the find-scanner tool. I discovered the following things:
    > - as a module, insmod-ed it with the proper base address and IRQ from
    > pnpdump, find-scanner didn't find any scanner, but the kernel did
    > according to the /proc/scsi/scsi file and identified the card as scsi2,
    > so it was SCSI-ID 2 on scsi2 (i have more scsi adapters on my computer
    > for my HDD and a generic one for my CD writer)
    > - compiled into the kernel, the kernel recognized the card and the
    > scanner and find-scanner found it. The kernel identified the card as
    > scsi0, the scanner was on ID=2.
    >
    > I have set SANE_DEBUG_HP to 128 and looked at what happened when i did
    > scanimage -L. Well, scanimage -L started with probing for various
    > HP scanners, every time flushing and reading a small data packet of
    > around 7-16 bytes. But it was so slow, the computer nearly froze and
    > hung. I have checked all 3 points on your FAQ page: the ID is 2, not 0
    > or 7, the cable isn't too long according to me (less than 1 meter), and
    > it's a 5P scanner which terminates the chain automatically as described
    > on your FAQ page.
    >
    > I have no idea what the problem might be. I hope you can help me, since
    > you have a 5P as well.
    >
    > Hope to read from you soon,
    > Kind regards,
    > Wouter Thielen
    > Rotterdam, Holland 

    -- 
Peter Kirchgessner
WWW:    http://www.kirchgessner.net
e-mail: peter@kirchgessner.net

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