Re: UMAX Vistascan S12

From: Douglas Gilbert (dgilbert@interlog.com)
Date: Wed Jun 06 2001 - 20:10:14 PDT

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    Carlitos Monti wrote:
    >
    > Here is the SCSI information:
    >
    > Attached devices:
    > Host: scsi0 Channel: 00 Id: 01 Lun: 00
    > Vendor: SEAGATE Model: ST34572W Rev: 0876
    > Type: Direct-Access ANSI SCSI revision: 02
    > Host: scsi0 Channel: 00 Id: 05 Lun: 00
    > Vendor: YAMAHA Model: CDR400t Rev: 1.0c
    > Type: CD-ROM ANSI SCSI revision: 02
    > Host: scsi0 Channel: 00 Id: 06 Lun: 00
    > Vendor: PLEXTOR Model: CD-ROM PX-8XCS Rev: 1.01
    > Type: CD-ROM ANSI SCSI revision: 02
    > Host: scsi1 Channel: 00 Id: 05 Lun: 00
    > Vendor: UMAX Model: SuperVista S-12 Rev: V1.9
    > Type: Scanner ANSI SCSI revision: 02
    >
    > Yes, the sg module and the scsi adapter modules are available and loaded.
    >
    > find-scanner returns this:
    > # Note that find-scanner will find any scanner that is connected
    > # to a SCSI bus. It will even find scanners that are not supported
    > # at all by SANE. It won't find a scanner that is connected to a
    > # parallel, USB or other non-SCSI port.
    > and nothing else.
    >
    > The permissions of /dev/sg* are the following:
    > brw-rw-rw- 1 root disk 21, 0 may 10 21:22 sg0
    > brw-rw-rw- 1 root disk 21, 1 may 10 21:22 sg1
    > brw-rw-rw- 1 root disk 21, 2 may 10 21:22 sg2
    > brw-rw-rw- 1 root disk 21, 3 may 10 21:22 sg3

    Carlitos,
    The sg driver in Linux is a "char" device, not a "block" device.
    Hence those permissions should read something like:
    "crw-rw-rw-". Do "man mknod" to see how that command works,
    delete those sg file name entries, then use mknod to put
    the correct ones there. For example:
    $ cd /dev
    $ rm sg0
    $ mknod sg0 c 21 0
    $ chmod 666 sg0
    ....

    BTW Block device 21 is the Acorn MFM hard drive interface.

    Doug Gilbert

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