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<TITLE>sane-devel: Re: UMAX Astra 600S and SCSI disks on the same adap</TITLE>
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<H1>Re: UMAX Astra 600S and SCSI disks on the same adapter</H1>
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<STRONG>From:</STRONG> Andreas Muck (<A HREF="mailto:andi@koala.rhein-neckar.de?Subject=Re:%20UMAX%20Astra%20600S%20and%20SCSI%20disks%20on%20the%20same%20adapter&In-Reply-To=&lt;947382743.0001@hypermail.dummy&gt;"><EM>andi@koala.rhein-neckar.de</EM></A>)<BR>
<STRONG>Date:</STRONG> Sat Jan 01 2000 - 08:59:59 PST
<P>
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Oliver Rauch &lt;<A HREF="mailto:oliver.rauch@Wolfsburg.DE?Subject=Re:%20UMAX%20Astra%20600S%20and%20SCSI%20disks%20on%20the%20same%20adapter&In-Reply-To=&lt;947382743.0001@hypermail.dummy&gt;">oliver.rauch@Wolfsburg.DE</A>&gt; writes:
<BR>
<P><EM>&gt;this sounds like a disconnect/reconnect problem or a wrong scsi termination.
</EM><BR>
<P>Yes! That's what i was looking for. I knew I've read something about
<BR>
it in some of the sane's docs, but couldn't find it again when I
<BR>
needed it.
<BR>
<P><EM>&gt;Please check:
</EM><BR>
<EM>&gt;- disconnect/reconnect is disabled
</EM><BR>
<P>It's enabled and it seems like I can't disable it either.
<BR>
<P>&quot;camcontrol negotiate pass3 -D disable -v&quot; tells me:
<BR>
<P>Current Parameters:
<BR>
(pass3:amd0:0:6:0): sync parameter: 0
<BR>
(pass3:amd0:0:6:0): offset: 0
<BR>
(pass3:amd0:0:6:0): bus width: 8 bits
<BR>
(pass3:amd0:0:6:0): disconnection is enabled
<BR>
(pass3:amd0:0:6:0): tagged queueing is disabled
<BR>
amd0: SIM/HBA version: 1
<BR>
amd0: supports tag queue messages
<BR>
amd0: supports SDTR message
<BR>
amd0: HBA engine count: 0
<BR>
amd0: maxium target: 7
<BR>
amd0: maxium LUN: 7
<BR>
amd0: highest path ID in subsystem: 0
<BR>
amd0: SIM vendor: FreeBSD
<BR>
amd0: HBA vendor: TRM-AMD
<BR>
amd0: bus ID: 0
<BR>
amd0: base transfer speed: 0KB/sec
<BR>
<P><EM>&gt;- the scsi bus is terminated correct
</EM><BR>
<P>Yes it is.
<BR>
<P><EM>&gt;- the cable length is correct (&lt;=150cm if a ultra scsi device is connected).
</EM><BR>
<P>Well, one of the disks is ultra and the bus is a bit longer than
<BR>
150cm, but I think that's not the real problem.
<BR>
<P><P>Anyway, I connected the scanner to my old AHA-1542B now and it works
<BR>
ok so far. Even without termination on one side of the bus, cos I lost
<BR>
the resistors :-)
<BR>
<P>&quot;camcontrol negotiate pass3 -v&quot; says now:
<BR>
<P>Current Parameters:
<BR>
(pass3:aha0:0:6:0): sync parameter: 0
<BR>
(pass3:aha0:0:6:0): offset: 0
<BR>
(pass3:aha0:0:6:0): bus width: 8 bits
<BR>
aha0: SIM/HBA version: 1
<BR>
aha0: supports SDTR message
<BR>
aha0: HBA engine count: 0
<BR>
aha0: maxium target: 7
<BR>
aha0: maxium LUN: 7
<BR>
aha0: highest path ID in subsystem: 0
<BR>
aha0: SIM vendor: FreeBSD
<BR>
aha0: HBA vendor: Adaptec
<BR>
aha0: bus ID: 0
<BR>
aha0: base transfer speed: 3.300MB/sec
<BR>
<P><P>Btw, could the &quot;base transfer speed: 0KB/sec&quot; above be a problem? I
<BR>
used to get this at bootup before:
<BR>
<P>pass3 at amd0 bus 0 target 6 lun 0
<BR>
pass3: &lt;UMAX Astra 600S V1.2&gt; Fixed Scanner SCSI-2 device
<BR>
pass3: 3223547.580MB/s transfers
<BR>
<P>Now THAT's a fast scanner, what? :-)
<BR>
<P>It looks normal on the Adaptec now:
<BR>
<P>pass3 at aha0 bus 0 target 6 lun 0
<BR>
pass3: &lt;UMAX Astra 600S V1.2&gt; Fixed Scanner SCSI-2 device
<BR>
pass3: 3.300MB/s transfers
<BR>
<P><P>Thank you for your answer and happy 2000 everyone
<BR>
<P>Andi
<BR>
<P><P><PRE>
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