Dear Carsten,

In message <508056A2.3020908 AT tomse DOT dk> you wrote:
> an Adaptec 2940 is usually only a SCSI-II device with 10MB/Sec
> 
> the 2940UW performs 40MB/sec
> these are maximum bus transfers

It's the 2940UW...

> pressing CTRL-A when the SCSI bios tells you to, you should be able to
> set transferspeeds to 40MB/sec in one of the menues.
> though performance will still be bad.

As mentioned before, I did that. The SCSI BIOS is set to 40MB/sec, but
the Linux driver appears to see different results:
...
> > Target 5 Negotiation Settings
> >         User: 40.000MB/s transfers (20.000MHz, offset 127, 16bit)
> >         Goal: 10.000MB/s transfers (10.000MHz, offset 15)
> >         Curr: 10.000MB/s transfers (10.000MHz, offset 15)

> replacing the SCSI host adapter to the Adaptec Ultra 160 or 320 models
> will give a much better performance, the 2940 is from last millenia

Agreed.  Thanks for confirming my suspicion that I should start by
replacing the SCSI adapter.

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd AT denx DOT de
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                                                   -- Albert Einstein

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