OK, maybe as David suggests the problem others have had with the 2720s
USB adaptation has been not matching the SCSI type. The 2720s requires
a SCSI-II card with a 25 pin female plug to match the male 25 pin plugs
at both ends of the scanner's cable. The Adaptec 2906 SCSI-II card is a
perfect replacement for the Acard (brand) SCSI-II card shipped with the
scanner since that's what's installed in my own machine. If you can get
an Adaptec USB/Firewire adapter that's compatible with their own Adaptec
2906 I'd say you've got a good chance of having it work. email me
off-list if you'd like a 70 page (1.4MB) PDF of the 2720s user's manual.
Chuck Norcutt
Stephen Troy wrote:
> At 09:21 AM 11/5/2008 -0500, Chuck Norcutt wrote:
>> But just a caution before you spend much on a USB or Firewire to SCSI
>> adapter. There is a Yahoo group called 2720 of which I have been a
>> member for many years. I can't recall all the details but I do believe
>> that at least 2 folks have attempted USB to SCSI conversion with at
>> least one of the adapters being an Adaptec device. IIRC neither
>> conversion attempt was successful even though there's probably no one in
>> the world who know more about SCSI than Adaptec. I'd suggest you do a
>> search through the archives of the 2720 list to find any details I may
>> not have seen or, more likely, forgotten.
>
>
> For what it's worth, we're using an Adaptec USB2.0 to SCSI adapter with an
> Imacon scanner under XP and it works beautifully. You have to have the
> scanner turned on when you boot/reboot the computer for it to be recognized.
>
> Steve Troy
>
>
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