** Reply to note from Mike O'Connor  Fri, 02 Nov
2007 03:41:43 +1000
>      
> Top transfer rate on a 2940UW is 40MB/second on the 68-pin channel 
AFAIR. The 50-pin is limited to AFAIR, 10MB/second Drive
> size on that controller is originally somewhere around 8-9GB with 
early BIOSes, more recent ones 2.57 and 3.10 can handle larger ones, 
> possibly up to ~30GB or so.

  Bios is 1.23 and 40MB/second.   Would like 8-20gb drives as larger is
expensive.   Appears a bios update would be a good idea.
    
> Any 80-pin SCSI disks are either SCA or SCA-2 type, and usually are 
pulls from servers, where they are usually hot-swap drives
> sitting in  slide-open drawers with a backplane permanently fitted to
the rear of  the drawers' mating enclosure. They are LVD {low
> voltage differential}  and run faster than SE {single-ended}
designation disks. The 2940UW  takes either type - usually the older ones
> are LVD/SE, but they need to  have a jumper to be restricted to SE IIRC.
>   
 Nice description of the various scsi interfaces.

>   
> That plug on the scanner sounds like a 50-connector Centronics - sure 
it's not 25 on each side? I have an external Plextor 2x CD-ROM

 Yes it is a db25 scsi1 plug.

        Cal




 
Yahoo! Groups Links

 To visit your group on the web, go to:
    http://groups.yahoo.com/group/os2hardware/

 Your email settings:
    Individual Email | Traditional

 To change settings online go to:
    http://groups.yahoo.com/group/os2hardware/join
    (Yahoo! ID required)

 To change settings via email:
    mailto:os2hardware-digest{at}yahoogroups.com 
    mailto:os2hardware-fullfeatured{at}yahoogroups.com

 To unsubscribe from this group, send an email to:
    os2hardware-unsubscribe{at}yahoogroups.com

 Your use of Yahoo! Groups is subject to:
    http://docs.yahoo.com/info/terms/
 

---