Adaptec SCSI controller problem

["Kerpal" Moore <gropep_it at internode.on.net>" at smtp0.adl1.internode.on.net]

Is the cable faulty? You do have a termintor on the tape drive also, 
don't you?


Doug Hardie wrote:

> I have a system with a Adaptec 2940 Ultra SCSI adapter controller.  
> The original configuration had 1 disk internal and nothing external.  
> The external connector had nothing plugged into it.  All worked fine.  
> However, I tried to add a DLT drive to the external connector.  On 
> boot, the system hung because it couldn't find the disk.  Its supposed 
> to  boot off the SCSI drive.  Running the adaptec scsi utilities it 
> found both the internal disk and the external DLT drive.  The disk has 
> id 0, the DLT 5 and the controller 7.  So, I removed the cable from 
> the system as I just didn't have time to address that issue at the 
> moment.  However, it still hung at the same point in the boot.  No 
> sequence of disconnection of cards, disks, connectors etc. would bring 
> back the boot capability.  It consistently gets an error message that 
> there is no terminator.  So, I added a terminator on the external 
> jack.  It now boots properly.  Something has obvioulsy changed but I 
> can't figure out what it is.  I still need to use the DLT - with the 
> drive, and I need to return the terminator as its borrowed.  Any ideas 
> on how to make this work?  Thanks.
>
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