[SunHELP] Ultra 60 second hard drive

[Paul Savage]

These are SCA drives that install into the drive cage inside the 
machine. I will look into how these drive terminate. There are no 
jumpers on these drives.

James Fogg wrote:

>Please bottom-post - see bottom for my reply
>
>  
>
>>This is an internal  drive. Is there supposed to be an
>>internal terminator on the motherboard somewhere or a jumper?
>>
>>Paul
>>
>>James Fogg wrote:
>>
>>    
>>
>>>>We are trying to install a second 36gb 15K Cheetah hard
>>>>        
>>>>
>>drive to our
>>    
>>
>>>>U60 running Sol 9. I set up everything in the vsttab file OK but
>>>>cannot find the drive when I bootup. When I run probe-scsi
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>>>>
>>I get a bus
>>    
>>
>>>>error. Any ideas?
>>>>
>>>>
>>>>        
>>>>
>>>Is your bus properly terminated?
>>>      
>>>
>
>All SCSI busses must be terminated at each end. SCSI host adapters often
>terminate one end, but you must terminate the other end. Some drives
>have terminators built-in, on older disks it's a resistor pack you plug
>in or remove.
>
>Check to make sure the drive in the middle of the bus isn't terminating
>(check manufacturers docs to find out how they do it) and make sure the
>disk on the end of the bus IS terminating. If the end disk doesn't have
>a built-in terminator you will need to add one to the SCSI cabling after
>the last disk on the bus.
>
>Also, check your disk SCSI ID number. You cannot duplicate SCSI ID's on
>a single bus.
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>
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