[KLUG Members] My own SCSI question
Adam Williams
members@kalamazoolinux.org
03 Jun 2003 06:01:39 -0400
> >>I have 5 2 g.b. Seagate SCSI 68 pin drives. I have a differential
> >>controller and the drives all spin up but the card doesn't detect them.
> > Right, you can't use SE devices with a DIFy controller.
> Know where I could get a SE adapter (pref used)?
Best Buy? Comp USA? E-Bay?
Just about every SCSI adapter is SE, DIFy adapters are extremely rare.
> >>Well Seagate says these particular drives are only meant for single
> >>ended SCSI bus. Plus I don't think I have all the jumpers set right
> >>either. All of them except one are set to termpower while the last is
> >>only set to termenabled. I am just wondering if my configs are correct
> >>at all so when I get my hands on a single-ended SCSI adapter I can get
> >>them working. Any info about this would be excellent.
> > Your setting sound correct.
> > 1. Every drive has a unique ID, with none set as 7
> > 2. Term power is enabled on at least one devices
> > 3. Termination is enabled on last device OR you have a terminator on the
> > end of the cable.
> Only have one jumper per drive so will it matter if I don't have term
> power on one of the drives? And does termpower have to be enabled on
> the termenabled drive?
> They all have unique id's none them 7.
You only need termination power if you have an external active
termination. However, having termination power enabled won't effect
anything negatively.