On Tue, 4 Apr 2000, Ricky Beam wrote:
> On Mon, 3 Apr 2000, Eric Lee Green wrote:
> >He (Tom) says that he checked termination. However, that is not easy to check.
>
> *grin* "The light's green!" Seriously, if it's LVD then I assume it's a
> quality external terminator -- they are usually clamped to the end of the
> cable.
Yep.
> >I would first suggest making sure that a) you have active termination, and b)
> >you don't have passive termination enabled in one of the internal drives. This
>
> Again, if it's LVD, then none of the drives will have terminators.
>
> >sounds an aweful lot like a termination problem -- often an improperly
>
> Or a cable problem or even a power supply problem! If you are running in
> LVD mode, use a cable designed for it. Regular flat ribbon cable will
> not carry a full speed (40MHz) LVD signal without distortion. That's
> like running 100base-TX over phone wire.
We've got a purpose designed cable.
> Can you try dropping the bus to SE and/or reducing the speed of the tape
> drive. (i.e. run the drive in async mode just to make sure it isn't the
> drive.)
I'll try this once I've figured out how to do it (dropping to SE) Any
pointers?
Thanks for your help.
Best Regards,
Tom.
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