Ultra 160/m clocking question

[Alan Littlewood]

* From the T10 Reflector (t10 at symbios.com), posted by:
* Alan Littlewood <alanl at lsil.com>
*
Curiosity gets the better of me.

Can anyone explain what 160/m is?
How does it differ from Ultra-3/SPI-3?
If it is different, who created it and where is it documented?
If there is no difference, why is there a new term?

Thanks,
Alan.


Ken Erickson wrote:

> * From the T10 Reflector (t10 at symbios.com), posted by:
> * Ken Erickson <Ken.Erickson at quantum.com>
> *
> I have a question regarding single edge / double edge clocking and FAST
> clocking options.  If the host issues the PPR message with DT and FAST-20
> clocking is the REQ rate 10Mhz or 20Mhz?  In other words, is ST/DT
> independent of the transfer period factor?
> *
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