richard_moore at corp.adaptec.com
Tue Oct 13 11:28:32 PDT 1998
* From the T10 (formerly SCSI) Reflector (t10 at symbios.com), posted by:
* "Richard Moore" <richard_moore at corp.adaptec.com>
Gene_Milligan at notes.seagate.com wrote:
> The accepted QAS proposal defines <<Bus Propogation delay - 200 ns
> maximum>>. But SPI-2 defines <<a maximum propagation delay of 135 ns for
> the entire bus.>> Did T10 change the 135 ns to 200 ns or should the
> accepted proposal be "135 ns" or alternatively should it be "QAS
> Propagation delay"?
The 200 ns is from EPI. The 135 ns from SPI-2 is a cable specification, and
allow for expanders.
Adaptec Irvine Technology Center
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