Re: sym53c8xx_2 negotiates improperly

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On Sun, 15 Oct 2006, Steven N. Hirsch wrote:

> Do you or anyone have even a WAG as to how I can trick this thing into 
> negotiating at u160?  There was an older thread on this list where someone 
> discovered that their drive was very unhappy about having anything faster 
> than 12.5 ns (aka factor of '9') mentioned(?)  I don't pretend to fully 
> understand it, but since the drive in question was an SX series 
> workstation drive of similar vintage I'm wondering if this makes sense to 
> anyone.  If so, what could I do to tailor the initial PPR request?
> 
> In the meantime, I'm going to try the drive on an Adaptec 29160 in another 
> machine and see what transpires.

Looks like either a defective drive or some seriously broken OEM firmware.  
I hooked it up to an Adaptec 29160 in a different machine and it still 
negotiates for FAST-40.

I'll have to have a talk with the vendor.

Thanks for the help and suggestions!

Steve


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