Re: UDMA controller flaws?

From: Andre Hedrick (andre@linux-ide.org)
Date: Fri May 12 2000 - 04:04:26 EST


On Fri, 12 May 2000, Dan Hollis wrote:

> On Fri, 12 May 2000, Andre Hedrick wrote:
> > On Fri, 12 May 2000, Dan Hollis wrote:
> > > Is the BP6 HPT366 doomed to a life of PIO4 or are there any workarounds?
> > No........It seams that I have the only "BP6 HPT366" that works.....
> > andre@bp6% hdparm -i /dev/hda
> > /dev/hda:
> > Model=QUANTUM FIREBALLP KA13.6, FwRev=A42.0000, SerialNo=362910333318
> ^^^^^^^^^^^^^^^^^^^^^^^^
> The BP6 HPT366 is fine with IBM, Quantum, Seagate...
>
> Try a Maxtor on that HPT366. Lockups are guaranteed.

Not all Maxtors, I had a long discussion with Maxtor and HighPoint.
There is no one to blame........the specs for ATA-33/66 did not explain
all of the electronic characterists for the TIMING clock cycles.

This is real ugly stuff to read........

The traces are generated from a time in the future as the 0 zero
referrence point and go backwards..........do not ask........I am getting
a headache due to thinking about it again........

Andre Hedrick
The Linux ATA/IDE guy

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