#define HPT366_ALLOW_ATA66_4 1
to
#define HPT366_ALLOW_ATA66_4 0
It appears to be a timing issue or I have not figured out if there needs
to leading IRQs generate or what.
I have a Katina 13.6GB Test Drive from quantum.
The original pci card from HighPoint got it up and near 20MB/sec and a
little dorking around in the procfs, I got it to jump to 33MB/sec.
I for got to mention that I did not write down what I was trying and got
distracted......I base this on a 64MB transfer 1.93 secs.
Regardless, modify the code and it should go fine.
Expect about 17MB/sec in UDMA mode 3.
Andre Hedrick
The Linux IDE guy
On Sun, 22 Aug 1999, Glenn McGrath wrote:
> Hi, i have a Abit Hot Rod 66 PCI ide controller that uses the hpt366 chip.
>
> When i plug my quantum 18GB KA drive into this controller, the kernel hangs
> on boot right when its supposed to detect the cylinders/heads/sectors of
> this drive.
>
> The problem appears with the 2.2.10 and 2.2.11 kernel with the Uniform IDE
> 6.20 patch applied (this patch contains the hpt366 driver)
>
> It works fine with quantum CR/EX 6.4GB drives using this controller. The
> drive also works fine from my on-board via chipset controller.
>
> I notice in the code there is a list of bad drives, the Quantum KA 13GB is
> listed as a bad drive, maybe the 18GB KA has the same problems as the 13GB.
>
> Can anyone confirm my problem or have any suggestions.
>
> I had a look at the hpt366.c code to see what i could "tweak" but wasnt
> quite brave enough to jump in, thought id mention it here first.
>
> Maybe im missing something obvious.
>
> Thanks
> Glenn McGrath
>
>
>
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