On Fri, Sep 17, 1999 at 02:46:55PM -0700, Andre Hedrick wrote:
>
> You can not change the drive settings with the modern chipsets...until...
>
> There is no code yet that allows for hdpram to safely modify the drive
> against the chipset. If the drive does not support 32-bit native you can
> not turn it on. There is a bit that must be changed in order for the
> chipset to work in 32-bit mode. This is all checked and setup at INIT.
>
> As for the unmasking.................I don't do it.
> Try leaving the drive alone and see if driver gets it correct?
>
> Second if you do not set autodma enable, you will be stuck at PIO4.
> When you call for -d1 the chipset is still in PIO4 mode, thus 3.8MB/sec is
> a quick PIO4.
Thank you very much! I enabled autodma, removed the hdparm from my rc.local,
and everything is now screaming along at 22MB/sec in UDMA mode 4.
Having only secondhand experience w/IDE, I thought that I was doing the
conservative thing by not enabling autodma. I was going to suggest
that you put a warning in your ftp directory, but I see that you have
already done that. Much appreciated.
Regards,
Bill Rugolsky
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