Re: PATCH: cdrecord: avoiding scsi device numbering for ide devices

Måns Rullgård
2004-08-10T11:49:37Z

Erik Mouw <erik@harddisk-recovery.com> writes:

> On Tue, Aug 10, 2004 at 10:41:59AM +0200, Matthias Andree wrote:
>> It's not exactly fun if everything can do 48X but your favorite OS
>> (Linux 2.4) is limited to say 8X because it only does PIO in spite of
>> hdparm settings and everything else.
>
> FWIW, we burn CDs at 40x with a 2.4 kernel. It is however a hardware or
> driver related issue: no problems whatsoever with VIA IDE interfaces,
> but only PIO with the CD writer connected to a Promise 20268.

Problems with ATAPI devices on Promise cards are common, even Promise
admits that.

--
Måns Rullgård
mru@kth.se