Andy Polyakov <[email protected]> wrote: > On a side note for reference. > > >> My system is loaded with one of the newer versions of solaris 10 > >> $ uname -a > >> SunOS my_machine 5.10 Generic_139555-08 sun4u sparc sun4u > > > > > > Note that Solaris 10 in general does not by default enable DMA > > It's natural to expect that "Solaris 10 in general" covers x86, isn't? > Quoting 'man ata' from Solaris 10: > > Direct Memory Access (DMA) and PCI-IDE Systems > Direct Memory Access is enabled by default. To disable DMA > ... > > > but you need it > > for writing. See eeprom(1) > > eeprom(1) manual page contains no mention of DMA. > > > Note that Solaris sparc still does not support DMA on ATA interfaces. > > It's natural to expect that "still" means from oldest SPARC Solaris > implementing support for IDE through latest, isn't it? Well, I can't > speak for oldest and latest ones, but otherwise SPARC Solaris is capable > of DMA on ATA interfaces to my knowledge. Negotiated value is reflected > in targetN-dcd-options in prtconf -v output. Value of 0x000000a2 is > common for optical media units and denotes UDMA-2 mode. A.
I am not sure about what you are interested in.... The last time I checked Solaris on sparc, I was unable to write a DVD because of the lack of DMA support for ATA. Note that in order to be able to enable burnproof, most drives require DMA to be enabled too. Jörg -- EMail:[email protected] (home) Jörg Schilling D-13353 Berlin [email protected] (uni) [email protected] (work) Blog: http://schily.blogspot.com/ URL: http://cdrecord.berlios.de/private/ ftp://ftp.berlios.de/pub/schily -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]
