Date: Sat, 08 May 2004 23:30:33 -0400 From: Chuck Swiger <cswiger@mac.com> To: anubis <anubis357@optusnet.com.au> Cc: w sx <wsx10010@yahoo.com> Subject: Re: cdrw & PIO4 Message-ID: <409DA5D9.5030909@mac.com> In-Reply-To: <200405090932.42291.anubis357@optusnet.com.au> References: <20040508171720.58100.qmail@web90010.mail.scd.yahoo.com> <200405090932.42291.anubis357@optusnet.com.au>
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anubis wrote: > On Sun, 9 May 2004 3:17 am, w sx wrote: [ ... ] > Have a look at man ata. Here is the important part > > ATAPI devices are set to PIO mode by default because severe DMA > problems are common even if the device capabilities indicate support. > You can always try to set DMA mode on an ATAPI device using > atacontrol(8), but be aware that your hardware might not support it > and can potentially hang the entire system causing data loss. While this advice was reasonable some years ago-- and to the extent that broken ATA hardware still exists may still be relevant now-- but please note that the Original Poster is trying to use a CD/RW burner. :-) It doesn't matter too much if you happen to read a CD slowly, but one ought to use DMA rather than PIO when burning CDs or DVDs. -- -Chuck
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