Messages in this thread | | | Date | Sun, 29 Nov 1998 18:14:29 -0600 (CST) | From | "Andre M. Hedrick" <> | Subject | Re: IDE DMA and CD-ROM |
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Yes..........and it is in the works...............since the inception of the PDC20246 chipset code..............the dreaded UDMA cdrom has hung the system.........
What is the chipset you are using?
On Sat, 28 Nov 1998, Antti Andreimann wrote:
> Hi! > > Im really sorry if this question has already been discussed somewhere. > Im just new to this list and I couldn't dig myself through archives Yet. > The problem is following: > I have a Toshiba 32X CD-ROM Drive and Tomato Motherboard. The CD Does not > like DMA transfers. But IDE controller seems to be convinced othervise. > I can't just put hdparm -d0 /dev/cdrom to bootup scripts because when there's > no CD in the drive hdparm is unable to open the device. I can disable the DMA > in IDE driver but then it will disable DMA for all drives. Of course I can > re-enable it with hdparm but it's annoying :-( > The BIG question: Is there a way to tell ide driver that it should disable DMA > for one drive only at bootup? I didn't find a clue about DMA related options > in Documentation/ide.txt :-( > > -- > ======================================================================== > \||||||||||/ Antti Andreimann > \||||||||||||||/ nickname: Cyber > \|||||||||||||||||\ anttix@cyberix.edu.ee > /||||||||||||||||0\__@ ______ > /|||||||||||||||||__/ (______) Linux: Because rebooting is > \||||||||||||||||/ {} for adding new hardware > (c)siil L L L L _||_ No >90K messages please. > ======================================================================== > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.rutgers.edu > Please read the FAQ at http://www.tux.org/lkml/ >
Cheers, Andre Hedrick The IDE-FNG for Linux The APC UPS Specialist for Linux
http://www.dyer.vanderbilt.edu/server/udma/ http://www.dyer.vanderbilt.edu/server/apcupsd/apcupsd-3.5.0.bin.tar.gz
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
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