Messages in this thread | | | Date | Sun, 17 Oct 2004 03:51:36 +0100 (BST) | From | James Stevenson <> | Subject | Re: ATA/133 Problems with multiple cards |
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Hi,
i did actually kind of get the card's working together but ran into another problem.
when i boot with ide=nodma and then turn on dma manually on all the other cards / board chipset etc... they all function fine
then i can only turn the dma up to ATA/100 if i set it to ata/133 it will cause the errors. I assume this is something todo with the promise bois not setting up the 3rd card at boot time. It only shows drive listing for 2 of the 3 cards.
Unfortunatly this generated another problem. When read from both drives at the same time it functions normally and see resonable performance. When i attempt to write to both drives it will cause the machine to lockup.
James
On Thu, 14 Oct 2004, Bartlomiej Zolnierkiewicz wrote:
> On Thu, 14 Oct 2004 13:12:42 -0500, Ian Pilcher <i.pilcher@comcast.net> wrote: > > James Stevenson wrote: > > > > > > i seem to have run into an annoying problem with a machine which has > > > 3 promise ata/133 card the PDC20269 type. > > > > > > > .... > > > > > > > > Does anyone have an explenation of why this can happen ? > > * check power supply > * compare PCI config space of the "failing" controller to the one which > is "working" (assuming that identical devices are connected to each), > maybe firmware/driver forgets to setup some settings > > > Promise cards don't support more than two per machine. If you can get a > > third card to work in PIO mode, consider it an added (but unsupported) > > bonus. > > AFAIR people have been running 4-5 cards just fine > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ >
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