Messages in this thread | | | Date | Tue, 28 May 2002 11:39:37 +0200 (CEST) | From | me@vger ... | Subject | Re: /dev/hd[ijkl] only using udma (not udma 100) |
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On Mon, 27 May 2002, Thunder from the hill wrote:
> Hi, > > On Mon, 27 May 2002 me@vger.org wrote: > > Ive got a machine running debian test dist and 2.4.18. The machine has > > two promise ata100 tx2 controller cards. My question is why does the > > devices hde to hdh use udma100 but devices hdi to hdl only use udma. > > Note on this is that the devices hdi to hdl did i have to make myself > > (dont know if there is some other configure possibility). All drives are > > the same model. > > Well, you found the /sbin/hdparm solution, which isn't too bad (And > hopefully you added it to your boot scripts). However, watch that! If the > mode switches back to lower UDMA modes, it doesn't support the mode > properly and thus was downgraded. >
Only thing i get, while i was stresstesting the hardware, is that DMA gets timeouts time from time and then the DMA gets disabled (logical realy). But nothing happens with the transfer mode and thats good.
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