Hello Patrick, thanks so far for your help, I really appreciate it. :) Patrick wrote: >>>Since I see ide0 in your output check if you have set the right hdparm >>>settings for IDE. There are some tips on >>>http://www.asteriskguru.com/tutorials/pci_irq_apic_tdm_ticks_te410p_te405p_noise.html >> >>I was not able to enable DMA for my harddisk, as hdparm says it is not >>able to set it. I suspect the problems may derive from a buggy >>BIOS/mainboard. > > > That's odd. I'm not a harddisk/DMA expert but I thought that enabling DMA is > supported by most boards/disks these days. Is this perhaps a rather old PC you > are using? In that case, also check that the PCI revision implemented on the > board is really 2.2. I've read several times that anything lower will not > properly work. Digium cards *require* PCI slots at revision 2.2. The problem seems to be, that the system is to *new*. There are a lot SATS ports, but there is only one IDE channel and not two, as one would expect. I guess this IDE port should only be used for CD-ROMs and so on and not for hard disks. >>So far I have no more idead what I can do. If I don't get any other >>ideas to solve this from any of you, I will try to disable USB physicaly >>in the BIOS, but that will be my last resort. > Maybe try to update the BIOS too. If that does not work either and > unless someone comes up with a good idea, it seems it comes down to two That worth a try. Nevertheless I sent a mail to digium, as it seems to be some kind of hardware problem, maybe they can help me solve this issue. > options: > > 1) replace the Digium card with another E1 card I have none in stock, I would have to order one. > 2) replace entire server with something new that is known to work well, > does not have shared interrupt issues like many Dells were reported to > have and has PCI 2.2 slots That would be an idea, but it involes a lot of work and downtime. This will only be my last resort. Regards, Kai -- Kai Militzer WESTEND GmbH | Internet-Business-Provider Technik CISCO Systems Partner - Authorized Reseller L?tticher Stra?e 10 Tel 0241/701333-14 km@xxxxxxxxxxx D-52064 Aachen Fax 0241/911879