Hello. I have followed this up with Addonics. They sell the CPR5SA, essentially the same as Lian Li EX-503 but with Addonics nice support. (not sure about firmware differences though). Addonics confirms NCQ should be available when configured as JBOD or pass through, but no NCQ for RAID5 Regards, Sebastian. On Wed, Dec 7, 2011 at 6:47 PM, Sebastian Muñiz <sjmuniz@xxxxxxxxx> wrote: > Hello > I am have connected a 5 disk box ultracheap Lian Li EX-503B to a > server running XenServer 5.5. > The box is configured as raid0 with two disks and the server has a > PCIe Sil 3132. > In this circumstances the server is unable to use NCQ. > > Is this expected, like a known issue between JMB393 against sil3132 ? > I was hoping to put 5 x 2Tbytes disks on this box, configure raid5 and > be happy for once. -- I've decided that the stuff falling through the cracks is confetti and I'm having a party!” -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html