Alexander Motin schrieb am 07.07.2009 21:06 (localtime): ... Thanks for your aeplanations! >> Feature Support Enable Value Vendor >> write cache yes no >> read ahead yes no > > It is probably the truth. Existing ATA driver enables this features > during drive reset sequence. New one doesn't do it yet. Ic, but my "real" HD ast it enabled: camcontrol iden ada1 pass2: <SAMSUNG HD322HJ 1AG01113> ATA/ATAPI-7 SATA 2.x device Protocol SATA revision 2.x device model SAMSUNG HD322HJ serial number S17AJ9AS305229 firmware revision 1AG01113 cylinders 16383 heads 16 sectors/track 63 lba supported 268435455 sectors lba48 supported 625142448 sectors dma supported overlap not supported Feature Support Enable Value Vendor write cache yes yes read ahead yes yes Native Command Queuing (NCQ) yes - 31/0x1F Tagged Command Queuing (TCQ) no no 31/0x1F SMART yes yes microcode download yes yes security yes no power management yes yes advanced power management yes no 0/0x00 automatic acoustic management yes no 0/0x00 254/0xFE Does the old school HD enable caches itself? Thanks, -Harry
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