$sudo hdparm -I /dev/sda | grep dma
DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 *udma5
$ sudo hdparm -tT /dev/sda
/dev/sda:
Timing cached reads: 1620 MB in 2.00 seconds = 810.49 MB/sec
Timing buffered disk reads: 28 MB in 3.20 seconds = 8.74 MB/sec
$ uname -a
Linux feisty 2.6.20-15-generic #2 SMP Sun Apr 15 07:36:31 UTC 2007 i686
GNU/Linux
:(
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poor performance hard disk IDE
https://bugs.launchpad.net/bugs/96693
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