I've just measured my drive reading time and found out that it's 3.5-4.9MB/s (measured in Midnight Commander by copying a not yet cached file to /dev/null). Then I plugged a USB drive (an HDD box) and tried checking, it's 15-20MB/s, this isn't funny! I have ASUS F3Jp laptop (I have no settings in my BIOS) and now I see this was the reason of of bug #126274 and bug #131094 at least in my case.
I've just measured my drive reading time and found out that it's 3.5-4.9MB/s (measured in Midnight Commander by copying a not yet cached file to /dev/null). Then I plugged a USB drive (an HDD box) and tried checking, it's 15-20MB/s, this isn't funny! I have ASUS F3Jp laptop (I have no settings in my BIOS) and now I see this was the reason of of bug #126274 and bug #131094 at least in my case.
dragonfox@ kitsuden: ~$ sudo hdparm -i /dev/sda
/dev/sda:
Model=Hitachi HTS541612J9SA00 , FwRev=SBDOC70P, SerialNo= SB3D00E5G0D07A 16383/16/ 63, TrkSize=0, SectSize=0, ECCbytes=4 DualPortCache, BuffSize=7516kB, MaxMultSect=16, MultSect=?16? 16383/16/ 63, CurSects=16514064, LBA=yes, LBAsects=234441648 120,w/IORDY: 120}, tDMA={min: 120,rec: 120} 2,3,4,5, 6,7
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=
BuffType=
CurCHS=
IORDY=on/off, tPIO={min:
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5
AdvancedPM=yes: mode=0x80 (128) WriteCache=enabled
Drive conforms to: ATA/ATAPI-7 T13 1532D revision 1: ATA/ATAPI-
* signifies the current active mode
I don't understand this, since I see udma5 marked as active in hdparm's output. (?)