问问大家这是为什么呀?
# hdparm -d1 -X69 /dev/hda/dev/hda:
setting using_dma to 1 (on)
setting xfermode to 69 (UltraDMA mode5)
using_dma =1 (on)
# hdparm -i /dev/hda
/dev/hda:
Model=ST380023A, FwRev=3.33, SerialNo=3KB0S0TG
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
BuffType=unknown, BuffSize=2048kB, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=156301488
IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes:pio0 pio1 pio2 pio3 pio4
DMA modes:mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 *udma2 udma3 udma4 udma5
AdvancedPM=no WriteCache=enabled
Drive conforms to: ATA/ATAPI-6 T13 1410D revision 2:1 2 3 4 5 6
# 好像命令没起作用,说是设置成X69,结果还不是UDMA5.这是为什么啊?有人碰到过吗? # hdparm -Tt /dev/hda
/dev/hda:
Timing buffer-cache reads: 128 MB in0.90 seconds =142.22 MB/sec
Timing buffered disk reads:64 MB in2.96 seconds = 21.62 MB/sec
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