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楼主 |
发表于 2007-6-24 10:36:36
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Post by ProgramFan
是不是没有打开硬盘的 dma 模式?用 hdparm -i /dev/hd* 看看吧。
还是卡 速度没变化
显示如下:- kcfv yangke # hdparm -i /dev/hda
- /dev/hda:
- Model=ST9100823A, FwRev=3.00, SerialNo=3LG01RA1
- Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% }
- RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
- BuffType=unknown, BuffSize=8192kB, MaxMultSect=16, MultSect=16
- CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=195371568
- 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=yes: unknown setting WriteCache=enabled
- Drive conforms to: ATA/ATAPI-6 T13 1410D revision 2: ATA/ATAPI-1 ATA/ATAPI-2 ATA/ATAPI-3 ATA/ATAPI-4 ATA/ATAPI-5 ATA/ATAPI-6
- * signifies the current active mode
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