hdparm -B254 -M254 -S12 /dev/sda , S12 可以和 B254 M254 一起用吗？谢谢

waterloo2005

hdparm  -B254 -M254 -S12  /dev/sda , S12 可以和 B254 M254 一起用吗？谢谢

xuanfei

#DEVICESDISKPMPOWERSAVEON="hdparm -q -B 192 -q -S 252 -q -M 128"

估计是可以的，但是我一般只用-B

参考资料:http://www.helponeself.com/read-htm-tid-4901.html

waterloo2005

2. /dev/sda:
4. Model=FUJITSU MJA2500BH G2, FwRev=0084001C, SerialNo=K95FT9925N57
5. Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
6. RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=0
7. BuffType=DualPortCache, BuffSize=8192kB, MaxMultSect=16, MultSect=16
8. CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=976773168
9. IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
10. PIO modes:  pio0 pio1 pio2 pio3 pio4
11. DMA modes:  mdma0 mdma1 mdma2
12. UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5
13. AdvancedPM=yes: disabled (255) WriteCache=enabled
14. Drive conforms to: unknown:  ATA/ATAPI-3,4,5,6,7
16. * signifies the current active mode

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我的硬盘参数还可以优化吗？我的DMA是否打开了？我的硬盘怎么没有UDMA6？谢谢