promet
June 20th, 2008, 01:52 AM
Hello, I am wondering about my DMA settings. I've got a new build and want to make sure I'm getting the most out of my drives. System: AMD Athlon 64X2 6000+ Asus M3A Mobo 2 Western Digital SATA Drives 1 ASUS SATA DVD drive Ubuntu 8.04 The two Western Digital Drives seem fine Output of "sudo hdparm -i /dev/sda
/dev/sda: Model=WDC WD4000AAKS-00A7B0 , FwRev=01.03B01, SerialNo= WD-WMASY0464400 Config={ HardSect NotMFM HdSw>15uSec SpinMotCtl Fixed DTR>5Mbs FmtGapReq }RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=50 BuffType=unknown, BuffSize=16384kB, MaxMultSect=16, MultSect=?16? CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=781422768 IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120} PIO modes: pio0 pio3 pio4 DMA modes: mdma0 mdma1 mdma2 UDMA modes: udma0 udma1 udma2 udma3 udma4 udma5 *udma6 AdvancedPM=no WriteCache=enabledDrive conforms to: Unspecified: ATA/ATAPI-1,2,3,4,5,6,7 * signifies the current active mode Seems to be running @ udma6 (Same for /dev/sdb) It's the DVD Drive I'm wondering about Output of "hdparm -i /dev/scd0"
/dev/scd0: Model=ASUS DRW-2014L1T , FwRev=1.02 , SerialNo= Config={ Fixed Removeable DTR10Mbs nonMagnetic } RawCHS=0/0/0, TrkSize=0, SectSize=0, ECCbytes=0 BuffType=unknown, BuffSize=0kB, MaxMultSect=0 (maybe): CurCHS=0/0/0, CurSects=0, LBA=yes, LBAsects=0 IORDY=on/off, tPIO={min:120,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 AdvancedPM=no Drive conforms to: unknown: ATA/ATAPI-3,4,5,6,7 * signifies the current active mode Seems to only be @ udma4, is this the max I can get out of this drive. i.e. if udma6 is not listed does this mean the device isn't capable? Thanks for any ideas you might have!
/dev/sda: Model=WDC WD4000AAKS-00A7B0 , FwRev=01.03B01, SerialNo= WD-WMASY0464400 Config={ HardSect NotMFM HdSw>15uSec SpinMotCtl Fixed DTR>5Mbs FmtGapReq }RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=50 BuffType=unknown, BuffSize=16384kB, MaxMultSect=16, MultSect=?16? CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=781422768 IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120} PIO modes: pio0 pio3 pio4 DMA modes: mdma0 mdma1 mdma2 UDMA modes: udma0 udma1 udma2 udma3 udma4 udma5 *udma6 AdvancedPM=no WriteCache=enabledDrive conforms to: Unspecified: ATA/ATAPI-1,2,3,4,5,6,7 * signifies the current active mode Seems to be running @ udma6 (Same for /dev/sdb) It's the DVD Drive I'm wondering about Output of "hdparm -i /dev/scd0"
/dev/scd0: Model=ASUS DRW-2014L1T , FwRev=1.02 , SerialNo= Config={ Fixed Removeable DTR10Mbs nonMagnetic } RawCHS=0/0/0, TrkSize=0, SectSize=0, ECCbytes=0 BuffType=unknown, BuffSize=0kB, MaxMultSect=0 (maybe): CurCHS=0/0/0, CurSects=0, LBA=yes, LBAsects=0 IORDY=on/off, tPIO={min:120,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 AdvancedPM=no Drive conforms to: unknown: ATA/ATAPI-3,4,5,6,7 * signifies the current active mode Seems to only be @ udma4, is this the max I can get out of this drive. i.e. if udma6 is not listed does this mean the device isn't capable? Thanks for any ideas you might have!