Ae gente, valeu as experiências citadas...
Mobo Atual em UDMA5:
[root@maq_703 tiago]# hdparm -i /dev/hdc
/dev/hdc:
Model=SAMSUNG SV2042H, FwRev=PK100-16, SerialNo=0263J1ER134245
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=34902, SectSize=554, ECCbytes=4
BuffType=DualPortCache, BuffSize=426kB, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=39865392
IORDY=yes, 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 *udma5
AdvancedPM=no WriteCache=enabled
Drive conforms to: ATA/ATAPI-4 T13 1153D revision 17: 1 2 3 4 5 6
[root@maq_703 tiago]# hdparm -t /dev/hdc
/dev/hdc:
Timing buffered disk read: 64 MB in 3.52 seconds = 18.18 MB/sec
E esse é o mesmo HD na outra mobo:
[root@maq_703 tiago]# hdparm -i /dev/hdc
/dev/hdc:
Model=SAMSUNG SV2042H, FwRev=PK100-16, SerialNo=0263J1ER134245
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=34902, SectSize=554, ECCbytes=4
BuffType=DualPortCache, BuffSize=426kB, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=39865392
IORDY=yes, 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 udma5
AdvancedPM=no WriteCache=enabled
Drive conforms to: ATA/ATAPI-4 T13 1153D revision 17: 1 2 3 4 5 6
[root@maq_703 tiago]# hdparm -t /dev/hdc
/dev/hdc:
Timing buffered disk reads: 64 MB in 3.02 seconds = 21.19 MB/sec
O que acham?