I have Intel's D815EEA mother board and IBM's Ultra ATA 100 hard disk.
I've given the following hdparm commands after RH 6.2 installation:
# /sbin/hdparm -d1 /dev/hda
# /sbin/hdparm -m16 /dev/hda
# /sbin/hdparm -c1 /dev/hda
# /sbin/hdparm -u1 /dev/hda
# /sbin/hdparm -i /dev/hda
/dev/hda:
Model=SAMSUNG SV1021H, FwRev=PJ100-11, SerialNo=0266J1FNA15402
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=34902, SectSize=554, ECCbytes=4
BuffType=3(DualPortCache), BuffSize=426kB, MaxMultSect=16, MultSect=16
DblWordIO=no, OldPIO=2, DMA=yes, OldDMA=2
CurCHS=16383/16/63, CurSects=-66060037, LBA=yes, LBAsects=19932192
tDMA={min:120,rec:120}, DMA modes: mword0 mword1 mword2
IORDY=yes, tPIO={min:120,w/IORDY:120}, PIO modes: mode3 mode4
UDMA modes: mode0 mode1 mode2 mode3 mode4 *mode5
# /sbin/hdparm /dev/hda
/dev/hda:
multcount = 16 (on)
I/O support = 1 (32-bit)
unmaskirq = 1 (on)
using_dma = 1 (on)
keepsettings = 0 (off)
nowerr = 0 (off)
readonly = 0 (off)
readahead = 8 (on)
geometry = 1240/255/63, sectors = 19932192, start = 0
# /sbin/hdparm -tT /dev/hda
/dev/hda:
Timing buffer-cache reads: 128 MB in 1.07 seconds =119.63 MB/sec
Timing buffered disk reads: 64 MB in 2.39 seconds = 26.78 MB/sec
26,8 M/s sounds a bit slow to me... Is it? How do I know if I need an UDMA
patch for my kernel (I'm using the standard 2.2.17 now)? Is there any other
way I could tweak my drive to make it transfer bits faster?
Regards,
Peter
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