Kernel boot/options question

Question

I'm booting the kernel-beyond.  My kernel command line is as follows:
Kernel command line: root=/dev/hda2 pci=assign-busses idebus=100 ro
When my system is booting I see this:
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
And further down with the IDE drives:
hda: max request size: 128KiB
hda: 195371568 sectors (100030 MB) w/8192KiB Cache, CHS=65535/16/63, UDMA(100)
hda: cache flushes supported
hda: hda1 hda2 hda3 hda4 <hda5>
Does this mean I'm actually using UDMA 100??  My hdparm -tT /dev/hda returns:
/dev/hda:
Timing cached reads:   2000 MB in  2.00 seconds = 999.99 MB/sec
Timing buffered disk reads:   86 MB in  3.03 seconds =  28.34 MB/sec
I would think my buffered disk reads would be higher then that.  Any suggestions or am I already as fast as I'm going to get?
Norm

Answer 1

This is what I get with hdparm -i /dev/hda
/dev/hda:
Model=FUJITSU MHU2100AT, FwRev=00000008, SerialNo=NQ07T5128E90
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
BuffType=DualPortCache, BuffSize=8192kB, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=195371568
IORDY=yes, 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: mode=0x80 (128) WriteCache=enabled
Drive conforms to: ATA/ATAPI-6 T13 1410D revision 3a:  ATA/ATAPI-2 ATA/ATAPI-3 ATA/ATAPI-4 ATA/ATAPI-5 ATA/ATAPI-6
* signifies the current active mode