nForce2-400 Ultra IDE driver
sorry if topic was in a past.
i have AOpen AK79D-400VN mobo with nf2-400 ultra chipset.
kernel-2.6.8 (from debian distribute or native from kernel.org) compiled with
CONFIG_BLK_DEV_AMD74XX=y
Code:
# hdparm /dev/hda
/dev/hda:
multcount = 16 (on)
IO_support = 3 (32-bit w/sync)
unmaskirq = 1 (on)
using_dma = 1 (on)
keepsettings = 0 (off)
readonly = 0 (off)
readahead = 256 (on)
geometry = 38752/16/63, sectors = 20000000000, start = 0
#hdparm -i /dev/hda
/dev/hda:
Model=Maxtor 2B020H1, FwRev=WAH21PB0, SerialNo=B156YSWE
Config={ Fixed }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=57
BuffType=DualPortCache, BuffSize=2048kB, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=39062500
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 *udma5
AdvancedPM=yes: disabled (255) WriteCache=enabled
Drive conforms to: ATA/ATAPI-6 T13 1410D revision 0:
* signifies the current active mode
with any parameters of IO_support and multicount i have 100% CPU load when transfer from one hdd to another. both hdd udma5 with dma enabled.
any suggestions?
ps/ sorry for bad english
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