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[linux-team] UDMA
j ai le meme probleme
pourquoi il faut l activer le UDMA ?
dois je le mettre dans un script de démarrage
ou kel options faut il passer au kernell pour qu il le detecte
au demarrage il dit:
...
VP_IDE: not 100% native mode: will probe irqs later
ide0: BM-DMA at 0x6000-0x6007, BIOS settings: hda:pio, hdb:pio
ide1: BM-DMA at 0x6008-0x600f, BIOS settings: hdc:pio, hdd:pio
hda: QUANTUM BIGFOOT_CY4320A, ATA DISK drive
hdb: LTN262, ATAPI CDROM drive
hdc: WDC AC34300L, ATA DISK drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
hda: QUANTUM BIGFOOT_CY4320A, 4134MB w/67kB Cache, CHS=527/255/63
hdc: WDC AC34300L, 4104MB w/256kB Cache, CHS=8896/15/63
hdb: ATAPI 16X CD-ROM drive, 240kB Cache
...
root@galaxie:/home/vincent > hdparm -t /dev/hdc
/dev/hdc:
Timing buffered disk reads: 32 MB in 11.27 seconds = 2.84 MB/sec
root@galaxie:/home/vincent > hdparm -d 1 /dev/hdc
/dev/hdc:
setting using_dma to 1 (on)
using_dma = 1 (on)
root@galaxie:/home/vincent > hdparm -c 1 /dev/hdc
/dev/hdc:
setting 32-bit I/O support flag to 1
I/O support = 1 (32-bit)
root@galaxie:/home/vincent > hdparm -k 1 /dev/hdc
/dev/hdc:
setting keep_settings to 1 (on)
keepsettings = 1 (on)
root@galaxie:/home/vincent > hdparm -t /dev/hdc
/dev/hdc:
Timing buffered disk reads: 32 MB in 3.70 seconds = 8.65 MB/sec
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