kaulf 发表于 2003-4-18 13:08:33

how to open dma of the hd?

it shows that my harddisk's dma is off
how to turn it on
everytime i turn on my computer, Suse shows that(when the system starts,still in textmode):

partition check:
hda:<47 hda
dma timer_expiry dma status==0x21
hda:timeout waiting for dma

i don't know how to handle it, i have tried in windowsxp,but had no effect, and the machine is slow.

wjwfive 发表于 2003-4-20 00:21:59

type:
hdparm -d /dev/hda(if your harddisk is the first one,or else hdb，hdc...)
you could type:
hdparm
to see the options

then,add the"hdparm -d /dev/hda"line to your /etc/rc.local.

wjwfive 发表于 2003-4-20 00:25:37

hdparm -X66 /dev/hda ---for UltraDMA33
-X68 for UltraDMA66
-X100 for UltraDMA100

EMac 发表于 2003-4-20 21:14:40

hdparm -d1 -c3 -m16X66(可选) /dev/hda
用:
hdparm -Tt /dev/hda
查看

yusiwen 发表于 2003-4-23 21:05:26

谢谢,又学到了一点东西
来这里真好!!

用KPPP可以拨号,是么?

wjwfive 发表于 2003-4-25 10:44:51

of course

kaulf 发表于 2003-5-1 17:35:57

这样子作的话只能打开linux下的dma吧
因为还有装windowsxp，进windowsxp他的dma还是没打开的
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