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I have a DVD drive on my old laptop. The DVDs were playing EXTREEMLY choppy so i looked at the output of hdparam /dev/dvd and found that IO support was only at 16 bit. I set it to 32 bit and DVDs play great. My question is this: Where can i place this command so it will be executed on boot?
Also, does anyone know why i cant set DMA mode?
sony:/home/mark# hdparm -d1 /dev/dvd
/dev/dvd:
setting using_dma to 1 (on)
HDIO_SET_DMA failed: Operation not permitted
using_dma = 0 (off)
Last edited by ValidiusMaximus; 01-08-2005 at 08:29 AM.
have you tried putting the command in the /etc/profile (or the safe file that does the same thing (it would say in the /etc/profile if there is a safe file))?
do what Brian1 suggests it will work better, but the /etc/rc.local can be mean and hide under different names (/etc/rc.d/rc.local, /etc/rc.boot, /etc/rc.d/boot.local are some other possibilitys) and some things will not yet be started when the rc.local file is executed, so you may have to put a sleep command in front of it.
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