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Linux - Laptop and Netbook Having a problem installing or configuring Linux on your laptop? Need help running Linux on your netbook? This forum is for you. This forum is for any topics relating to Linux and either traditional laptops or netbooks (such as the Asus EEE PC, Everex CloudBook or MSI Wind).

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Old 03-18-2007, 10:57 AM   #1
usaf_man
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Registered: Mar 2007
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Ubuntu 6.10: External DVD RW will work on desktop, but SLOW on laptop


Hello:

I have an interesting problem that I am unable to solve. I have two computers, one is an HP Desktop and the other is a Dell Inspiron 2650, both of which are running Ubuntu Edgy. The Inspiron is running 512MB of ram, 60 GB Hard Drive, and 1.6 P4. I recently purchased an internal DVD Recorder and then bought an external USB 2.0 Case for it. (so I could use it on the laptop).

When I connect the DVD Drive to the HP, GnomeBaker or K3b will write to it with no problems at all. (Approximately 5 min for 4 gig). When I hook it up to the laptop though, GnomeBaker and K3b both write to it at speeds approximately 0.6X. It also reads from Decrypter in Wine at 0.7X .

I have done my research before posting, and tried to enable DMA on the laptop. When I enter this command: hdparm -d1 /dev/sr0 I get the following output:

setting using_dma to 1 (on)
HDIO_SET_DMA failed: Function not implemented

The reason why I used sr0 is because that seems to be where it is mounting my USB drive. I am scratching my head here, especially because it will work fine on my HP, just no the Dell. I have also checked to make sure that the Dell is reconizing it as a USB 2.0 Device, which it is. The enclosure is a NexStar 2 and the Drive is a : Optiarc DVD RW AD-7170A .

Any advice or information that someone could provide would be greatly appreciated. I have been scratching my head on this for awhile now, and am very anxious to get this resolved. Thanks in advance!

usaf_man
 
  


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