Hello everyone,
Hope you're all enjoying yourselves. I on the other hand have hit a brick wall. I've got an external dvd drive that I usually burn dvd's with, connected to an old (1990's) model Toshiba laptop. I have recently realised it's supplying a little less power through the usb ports (its got 2) because about a month ago when I wrote a dvd, it really was struggling to get the job done, and a few days ago, there was so little power, it failed to complete a 3.8g.b write session.
Today, when I tried burning another dvd, the computer shutdown power to all its ports which led me to reboot it to restore functionality, and confirmed my hunch.
So, before doing anything foolish, I thought I'd first seek advice here.
I've also got a 5v, 2A smps wall brick lying around which I'd very much love to put to use.
Now to the question, what would happen if I connected the 5v power supply in parallel with the laptop's usb port (externally of course) to boost current to the drive ( as in diagram 3 below)?
I'm I better off connecting the 5v brick directly to the external drive and the two green an white data lines from the drive to the computer through the usb, leaving the p.c's usb power lines untouched (as in diagram 1), or does the usb 5v supply from the computer need a load to determine which usb is active (as in diagram 2)? In the 2nd case, I could connect a 1.5 watt dummy load.
The drive seems to struggle to keep up when watching dvd videos. It's of good quality and works well with other p.cs, which rules the drive out as the culprit.
As always, I appreciate your time and help.
Hope you're all enjoying yourselves. I on the other hand have hit a brick wall. I've got an external dvd drive that I usually burn dvd's with, connected to an old (1990's) model Toshiba laptop. I have recently realised it's supplying a little less power through the usb ports (its got 2) because about a month ago when I wrote a dvd, it really was struggling to get the job done, and a few days ago, there was so little power, it failed to complete a 3.8g.b write session.
Today, when I tried burning another dvd, the computer shutdown power to all its ports which led me to reboot it to restore functionality, and confirmed my hunch.
So, before doing anything foolish, I thought I'd first seek advice here.
I've also got a 5v, 2A smps wall brick lying around which I'd very much love to put to use.
Now to the question, what would happen if I connected the 5v power supply in parallel with the laptop's usb port (externally of course) to boost current to the drive ( as in diagram 3 below)?
I'm I better off connecting the 5v brick directly to the external drive and the two green an white data lines from the drive to the computer through the usb, leaving the p.c's usb power lines untouched (as in diagram 1), or does the usb 5v supply from the computer need a load to determine which usb is active (as in diagram 2)? In the 2nd case, I could connect a 1.5 watt dummy load.
The drive seems to struggle to keep up when watching dvd videos. It's of good quality and works well with other p.cs, which rules the drive out as the culprit.
As always, I appreciate your time and help.
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