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Solve : cd drive sound card cable useless??

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Is the cd drive 4pin sound card cable a relic of the past and useless now? I notice computers less than 5yrs old don't use it. What was it ever used for? For non-ide sound CARDS? I never saw one of those. On a related subject, I have an old Sony CDU311 cd read drive, with earphone plug on front. I want to use it stand-alone to play music cd's on my stereo system. I have a stand-alone power supply for it. It TAKES the cd disc and seems to be playing it, but no audio comes out of the earphone jack. Am I out of luck? Is there no analog circuitry in this drive? Just digital circuitry?Quote from: jonb469 on April 18, 2007, 10:53:54 AM

Is the cd drive 4pin sound card cable a relic of the past and useless now? I notice computers less than 5yrs old don't use it. What was it ever used for? For non-ide sound cards?

Non-PCI sound cards.

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On a related subject, I have an old Sony CDU311 cd read drive, with earphone plug on front. I want to use it stand-alone to play music cd's on my stereo system. I have a stand-alone power supply for it. It takes the cd disc and seems to be playing it, but no audio comes out of the earphone jack. Am I out of luck? Is there no analog circuitry in this drive? Just digital circuitry?

What are you powering it with? I don't think you will have success with this.the sound is "traslated" by the onboard sound processor, or a sound card.
you can get a stand alone drive to read the CD, but nothing will come out the ear-jack, cause the sounds are not being processed.

CD PLAYERS have this built in. -hence the word "player"
your CD drive is a "reader" it wasnt built to playback on its own..

would be nice tho if you could. Now if you can find some type of External
sound card device, then maybe this will work.

I wanna try and build a compact base pc for my DVD drive to make it portable..I guess the cheapest option is to buy a $39 cd/dvd player at Walmart.

It just seemed strange that Sony would put an earphone jack w/volume control on the drive front without any way of using it without a connected soundcard in a computer.

For your "portable dvd drive", look at cablestogo.com's USB to IDE ADAPTER. It is handy for making an internal optical drive or hard drive external. Walwart power supply included. $50 not cheap though. GOOD for backup. But I have not been able to make my XP computer boot to a USB connected drive. I assume booting is impossible because the USB has to be started first before the booting can begin. Agree?


yup. I do belive you are right. USB is after boot up.

I had to fix my friends comp, after he transfered his info to his external, then formated his old drive... that was a fun fix. The MBoard has to support booting to a USB device for this to work. Check your manual


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