Solved

cd rom on a tandy 425sx

Posted on 1998-12-18
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Last Modified: 2010-04-27
I have a tandy 425sx the manual says it can have a cd drive hooked up to it.I hook up the cd drive and i have power to it but i get nothing but a blank screen  w flashing space mark.I dont know what kind of cd it is other then that it is an ide. (it was a freebe).any ideas ?
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Question by:stealtoe
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rmarotta earned 100 total points
ID: 1013827
You'll need to load a driver to recognize and configure the CDROM for use on your operating system.
If you dont have it, tell me the model number of the drive and we can probably find one for it on the web.
Tell me if you need help configuring the startup files for loading the drivers.
Next, you need to be sure the drive is connected correctly.
For this, you'll need a 40-pin IDE data cable with three connectors on it.
Be sure the colored stripe on the edge of the cable is oriented towards pin-1 on each of the drive connectors and motherboard or I/O controller port.
Next, configure the CDROM as a slave device with the jumper located at the rear of the drive.
Your hard drive might also need a jumper change to operate as a master w/slave present.
When powered and connected properly, boot the computer and the eject button on the CDROM should eject the tray.
Let me know if you need more.
Regards,
Ralph
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by:stealtoe
ID: 1013828
ok thanks for the help. i do need to find a driver for though.If you could tell me where to look for it from the model # that would be very helpful.
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by:rmarotta
ID: 1013829
I'll sure try!
Give me the manufacturer's name and model number.
There is usually a sticker or label somewhere on the outside of the drive.
Ralph
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Author Comment

by:stealtoe
ID: 1013830
thanks ralph I'll have to pull it out to get the # this evening i will let you know.
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by:stealtoe
ID: 1013831
ralph i found a device driver
made by matsushita-kotobuki. model #cr-563-b    
 I tried putting the comands in my auto.bat and config.sys that did not work out. the cd is in a metal box with no jumpers. I checked the book for jumpers on my comp. but it said nothing about creating a slave drive or changing jumper settings to do so.so a little progress has been made but not much.
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by:rmarotta
ID: 1013832
stealtoe,
That's an OEM double-speed CD-ROM drive made by Panasonic.
Although the 40-pin data cable on it is similar, the drive uses a proprietary interface which is not compatible with your IDE port.  The interface for your drive can be found on older soundcards, but they are getting rare.  Many of the Packard Bell computers used that drive connected to a soundcard/modem combo card.
The correct driver for it can be downloaded here, but I'm afraid it won't help until you find the proper interface:

ftp://ftp.panasonic.com/pub/Panasonic/Drivers/OEM-CDROM/56X_DOS.EXE

Let me know if you can locate an interface for the drive, and I can show you how to set it up.

Ralph
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Author Comment

by:stealtoe
ID: 1013833
wow thats not cool. so the only chance to get this cd rom hooked up to this comp. is to find an old sound card w/ an ide connection on it?Maybe i should just get a new one. well thanks.
If i find an old card i'll get back in touch.one more thing . is that cd rom compatible with most computers?
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by:rmarotta
ID: 1013834
No, you need the Panasonic interface.
It is not compatible with IDE.
Sorry, but that's the only way to get it to work.
Ralph
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Author Comment

by:stealtoe
ID: 1013835
so might my sound card have panasonic interface? I dont fully understand what you are saying . any chance you could explain it in laimens terms for ? sorry to keep bothering you . thanks
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Expert Comment

by:rmarotta
ID: 1013836
No bother, that's why I'm here.
The Panasonic interface connector looks just like an IDE connector. (It has 40 pins)
The problem is that the pins are wired differently on the two interfaces, making them incompatible with each other.
Check your soundcard to see if it contains any reference for the CD-ROM connector(s) on it.  Many were made with three or even four different connectors. For example some have Sony, Panasonic, and Mitsumi connectors, which are all proprietary.
Some other soundcards also included an IDE connector with those just mentioned.
You'll just have to identify the soundcard you have, or can get, to determine whether or not it has the needed Panasonic interface.
I hope this helps.
Let me know what you find, and I might be able to help you get it going.
Ralph
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