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Dvd drive trying to find what the panasonic UJ-85J dvd drive firmware setting is it master or slave

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Typically the master/slave setting is done with jumpers on the back of the drive. Look at the connection at the back and look for markings for Master and Slave. If you have the manual, that will tell you too.

Posted on Feb 19, 2008

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Need verbage on jumper settings for Master/Slave, & cable select. I cannotput my hands on a manual and am moving it to a new system. Thanks. //Jim//


There are three jumpers on the back of the unit marked MST, SLA & CAB or something like that.

If it will be the only drive in the system you are putting it in connect it to the black connector (or if they are not colored to the end connector). And use the MST (master) jumper.

If it will be the second drive connect it to the grey connector (or if they are not colored the second connector from the end) and use the SLA (slave) jumper.

Note that there can be only one slave and one master drive on the cable so if there is already a drive on the cable check to see if it is set up as a master or a slave drive and set the new one as the opposite.

Jul 23, 2011 | Lite On SOHD - 16P9S Internal DVD Drive

2 Answers

The cd/dvd drive is not recognized on HP Pavillon laptop.

If you recently removed or changed a drive from one of the drive bays, you may have to make one fo the drives the "master' and the other the 'slave'.
If you only have one drive and it is set to 'slave', it will probably not recognize the drive.
there is a small set of jumpers on the back of the drive, near the ribbon cable connection. you will need to look on the drive for the settings for master / slave, and set the drive appropriately.

May 19, 2010 | HP DVD DRIVE DVD Drive

1 Answer

How do i make this drive an ide slave instead of a

Put the jumpers on the pair in the middle and connect the unit with the connector from the middle of the cable. The ones on the left are cable select - always avoid it, you get boot troubles with it..

Apr 04, 2010 | Toshiba SD M1502 Internal DVD Drive

1 Answer

DVDs recorded & finalised on LG DR175 unrecognized by MacBook Pro

you may find the necessary codecs are not installed on your MacBook. and see if you can get them there (divx,xvid,mpeg1,mpeg2 or a codec pack- or ffd-show)
also update the drivers for the dvd drive.

Sep 29, 2009 | DVD/Blu-ray Drives

1 Answer


I would consult Sony's website to see if they have released a firmware update for that drive for your computer model.

Jul 28, 2009 | Toshiba Style Bay DVD-RAM Drive Kit...

2 Answers

How do you replace proprerly a CD/DVD Drive?

HI there

I belive what you have done is ccaused a conflict on the ide channel that the dvd is on you should check the jumpers on the back of your new device and match it with the setting from your old cd.

you have three options master , slave . or cable select (cs) you can only have one master or one slave on each ribbon cable .

by what you are saying the second device on that channel must be a hard disk if you dont have your old cd drive check what the hdd is set on ie master then set your dvd to the oposite ie slave .

if your hdd is set to (cs) then also set your dvd to (cs)

this should get you going

Regards Al "alstech"

May 25, 2009 | DVD/Blu-ray Drives

1 Answer

MATSHITA DVD-RAM UJ-820S ? I cannot get access to drive no more!!

Try to update Firmware if newer version is available. Try to reconnect it. I had a problem with my MATSHITA DVD-RAM on Toshiba Satellite A30 and it helped me.

Apr 17, 2009 | DVD/Blu-ray Drives

2 Answers

Cd rom and dvd drives were not visible.

Hi purushoth,

So neither of the ROM drives are available, or just the one? Your jumper settings may or may not be correct; in some systems, even having the IDE cable placement and jumper settings correct may still leave errors such as this.

Basically if you dink around with the settings (for example just try changing the Slave and Master) it will work (provided there's nothing wrong with the drives or IDE cable). I'd also suggest setting both to Cable Select as some systems (such as Sony VAIOs) oftentimes will only allow optical drives to function with that setting.


Feb 25, 2008 | HP (344542-005) DVD Drive

1 Answer

Setup Problem

Is the Master/Slave jumper set correctly on the back of the drive?

If the drive is on a cable with another drive of any type, one must be master and the other slave.

Also, double check that the ribbon cable is plugged in correctly.


Jan 24, 2008 | Lite On LiteOn 16x Black internal oem DVD...

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