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Plextor PL-MAN3, Operation Manual

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Plextor PL-MAN3 Operation Manual Download Page 20

CD-ROM Drive Set to Test Mode

Turn this switch OFF. The test mode is for factory use only. Always turn the drive OFF
before changing the setting of the switches.

Symptom

•

Low Performance of CD-ROM Application Software

Possible Cause and Solution

Drive Automatically Set to Standard Throughput (150KB/sec)

Plextor’s drives are designed to automatically switch from quad speed throughput
(600KB/sec) to double (300KB/sec) and then single (150KB/sec) speed when they
encounter a defective, damaged or poorly manufactured disc. The drive then will
continue to read data from the disk at double or single speed until a new read
command is transmitted to the drive. The drive will then attempt to return to quad
speed mode.

CHAPTER 13 ---- Troubleshooting

PX-43CH/PX45-CH OPERATION MANUAL  

61

Summary of Contents for PL-MAN3

Page 1: ...andard caddy is made of plastic and has a metal shutter on its bottom which slides open and shut Use of a non standard caddy e g onewhichlacksametalshutteronitsbottom isnotrecommended Fortheirprotecti...

Page 2: ...idity Drop the caddy or subject it to shock Open the shutter manually The caddy s shutter opens automatically when the caddy is inserted into the CD ROM drive Loading the Caddy into the Drive 1 Open t...

Page 3: ...ng the Disc If the disc is merely dusty you may use a commercially available dust removal spray such as Dust Off or Vari Air to blow dust particles off the disc After removing the dust particles you m...

Page 4: ...r 5 10 seconds The on busy light will blink rapidly for a moment confirming that your drive is now in Music CD Player mode If you insert a CD into a caddy then insert the caddy into the drive the driv...

Page 5: ...motion s MCS CDMaster which usually comes bundled with Future Domain SCSI interface boards CD Player which usually comes bundled with Adaptec SCSI interface boards or CD Audio which is part of the Cor...

Page 6: ...el of the headphone jack It has no impact on the volume level of the rear panel audio outputs PX 43CH PX 45CH CHAPTER 12 How to Play Music CDs on your Drive Stereo Mini Plug Audio Amplifier Audio Inpu...

Page 7: ...ge on your computer Take note of this message Then runthetest diagnostic programthatprobablyisincludedwiththedevicedrivers for your SCSI interface board Follow the instructions given in the SCSI inter...

Page 8: ...your problem after reviewing the relevant sections of this chapter please contact Plextor s Technical Support Department See Chapter 14 for information on how to prepare for and then make contact wit...

Page 9: ...These discs use only sound card audio not CD audio To help you determine if you are having a soundboard problem or a CD Audio problem try playing a music CD in your CD ROM drive If you can hear music...

Page 10: ...soundboard has different settings for each input source including one for CD Audio Run your soundboard s mixer program and verify that the volume is turned up Bad soundboard audio cable If you have ve...

Page 11: ...lutions Improper SCSI Device Driver Installation Your computer needs a SCSI software device driver to link the SCSI interface board to the CD ROM drive If this driver cannot be loaded properly an erro...

Page 12: ...twork boards fax boards etc and their device drivers from the CONFIG SYS and AUTOEXEC BAT files 2 Reboot the computer and ensure that the CD ROM device driver recognizes the SCSI interface board 3 Tur...

Page 13: ...arlier version will result in an INCORRECT DOS VERSION message A copy of MSCDEX EXE ver 2 22 is included with DOS 6 0 You can find this file in your C DOS directory If you previously had loaded MSCDEX...

Page 14: ...01 error message Try using another caddy and see if this eliminates the problem Also be sure to use only an industry standard caddy This is a caddy made of plastic with a metal shutter on its bottom I...

Page 15: ...valid Drive Specification Interface Board Driver Fails to No Device Found Recognize the CD ROM Drive Drive Not Responding Possible Causes and Solutions Drive is Not On If you have a PX 45CH external d...

Page 16: ...OM discs If the problem persists try setting the AUTO switch OFF This setting reduces the data transfer rate to 150 KB sec making it possible to read some marginal data Normally the transfer rate is 6...

Page 17: ...isc and 150KB sec for the audio region Always turn the drive OFF before changing the setting of the rear panel switches Drive Not Terminated If your CD ROM drive is the only SCSI peripheral attached t...

Page 18: ...lugs into pin 1 on both the drive and the interface board Audio CD Disc In the Drive Plextor CD ROM drives are capable of playing high quality audio when used with appropriateaudioplaybacksoftwareorwh...

Page 19: ...er of MSCDEX is required to read a High Sierra or ISO 9660 format disc Symptom Additional Symptom Excessive Noise CDR101 Error Message Disc Heard Jumping Possible Causes and Solutions Defective Caddy...

Page 20: ...ughput 150KB sec Plextor s drives are designed to automatically switch from quad speed throughput 600KB sec to double 300KB sec and then single 150KB sec speed when they encounter a defective damaged...

Page 21: ...m your System Folder and the ones copied from the CD ROM device driver disk If the CD ROM drive functions correctly reinstall the INITsoneatatime restartingtheMacintoshaftereachone untiltheproblemisso...

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