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OB-U0192

 

6

 

Specifications

 

 

1.   Disc Format 

• 

CD-ROM  Mode 1  

• 

CD-ROM  XA  Mode2  (form 1,  form2) 

• 

Photo CD ( single and multiple session) 

• 

Video CD (4.4x – 10x) 

• 

CD-DA (4.4x – 10x at Audio Play, 8.8x – 20x at Read CD-DA ) 

• 

CD-Extra 

• 

CD-RW (read only, 4.4x –10x) 

• 

CD-I Ready 

 

2.   Disc Size 

• 

12 cm 

• 

 8 cm  (4X at data disc, Horizontal operation only) 

Precautions on playing CD singles(8cm discs) 

An 8cm disc can be played only when the drive is horizontal condition and the disc is set in the 
8cm groove on the disc tray at loading. 
Do not use an adapter for 8cm disc in any conditions for this drive, or malfunction may occur. 
 

3.  

Data  Transfer  Rate

 

Parameter 

Min. 

Typ. 

Max. 

Unit 

Note 

inner 

2250 

2415 

2625  kBytes/sec 

Sustained 

outer 

 

  

6000  kBytes/sec 

Max. 40X CAV Mode 

Burst 

4.0 

 

33.3 

MBytes/sec   

      Maximum data transfer rate is specified with a disc of 1.2m/s linear velocity. 
 
4.  Buffer  Memory  Size 

• 

128 kBytes

   

 

 

5.  Access Time/ Seek Time 

Parameter 

Min. 

Ave. 

Max. 

Unit 

Note 

Access Time 

 

70 

140 

msec 

Random

 

Average 

CD-ROM Mode1 Disc 

Random Seek Time 

 

60 

90 

msec 

Random  Average 

Full Stroke Seek Time 

 

160 

300 

msec 

 

Summary of Contents for DR-944

Page 1: ...Max 40X CAV ATAPI CD ROM DRIVE UNIT DR 944 DR914 Operating Instructions Pioneer Electronic Corporation ...

Page 2: ...e 70msec RandomAverage HighSpeedSeek SeekTime 60msec RandomAverage BufferMemorySize 128kBytes IDEDataTransferMode SupportsPIOMode4 DMAMultiWordMode2 UltraDMA33 SupportsKODAKPhotoCD SupportsSingleandMulti Session SupportsCD XAReady SupportsCD IReady SupportsCDExtra SupportsVideoCD SupportstoreadCD RWdisc SupportsPowerSaveMode StereoAnalogAudioLineOutput DigitalAudioThroughATAPI ReadCD DA HeadPhoneO...

Page 3: ...olumeControlKnob Head PhoneLevel Thisisthevolumecontrolknobforadjustingsoundlevelforhead phone Whentheknobisturnedtotheright thehead phonevolumegoesup andturnedtotheleft the volumegoesdown 4 BUSYIndicator Itislitwhendataonthediscisaccessed 5 EjectButton Thisbuttonisusedtoloadandunloadthetray 6 ForcedEjectionHole Whenadiscisstackedinthedriveandtheejectbuttondoesnotworktoopenthetray insertastiffrod ...

Page 4: ...ordingtotheATAspecifications Itmaycausedatatransfererror iflongercablemorethanabovevalueisused Pin Name Pin Name Pin Name Pin Name 1 RESET 11 DD3 21 DMARQ 31 INTRQ 2 GND 12 DD12 22 GND 32 IOCS16 3 DD7 13 DD2 23 DIOW 33 DA1 4 DD8 14 DD13 24 GND 34 PDIAG 5 DD6 15 DD1 25 DIOR 35 DA0 6 DD9 16 DD14 26 GND 36 DA2 7 DD5 17 DD0 27 IORDY 37 CS1FX 8 DD10 18 DD15 28 CSEL 38 CS3FX 9 DD4 19 GND 29 DMACK 39 DAS...

Page 5: ...omtheplant Pin Name Function 1 MA on ThedriveisusedinMasterMode 2 SL on ThedriveisusedinSlaveMode 3 CS on Using CableSelect function 4 Reserved 5 Reserved 4 AudioOutput Aconnectorforoutputofanalogaudio This connector is compatible with Molex 70553 choose a connection cable which matches with the connector Pin Name Function 1 L Leftchannelaudiooutput 2 G Ground 3 G Ground 4 R Rightchannelaudiooutpu...

Page 6: ...tionandthediscissetinthe 8cmgrooveonthedisctrayatloading Donotuseanadapterfor8cmdiscinanyconditionsforthisdrive ormalfunctionmayoccur 3 Data Transfer Rate Parameter Min Typ Max Unit Note inner 2250 2415 2625 kBytes sec Sustained outer 6000 kBytes sec Max 40XCAVMode Burst 4 0 33 3 MBytes sec Maximumdatatransferrateisspecifiedwithadiscof1 2m slinearvelocity 4 Buffer Memory Size 128kBytes 5 AccessTim...

Page 7: ...stoppedbyissuingstopcommand 7 LoadingTime UnloadingTime Parameter Specification Note LoadingTime Lessthan4sec Theperiodfromadiscstartsloadingtillitis clumpedin thedrive UnloadingTime Lessthan4sec The time of disc unloading with stop condition by pressingtheejectbutton 8 AudioCharacteristic Item Specification Note Lineout 0 7 0 1Vrms 10kohmLoad Output level HeadphoneOut 0 45 0 2Vrms 32ohmLoad S NRa...

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