iXBT Labs - Computer Hardware in Detail






Mitsumi CR-485CTE

Specification of the Mitsumi CR-485CTE:
Firmware version1.0c
Recording modesDisc-At-Once, Track-At-Once, Session-At-Once, MultiSession, Packet Writing
Recording formatsCD-DA, CD-ROM, CD-ROM XA, Photo CD, Mixed Mode CD-ROM, CD-I,CD-Extra, CD-Text, Video CD, DVCD, Bootable CD
Read/write  support in Raw-modeRAW-DAO - supported
RAW-DAO Write Simulation - supported
CD+G RAW-DAO - supported
RAW-SAO - supported
RAW-SAO Write Simulation - supported 
Average access time80 ms
CD-R recording4x, 8x, 16x (CLV) 
24x, 20x-40x (Zone-CLV)
CD-RW recording2x, 4x, 8x, 10x, 12x, 20x (CLV)
Buffer underrun error prevention technologyExac-Link
InterfaceUltraDMA 33
Reading48x max (7200 KB/s)
Buffer size2048 KB
Production dateJune 2002

The drive came in the OEM package, i.e. only the drive itself.

The CR-485CTE is one of the first drives we received with the write speed over 16x. But more or less acceptable results reminding 20x can be obtained with a blank, unformatted CD-RW disc. The drive rewrites discs at 12x. Such record method is called SSWPAT (Super Speed Write). 

The new Mitsumi's solution supports the Aegis Write technology. Like the SafeBurn from Yamaha, the Aegis Write can control and optimize laser power, speed and quality of recording. 

In spite of its up-to-date technologies the CR-485CTE is very demanding as far as quality of media is concerned. When we inserted a low-quality disc and set the speed at 40x we found out that sometimes the recorder was not able to select a correct write speed or reduce it during recording. 

We didn't have such a problem with high quality CD-Rs from TDK, Sony, Imation, Philips and others. 

The Nero program provides the following information on the recorder: 

Nero InfoTool utility: 

The Mitsumi's drive is based on the OAK Technology's chipset OTI-9797: 

Like the CR-4809TE, the OEM version will have just 2MB buffer memory, while the Retail one will come with a 16MB buffer. 

The drive works noiselessly even at high speeds. 

The appearance is different fro the previous models - it became less sophisticated. However, there is one LED working in several modes. 

The drive can be installed both in vertical and horizontal positions. 

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Alexander Vorobiev (vorobiev@ixbt.com

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