iXBT Labs - Computer Hardware in Detail







Specification of the TEAC CD-W524E:
Firmware version 1.0A
Recording modes Disc-At-Once, Track-At-Once, Session-At-Once, MultiSession, Packet Writing
Recording formats CD-DA, CD-ROM, CD-ROM XA, Photo CD, CD-Text, CD-I, CD+G, CD-Extra, Video CD
Read/write support in Raw-mode RAW-DAO - supported
RAW-DAO Write Simulation - supported
CD+G RAW-DAO - supported
RAW-SAO - supported
RAW-SAO Write Simulation - supported
Average access time 80 ms
CD-R recording 4x, 8x, 12x, 16x (CLV)
24x (Zone-CLV)
CD-RW recording 4x, 10x
Buffer underrun error prevention technology BURN-Proof
Interface UltraDMA 33
Reading 40x max (6000 KBytes/s)
Buffer size 2048 KBytes
Production date November 2001
Manufacturer Malaysia
Price as tested up to $125

The drive ships in a Retail package.

The box contains:

  • Quick Installation Guide in 8 languages
  • "Information CD" containing information on TEAC products
  • CD with software for disc recording: Nero Burning Rom, InCD 2.31 from Ahead Software
  • CD-R TEAC for high-speed recording and High Speed CD-RW 4x-10x
  • 4 screws
  • Analog cable for connecting the drive to a sound card
  • IDE cable.

ATIP: 97m 27s 56f
Disc Manufacturer: Mitsui Toatsu Chemicals, Inc.
Reflective layer: Dye (Short strategy; e.g. Phthalocyanine)
Media type: CD-Recordable
Recording Speeds: min. unknown - max. unknown
nominal Capacity: 650.85 MBytes (74m 05s 11f / LBA: 333236)
ATIP: 97m 34s 23f
Disc Manufacturer: Mitsubishi Chemicals Corp.
Reflective layer: Phase change
Media type: CD-ReWritable
Recording Speeds: min. 4X - max. 8X
nominal Capacity: 656.40 MBytes (74m 43s 00f / LBA: 336075)

Character and method of recording:

Not so long ago we were able to connect the TEAC company and receive data on new technologies used in this drive and some information on future plans.

Petar Stojcevic, technical specialist and sales manager, said the company pays a great deal of attention to high quality of their products and to maintaining prices at the optimal for users level.

The CD-W524E was from the very beginning meant for end-users instead of OEM manufacturers. The policy the company follows for Retail and OEM versions has changed. Thus, a 24x CD-RW drive in an OEM package costs less but it has a lower functionality as the OEM version is limited in an audio data extraction speed to 32x, while the Retail versions supports 40x.

Besides, the company doesn't disregard mechanical and electronic components, in particular a chassis of the drive: at a high speed vibrations can't be eliminated completely. Unlike drives from other firms, the TEAC ones are made of metal 1.2 mm thick which makes possible to eliminate vibration considerably. Besides, the drives have a weighty base which also allows making vibration as low as possible. The new drive also use a new method of fixing a disc inside the drive; it is based on magnetic coupling of two fasteners.

During recording a laser generates much more energy than in course of reading. If a writing speed goes up the difference becomes more. At high speeds it is very important to warm up an active layer accurately because it influences accuracy of positioning of a pit in a groove. And TEAC developed an ASC technology (advanced servo circuit) to improve this process. It positions a laser on the required point of a disc automatically.

The TEAC's drive supports the Write Proof technology which includes a function of suspending recording when a data stream from the buffer breaks, and an OPC function (optimal power control). The recorder chooses an optimal recording speed and optimal laser power for every CD.

Here is what the Nero says you about the drive:

This is how the drive looks inside:

The Sanyo's chip is marked as LC898098 UJON 1FKOG.

The drive whistles loudly, but it doesn't make much noise or vibrate.

The appearance remains the same since the 54th model. However, the designers are working on its improvement. But as TEAC collaborates with some major computer makers, which install TEAC's drives into their computers, such ascetic design is important as it suits systems with any appearance.

Ejected discs are not too warm.

It is interesting that one can easily discern parts with different recording speeds on discs recorded at the highest speed, especially on cyanine ones.

The warranty period of the drive is extended to two years in Europe.

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