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Home > Hardware Reviews > Optical Storage > Combo

Tuesday, November 25, 2003
Teac DW-548D

1. Retail Package - Installation


TEAC's DW-548D combo drive, offers high speeds for CD-R reading and writing, with speeds up to 48x and 24x speed for rewriting CD-RWs. For DVD-ROM media reading offers speed at 16x.


The DW-548D combo drive is an ATAPI/IDE device. It supports Mount Rainier and write proof with no more buffer underruns. Bellow are presented the specifications for the drive, as they have been declared by the manufacturer:

Model: DW-548D
Interface: IDE/ATAPI
Write Speeds: CD-R: 48X max. (7.2MBps) CAV CD-RW: 24X (3.6MBps) CAV
Read Speeds: CD: 48X max. (7.2MBps) CAV DVD: 16X max. (21.6MBps) CAV
Digital Audio Extraction: 48X max. (7.2MBps) CAV
Access Time: CD: 120msec DVD: 140msec
Data Buffer Size: 2MB
Buffer Management: Buffer Underrun Prevention
Write Methods: Track at Once, Disk at Once, Multi-Session and Incremental
Read Compatibility: 8cm/12cm, Audio CD, CD-ROM Mode-1, Mode-2 (Form 1, Form 2), CD-ROM XA, CD-R, CD-RW, Video-CD, CD Extra/CD Plus, CD-I, CD-DA, CD-ROM, CD-TEXT, DVD-ROM, single/dual layer, DVD+R, DVD+RW, DVD-R, DVD-RW.
Write Verification: Running Optimum Power Control to Dynamically Adjust Laser Write Power Logical Recording
Format: ISO 9660 and UDF Packet Writing Drag and Drop Recording.EasyWrite (Mount Rainier) Supported
Disc Loading: Power Loading Tray
Front Panel: Built-in Headphone Jack, Volume Control Knob, Power Eject/Load Button, LED Indicator
Power Requirements: +12V DC and +5V DC
Headphone Jack: 3.5mm Diameter Stereo Jack
Mounting Orientation: Horizontal or Vertical
Safety Standards: UL, CSA, TUV
MTBF: 70,000 POH
Dimensions: 5.7”(W) x 1.63”(H) x 6.69”(D)
Weight: 2.0 lb

The picture above shows us the features and specification of the device. It supports region control RPC Phase II mode which means that user can change region up to five times, including the initial setting.

- The drive

The packing box contain the device, an interface and audio cable, the mounting screws, user's manual and warranty booklet. Inside the box there are also TEAC's information CD-ROM, NERO 5 CD, WinDVD 4 CD and one blank 80min. CD-R.

The drive's front panel is colored white. On the tray door there are the DVD-ROM logo centered and the Compact Disc ReWritable logo on the right. Below and right, there is the eject button and from left to right there is the headphone jack, the volume control and the activity/power led. The emergency eject hole is up from the volume control.

On the rear panel there are the analogue and digital audio outputs, the IDE interface and the power input.

Removing the screws and opening the drive's cover voids the drive's warranty. For reference reasons, we post the following pictures. Click on the photo for an enlarged view.

- Installation

Connecting the device to the motherboard, using the interface cable and starting the Windows, the drive identified as "TEAC DW-548D" as you can see below. All tests were done with firmware revision K4H4.

The following pages include test results for TEAC DW-548D drive. For measure reasons, we compare Teac`s results with two more combo drives, the Optorite DC4801 and LiteOn TLC48161H.

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