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AOpen CRW 4048







Specification of the AOpen CRW 4048 :
Firmware version 1.00
Recording modes Disc-At-Once, Track-At-Once, Session-At-Once, MultiSession, Packet Writing
Recording formats CD-ROM, CD-ROM XA, CD-Audio, CD Extra, CD Text, CD-I, CD-Bridge, Photo-CD, Video CD, Hybrid 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 120 ms
CD-R recording 4x, 8x, 12x (CLV)
16x, 20x, 24x, 32x, 40x (Z-CLV), 
CD-RW recording 4x, 8x, 10x, 12x
Buffer underrun error prevention technology JustLink
Optimal write speed and laser power technology JustSpeed
Interface Ultra DMA 33
Reading 48x max (6600 KB/s)
Buffer size 2048 KB
Production date April 2002
Manufacturer Taiwan

The drive ships in a Retail package.

The box contains:

  • Installation manual
  • CD with software for disc recording: Nero Burning Rom 5.5.7.8 from Ahead Software and InCD 3.2.4 
  • CD-R AOpen for high-speed recording and High Speed CD-RW 4x-12x 
  • 4 screws
  • Analog cable for connecting the drive to a sound card. 









ATIP: 97m 15s 17f 
Disc Manufacturer: Ritek Co.
Reflective layer: Dye (Short strategy; e.g. Phthalocyanine)
Media type: CD-Recordable
Recording Speeds: min. unknown - max. unknown
nominal Capacity: 702.83MB
(79m 59s 73f / LBA: 359848) 
ATIP: 97m 10s 00f
Disc Manufacturer: Unknown Disc Identification Code 
Reflective layer: Phase change
Media type: CD-ReWritable
Recording Speeds: min. 4X - max. 8X
nominal Capacity: 702.83MB
(79m 59s 74f / LBA: 359849) 

Like the 24x model, this one lacks for an IDE cable. While it's excusable for Bulk and OEM packages, a Retail bundle must have everything for connection of the drive. 

The Nero Info Tool utility provides the following information on the AOpen's recorder: 




Again we revealed one peculiarity of the AOpen's models. While the CRW2440 couldn't record media with ATIP 4M (e.g. Mirex) at the speeds over 12x, the CRW 4048 allows for maximum of 24x with the JustSpeed disabled. 



It's not a big downside as we offered the Mirex discs of the maximum speed of 24x, but most other CD-RW drives can offer higher write speeds for media with such ATIP. It's interesting that for all 10 discs we offered for the drive the speed wasn't lower than 8x. As a result, the cyanine SKC was recorded at 8x. 



The exterior of the drive copies the previous models. 



Like the 24x model, the new one has a solid tray, i.e. without a flap lid. It houses headphone jack, a mechanical volume control, an emergency ejection hole and one small LED. The drive can be installed both in vertical and horizontal positions. The tray drives out quickly right after you press the Eject button. 

The drives makes much noise in operation, or even drones. Discs ejected from the CRW 4048 after intensive reading are quite warm. 

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Alexander Vorobiev (vorobiev@ixbt.com

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