base on the spec found on their site, it should be dd0201 like dhc014 said.
• 4x DVD+R writing / 2.4x DVD+RW rewriting
• 4x DVD-R writing / 2x DVD-RW rewriting / 12x DVD-ROM reading
• 24x CD-R writing / 10x CD-RW rewriting / 40x CD-ROM reading
• BURN-Proof™ prevents buffer underrun and minimizes recording
failures
• Supported over-burn feature
• Supported 99 (870MB) or 90min (800MB) CD-R disc
• Supported 8cm or 12cm disc diameter
• 8MB internal buffer
• Firmware upgradeable
• Enhanced IDE/ATAPI interface
• PIO Mode 4, DMA Mode 2 and UDMA Mode 2
• Horizontal and vertical operation
• Supported optimum power control
• Supported DVD+R write speed at 2.4x and 4x
• Supported DVD+RW write speed at 2.4x
• Supported DVD-R write speed at 1x, 2x and 4x
• Supported DVD-RW write speed at 1x and 2x
• Supported CD-R write speed at 4x, 8x, 16x, 20x and 24x
• Supported CD-RW write speed at 4x and 10x
• Supported HD-BURN CD-R write speed at 6x, 12x, 16x and 24x
http://www.msi.com.tw/program/products/optical_devices/dvs/pro_dvs_detail.php?UID=498