March 17, 1998 Hitachi DVD-RAM External Unit Debuting in Japan Hitachi, Ltd. Today announced the upcoming release of GF-1055, a DVD-RAM external unit for PCs conforming to the universal standard. The GF-1055 will be available at dealers in Japan from April 15. Product overview Product: DVD-RAM external unit kit for personal computers (SCSI-2 interface) Model: GF-1055 Price(excluding tax): Open price Shipping date: April 15, 1998 (in Japan) As a leading manufacturer of DVD drives, Hitachi has aggressively sought to invigorate and expand the market for DVD units by setting industry firsts with the sample shipment of a 2X DVD-ROM drive in March 1997 followed by shipment of DVD-RAM drive samples in June of the same year. Adding to this momentum, it will now introduce the GF-1055 external drive kit for personal computers on April 15 in Japan. The DVD-RAM is a large-capacity storage disc that far exceeds the capabilities of conventional rewritable media both in reliability (addressing error rate: 10-23) and storage density (2.6 GB per side). The massive 2.6 GB storage capacity is available for efficient, waste-free recording of anything from large-volume, continuous data of video images and the like to finely segmented, non-continuous data. Data rewrites are accurate and fast. Because of these features, DVD-RAM discs are widely looked to as the low-bit cost, large-capacity storage media needed to accelerate advances in multimedia. A list of potential applications would be almost endless -- storage and backup of computer graphics data including high-volume downloads from the Internet, and storage of video data from Hitachi's industry-first MPEG camera as well as digital camera still image data, distribution of high-volume corporate data, and corporate internal data backup. The GF-1055, to be available at dealers starting April 15 in Japan, is a DVD-RAM external unit kit for use exclusively with MicrosoftR WindowsR 95 based PCs. The main unit will be bundled with a DVD-RAM disc, UDF (Universal Disc Format) file system drivers and other items needed for quick PC installation and use. The main unit is equipped with a Hitachi 2-lens, 2-laser beam head with a 650nm laser and an LSI chip set with high-speed digital signal processing capability to enable reading of the whole CD family, including DVD-ROM/R discs and CD-ROM / R/RW discs. As a unit offering low-bit cost data storage for personal computers and providing a bridging media between computers and home AV, the GF- 1055 is expected to find an expanding range of general, business and personal applications. Hitachi, Ltd., headquartered in Tokyo, Japan, is one of the world's leading global electronics companies, with fiscal 1996 (ending March 31, 1997) consolidated sales of 8,523 billion yen(68.7 billion dollars*). The company manufactures and markets a wide range of products, including computers, semiconductors, consumer products and power and industrial equipment. For more information on Hitachi, Ltd., please visit Hitachi's Web site. Main specifications of GF-1055 external DVD-RAM unit 1. Disc format compatibility DVD DVD-RAM Write/Read supported DVD-ROM/R Read supported CD CD-ROM mode 1 Read supported CD-ROM mode 2 Read supported (CD-ROM XA/CD-I) Audio CD Read supported Data & audio mix mode Read supported CD extra Read supported CD-R, CD-RW Read supported 2. Main specifications Continuous data transfer rate(MB/s) and average access time(ms) DVD- RAM 1.38 MB/s 210 ms DVD-ROM/R 2.76 MB/s 210 ms CD-ROM/R/RW 1.20 MB/s(mode 1) 150 ms 1.37 MB/s (mode 2) 150 ms Buffer memory: 1 MB 3. Interface specifications Interface type: SCSI-2 Burst data transfer: Fast Sync 10.0 MB/s Async: 4.0 MB/s 4. Environment requirement Ambient temperature: During operation 5 to 35 C degrees During storage -30 to 60 C degrees Relative humidity: During operation 15-85%(provided no dewing) During storage 10-90%(provided no dewing) 5. Reliability Bit error rate: less than 10-12 6. Other Dimensions (WxDxH): 180 x 343 x 50 (mm) Weight: Approx. 3.0kg (more) Main features of Hitachi GF-1055 external DVD-RAM unit kit 1. Various CD/DVD discs supported The 2-lens, 2-laser beam head equipped with 650nm red and 780nm infrared semiconductor lasers extends the capability of the GF-1055 beyond the rewriting/reading of DVD-RAM discs to the reading of various other disc types including DVD-ROM/R and CD-ROM/R/RW. High-speed data transfer High-speed digital signal processing capability combines with a high- speed mechanism to offer a data transfer rate of 1.38 MB/s for DVD-RAM discs and a double-speed transfer rate of 2.76 MB for DVD-ROM/R discs.
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