Academic journal article Library Technology Reports

Multi-Disc Drive Units

Academic journal article Library Technology Reports

Multi-Disc Drive Units

Article excerpt

MERIDIAN DATA, INC.

CD NetStore. Average access time: 200 ms. Data transfer rate: 330 KB/sec. Buffer size: 256 KB. Mean time between failure: 62,000 hours. Interface: SCSI-2. Computers supported: PC. Dimensions (width, height, depth): 190mm x 160mm x 300mm (two drives). Four controllers per file server maximum. Also available with four drives and seven drives. List price: $2,690 (includes SCSI card and cable).

OPTICAL ACCESS INTERNATIONAL

Access CD Turbo 6/Pak. Average access time: 290 ms. Data transfer rate: 612 KB/sec. Buffer: 256 KB. Mean time between failure: 25,000 hours. Interface: SCSI. Computers supported: Macintosh, AT, PS/2, Unix. Dimensions (width, height, depth): 8.25" x 4.1" x 14.6". Stores up to six discs with 5 seconds maximum disc change time. List price: $1,995 (Macintosh); $1,195 (AT bus), $2,095 (PS/2).

Access CD 6/Pak. Average access time: 600 ms. Data transfer rate: 153 KB/sec. Buffer size: 64 KB. Mean time between failure: 20,000 hours. Interface: SCSI. Computers supported: Macintosh, AT, PS/2, Unix. Dimensions (width, height, depth): 8.25" x 4.5" x 16.2". Stores up to six discs with 7 seconds maximum disc change time. List price: $1,495 (Macintosh); $1,495 (AT bus), $1,595 (PS/2).

CD/Quartet. Average access time: 180 ms. (Model A), 240 ms. (Model B). Data transfer rate: 330 KB/sec. (Model A), 335 KB/sec. (Model B). Buffer size: NA. Mean time between failure: 50,000 hours (Model A), 30,000 hours (Model B). Interface: SCSI-2. Computers supported: Macintosh, PC, PS/2, Novell NetWare. …

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