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Comco 3490-E1A

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Comco 3490-E1A

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Comco Desktop 36-Track Tape Drive


Extended Warranty for Tape Drives

Our Extended Service eliminates hourly repair bills and puts you at the front of the line for tape drive repair. We repair many brands and formats of tape drives:

  • HP 88780/7980- based 9-track tape drives, including Tandem 5170, Tandem 5175, IBM 9348, Sun, Scitex, Sequent, AT&T, NCR;
  • 18-track, 36-track, 128-track, 256-track and 384-track SCSI by Xcerta, Fujitsu, Tandem, IBM, Sequent, Qualstar, Overland Data, JVC, MP Tapes, VDS. (Formats: 3480, 3490, 3490e, 3590, 3590e, 3590h.)
  • Don't wait till trouble finds you. Call 800-432-8638/563-355-1212 today.


    The Comco 3490-E1A offers full function 3490E tape performance and compatibility at a substantially lower price than other 3490E tape subsystems.

    The Comco 3490-E1A may be used to create tapes for archive files, for backup and restore in the event of system or disk storage problems, for off-site data storage for disaster recovery, and for data interchange with other systems.

    Comco 3490-E1A Highlights

    • Sturdy, compact desktop enclosure
    • Data rate of 3 MB/sec (6.5 MB/sec typically with compression)
    • 0.8 GB capacity per cartridge (2.4 GB typically with IDRC)
    • Fast and wide SCSI-2 differential interface
    • Reads and writes 36-track bidirectional recording format
    • Reads 18-track tape cartridges

    High Performance

    Using the 3490E's IDRC data compression, the Comco 3490-E1A provides an effective throughput as high as 6.5MB per second (Mileage may vary... actual throughput is a function of the system processor, data block size, and software used).

    The fast and wide (16-bit) SCSI-2 differential interface supports peak data rates of up to 20MB per second. Both 8-bit and 16-bit transfer are supported. Using an interposer for 8-bit mode, peak data rates of up to 10MB per second are possible.

    Speedy Backup and Restore

    In the event of loss or damage to files on disk storage, the Comco 3490-E1A allows you to quickly replace backed-up files, improving productivity and system availability.

    Error-Free Reading and Writing

    The Comco 3490-E1A incorporates a single pass read-after-write function in addition to extensive error correction functions. Read-after-write checks the data as it is written. Most errors can be corrected by the ICU as the tape is written. If a problem cannot be corrected, the tape unit retries and attempts to write (or read) the data correctly. If the problem remains uncorrectable, the operator is notified. The drive does not continue if data cannot be accurately recorded.

    Save Time During Rewind

    The 36-track bidirectional recording format can reduce or eliminate rewind time. The bidirectional head writes 18 tracks from the load point to the end of the tape and then writes the other 18 tracks from the end of the tape back to the load point, eliminating the rewind time for full tapes.


    Tape drive type 1/2-inch
    Capacity 0.8 GB (2.4 GB typical with compression)
    Media IBM Enhanced Capacity Cartridge
    Maximum effective
    data transfer rate
    3 MB/sec (6.5 MB/sec sustained typical with compression)
    SCSI Interface SCSI-2
    Supported systems Supported on selected RS/6000 models using the SCSI-2 Differential High-Performance I/O Controller
    Tested operating systems Supported on the RS/6000 with AIX Version 3.2.4;
    Tested on Windows 98,ME,NT,2000,2003,XP;*
    Linux (most flavors);

    * requires additional software
    Dimensions 8.5" H x 8.8" W x 20.5" D
    (216mm H x 220mm W x 521mm D)
    Weight 43 lb (19.5 Kg)
    Operating environment
    Temperature (media in use) 60 °F-90 °F
    (16 °C-32 °C)
    Relative humidity 8% - 80%
    Wet bulb 80.6 °F (27 °C) maximum
    Power requirements 151 watts

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    Data Processing Software: Data Conversion / Search-And-Replace / Raw Databases / Developer Components / Mail & Data Utilities / PAVE-Certified Postal Presorting / CASS-Certified Postal Coding / Tape Drive Control / Tape Drives: LTO3, LTO4, LTO5 Tape Drives and Libraries / 3592 J1A, E05, E06 / 3590B, 3590E, 3590H / 3480, 3490, 3490e / 9-Track / Tape Drive Repair / Recertified Tape / Electronics Repair: Professional Hardware Repair / Data Processing

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