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manual abstract
Fixed disk drives with other ID numbers can be formatted in either Internal or External drive groups. CHANGING DEVICE NUMBERS Most external drives have a switch on the rear panel to set the device number. Follow the instructions included with your drive. The device numbers of the DM-80 are set to 7 for SCSI busses A and B; the internal disk(s) are set to Device 0. For the SCSI EXT bus, the DM-80 is set to Devices 3 through 6. Note: For interfacing via MIDI {without SCSI), you do not need to be concerned with device numbers. TERMINATION Each DM-80 SCSI port is a completely independent SCSI chain. Each port must be properly terminated for the DM-80 to operate correctly. There must be no more than two terminators in each chain, one at the beginning and one at the end. • Each DM-80 SCSI port is internally terminated. • If you connect one device to the DM-80, that device needs a terminator. • If you connect more than one device, only the device at the other end of the chain should have a terminator. Apple Macintosh computers have terminators built-in. If you are using a Macintosh it should be placed at the end of the chain. Other devices may also have built-in terminators. • If you connect several DM-80 racks to the SCSI EXT bus for backup, remember that only the units at the ends of the chain should have terminators—the units in the middle should have their terminators removed. If more than two devices in a single chain have terminators, one or more of them will need to be removed. This can be done by an Authorized Roland Service Center. Please contact your dealer or Roland for the nearest service center. ROLAND DM-80-4 / DM-80-8 • OWNER'S MANUAL 2 1 DISK DRIVE SPECIFICATIONS HARD DISK DRIVES OPTICAL DRIVES TAPE BACKUP For Real-time recording any hard disks or Optical drives must meet minimum standards for access time and sustained data transfer. In other words, they must be very fast. For backup or non real-time applications, drive speed is not a usage limitation. For backup, many drives will work, although you probably want to use an optical disk or a tape backup. The listing of recommended drives enclosed with your DM-80 gives specific information about drives that have been tested with the DM-80. Your dealer may have other, more up-to-date information regarding compatible drives. The following gives general information about the advantages and disadvantages of different types of devices. Fixed disk drives, commonly known as Hard Disks, combine large capacity with high speed at a moderate price. The most common type of drive, hard disks are available in many sizes up to and beyond 1 Gigabyte (1024 Megabytes). Optical disk drives are well-suited for backup since they store 320MB (57 track-minutes @ 44.1 kHz) or more on each side of the disk. By using the COPY PROJECT command, you can create backups of your Project data onto optical disks. 4mm and 8mm Tape backup devices provide a cost effective method for making backup copies of hard disk data. 22 ROUND DM-80-4 / DM-80-8 • OWNER'S MANUAL UPGRADES AND SERVICE SYSIHVIS0FI1MRE Roland will periodically release new versions of system software to fix problems or add new features. When software upgrade ROMs are available, you will need to bring your unit to a Roland Authorized Service Center for installation. EIGHT TRACK UPGRADE (DM-80-E) A DM-80-4 can be upgraded to eight tracks with the installation of the DM-80-E Expansion Upgrade. The DM-80-E must be installed by a Roland Authorized Service Center. For more information, contact Roland or your nearest Roland Authorized Service Center. IF THE DM-80 DOESN'T FUNCTION Before you take your unit for servicing, check and be sure one of the following situations is not causing your problem. • Check that all cables are connected properly. • Make DM BUSS, SCSI, MIDI and Serial (RS-422) connections with the power off. • Make sure all disks in the same group are connected, and that all disks are connected to the proper SCSI connector. • Never disconnect any cable while the system is on. If this occurs you will be forced to turn off the power to the system, and all unsaved data will be lost. • Did you power up the system in the proper order? See page 17. ROLAND DM-80-4 / DM-80-8 • OWNER'S MANUAL 23 RETURNING FOR SERVICE The DM-80 has no user-serviceable parts. Attempts by unauthorized personnel to repair or modify the DM-80 will void the warranty. If you have trouble with the unit, you must bring or sent it to an authorized Roland Service center. Consult your dealer or Roland for the nearest service center. When preparing to ship the unit, first be sure to park all internal drives in the DM-80, as well as any drives connected to it. From the SYSTEM page, press SHUT (FI). Wait until all drives have stopped spinning, approximately 30 seconds, before turning off the power or moving the unit. Use the original packing material that came with the DM-80 to ship the unit. If the original pack...