Yamaha A5000 Owner's Manual - Page 65
I/O Interface, Data Organization & Management, Data in Memory
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1. System Overview I/O Interface The A5000/A4000 has a built-in floppy disk drive which can be used to save and load samples, programs, and other data. Additional storage devices such as hard disks, ZIP drives, CD-ROM drives, etc., can be connected externally via the sampler's built-in SCSI interface, or internally via the SCSI and IDE connectors provided. An optional I/O expansion board is also available which provides digital coaxial and optical inputs and outputs for direct sample and playback of digital signals, as well as a number of individual analog outputs. The A5000/A4000 wave memory can be expanded up to a maximum of 128 megabytes. Data Organization & Management All data in the A5000/A4000 internal memory will be lost when the power is turned off. For this reason data save and load operations are essential for efficient operation of the A5000/A4000. In this section we'll take a look at how the internal memory and disk storage media are related. Data in Memory Samples, sample banks, and programs being used by the sampler are kept in the internal memory. Other types of data kept in internal memory are sequences and system parameters. Sequence data consists of MIDI performance data recorded from an external MIDI device via the sampler's UTILITY mode. System parameters are retained in non-volatile memory which is not lost even when the power is turned off. System parameters include the UTILITY mode Total EQ parameters, Panel Play, Master, System, and MIDI parameters, as well as setup data for the RECORD mode. The system parameters also include the program-to-part assignments for the tone generator when the Multi mode is selected. Wave Memory Sample Wave data Sample Wave data Sample Wave data Parameter Memory Sample parameters Sample parameters Sample parameters Sequence data Assign Sample Bank Program 001 Sample Select Program Parameter Easy Edit Program 002 Sample Select Program Parameter ... Easy Edit Program 128 Sample Select Program Parameter Easy Edit System Memory System parameters q q q q q q q q q q q q q q q q q q q q q q q q q q q q q q q q q q q q q q q A5000/A4000 • Chapter 3 The A5000/A4000 System & Features 65