224-ST the Introducing

ST-224 Memory Configuration

The following three types of memory are used in the ST- 224.

•Main memory

Volatile memory whose contents are lost when the ST-224 is turned off. Temporarily holds waveform data, pad parameter setting data, and song data for the internal sequencer.

•Backup memory

Nonvolatile memory whose contents are retained also when the ST-224 is turned off. Serves for permanently storing the entire contents of the main memory (bulk data). Only one set of bulk data can be stored in the backup memory.

•Data card (SM04)

External storage media inserted in the [DATA CARD] slot on the rear panel of the unit. Like the backup memory, it serves for storing bulk data, but it can hold more than one bulk data set (as many as the card capacity allows). When the store target is a data card, up to 99 sets of bulk data can be stored.

When sampling or song recording is performed with the ST- 224, the waveform data and song data are temporarily stored in the main memory. During pad play and song playback, the ST-224 will read data directly from the main memory.

ST-224

 

Sequencer

 

 

 

 

 

 

section

 

 

 

 

 

 

 

 

 

 

 

 

 

DATA CARD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Store/Read-in

 

MAIN MEMORY

 

 

 

Bulk data

 

 

 

 

 

 

 

 

 

 

 

 

Automatic

 

 

 

Store/Read-in

 

 

 

 

01–99

 

 

 

 

 

 

 

read-in

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

at power-on

 

 

 

 

 

 

 

Pad data

 

 

 

 

 

 

 

 

 

 

 

BACK UP Memory

 

 

PAD

Bulk data

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Read-in

 

 

 

 

 

 

 

 

Waveform data

 

 

 

 

 

 

 

 

 

WAV file/AIFF file

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Waveform

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

data

 

 

If the contents of the main memory are not saved to internal backup memory or to an external data card (SM04), they will be lost when the unit is turned off. To prevent losing important data, be sure to save them before turning the unit off, or more often if there is a possibility of power interruptions. Bulk data saved in backup memory are automatically read into the main memory the next time the unit is turned on. (This means that the unit returns to the same condition that was active before the power was switched off.) It is also possible to manually load data from backup memory or data cards into the main memory.

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