Yamaha DX7 II FD Supplemental Booklet page 22

1ypes of Media
RAM
Cartridges
The allows you to store and recall data from a variety of media. These include:
DX7 II
Internal Memory (RAM), RAM4 Cartridge, ROM Cartridge (recall only) , and floppy disk.
You may store 64 voices,
and one system setup in the
There are two types of
DX
data from the factory. This data is "burned into memory" and may not be changed. A
RAM cartridge allows you to store your own data.
Possible RAM4 Contents
Voice
•
•
•
: : :
:
A RAM4 cartridge, formatted for voice and performance data, may store
performance memories, two of your own microtuning scales, and one system setup.
A RAM4 cartridge, formatted for fractional scaling data, may store fractional scaling data
internal voices. When a fractionally - scaled voice is selected from internal memory
for 64
the looks to the cartridge for the corresponding fractional data. As mentioned
DX7 II
earlier, this is necessary because fractional scaling data requires a lot of memory.
A RAM4 cartridge, formatted for micro tuning data, may store up to 63 micro tuning
scales. These may accessed directly from cartridge, or you may load a microtuning
be
scale into one of the user scales in the
32 performance memories, two of your own microtuning scales,
DX7 II Internal Memory.
cartridges, ROM and RAM. AROM cartridge is loaded with
&
Performance Memory
64
Voice Memories
32
PERFORMANCE Memories
2
micro tunings
Fractional Scaling Memory
Micro Tuning Memory
Internal Memory.
DX7 II
- 18 -
.
: . . . · : · : · : : · : · : : : · : :
.. ..
voices,
64 32