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• 3 Disk & Hard disk
GENERAL INFORMATION
Working with disks provides you with a means of
building a library of Performances, Styles, Sounds
and Songs that you can load into the SK760/880
RAM memory at any time. As you become more
familiar with your SK760/880, you'll discover the
practical uses of working with disks, because of
the flexibility and power that they offer.
Floppy disks and the Hard disk
The SK760/880 can handle floppy disks and hard
disks of the following types.
•
Floppy disks: 3.5" high density (HD) and
double density (DD).
•
Hard disk: a 2,5" IDE or E-IDE unit with a
capacity of 2 Gigabytes (max.). Installation
requires the Generalmusic HDisk kit which
also expands the System-RAM. A Hard disk
has faster access times and more conven-
ient than floppies. The SK760/880 with a
factory installed Hard disk is write-protected
to avoid accidental cancellation of the files it
contains. However, the protection can be de-
activated (see "Hard Disk Protection" option
in the Disk Utility page).
Floppy disk formats
SK760/880 recognizes the following formats:
• SK760/880 expanded format (1.6 Mb);
• standard MS-DOS (1.44Mb);
• Atari ST/Falcon format (720 Kb).
SK760/880 is able to initialize disks for every for-
mat. It is also possible to load Ram-Sounds,
Styles and Songs from WK, SK, PS, WX and SX
Series disks.
Song disks of other formats, such as the WK3
and PS1500 Series, are recognized if the data
conforms to the GMX format, a General MIDI
eXtended format by Generalmusic which renders
the first three banks of all SK760/880 Series in-
struments fully compatible.
SK760/880 cannot read Song, Style and Sound
data disks originating from non-Generalmusic in-
struments. Song exchanges with other instru-
ments requires that the Song be saved as a MIDI
file on MS-DOS formatted disks (1.44 Mb or 720
Kb formats).
Files & the block
Data is stored on disks in the form of Files (a
Song, a Performance, a Style, a Setup or a
Block).
Files are organized in sub-directories which are
contained in a Block. The Block reflects the struc-
ture of the instrument's internal RAM, as illus-
trated below.
Block
Real-Perf
Songs
Group 1
...
1
Group 8
...
16
Style-Perf
User Styles
Group 1
...
Group 1
Group 12
Group 2
Group 3
Group 4
Sounds
Setup
Group 1
...
Group 16
Illustration showing how data is organized in RAM and disks.
Floppy disks can contain more than one Block,
but as a unit of storage, the Block is more suit-
able for Hard Disks.
When you load a Block using the Load Single
Block command, the entire contents of RAM are
updated.
Disk & Hard Disk 3•1
Block n
Block 3
Block 2
Block 1
Real-Perf
Songs
Group 1
...
1
Group 8
...
16
Style-Perf
User Styles
Group 1
Group 1
...
Group 12
Group 2
Group 3
Group 4
Sounds
Setup
Group 1
...
Group 16
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