236
ESI Operation Manual
Using SCSI
SCSI (pronounced skuzzy) stands for Small Computer System Interface.
SCSI is an industry standard hardware and software specification that
allows high-speed data transfers between different pieces of equipment.
SCSI devices can include hard disks, tape drives, optical disks and other
types of digital equipment.
Why Use SCSI?
• SCSI is fast! SCSI is a parallel interface which transmits eight bits of
information at a time at high speed over the SCSI cable. MIDI, in
comparison, is a serial interface which can only send one bit of
information at a time over its line.
• Compatibility: Since SCSI is an industry standard, equipment from
many different manufacturers can be linked to work together.
• Expandability: Up to eight SCSI devices can be linked together (the
ESI counts as one SCSI device on the chain).
The SCSI Bus
You may have noticed that the rear panel of most external storage
devices have two SCSI connectors. This is because SCSI devices are
connected together in a chain arrangement. The wires that connect the
different pieces of equipment are called the SCSI bus.
ID Numbers
Each device on the SCSI bus has its own ID number so that it can
distinguish its data from data meant for another device. If data is being
saved to a device with ID-2 for instance, all the other devices on the
SCSI bus will ignore that data. If two devices have the same ID number,
the system will not work. Each device must have its own unique ID
number.
The SCSI ID number of the Macintosh is fixed at ID-7 and cannot be
changed. The SCSI ID numbers of most other devices can be changed.
Many SCSI devices have hardware defined ID numbers, which means
that they have a switch on the front or the back of the unit which allows
the ID number to be easily identified and changed.
!
Caution:
Make sure that no two devices
have the same ID number since this can
corrupt the startup directories of the
Macintosh or the ESI.
✱
Tip:
Use the “Mount Drives” utility
(Master/Global, Disk Utilities, 1) whenever
an external SCSI device does not appear in
the list of available devices.
RM45
ESI
SCSI ID 5
External HD
SCSI ID 3
M.O. Drive
SCSI ID 2
Termination Block is installed
on the Last Device
Termination installed
Internally
I
VOLUME
PHONES
O
TRANSPOSE
DIGITAL PROC
SAMPLE MGT
MASTER/GLOBAL
MULTIMODE
PRESET MGT
DYNAMIC PROC
PRESET DEF
DRIVE SELECT
LOAD
SAVE
AUDITION TRIGGER MODE
ESCAPE
MIDI
ENTER
DEC/NO
INC/YES
1
2
3
4
5
6
7
8
0
9
MIDI CHANNEL: 01
Volume: 115
Pan: -01
000 Synth Flute
(can be changed)
Содержание ESI2000
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