Yamaha SIGMA-G5SII Service Information page 231

(4)-1 CD-ROM Connection Waiting Status
In the following status, this window appears.
 CD-ROM drive has not been connected.
 The "Machine Software Installation CD-ROM" has not been inserted when
the CD-ROM drive is connected.
When the CD-ROM drive has not been connected in the connection waiting
status, and that the "Machine Software Installation CD-ROM" is inserted, the
window in Step (4)-2, "Machine Software Installation Data Copy Processing"
appears.
(4)-2 Machine Software Installation Data Copy Processing
When the CD-ROM is connected, the installation data copy processing is started.
When the copy is completed, the machine software installation confirmation dialog
in Step (4)-4 is displayed.
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