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Chapter 2 Media Changer Commands
Mode Select (6) / (10) Command (15h / 55h)
Figure 31 Mode Select
Parameter
Bit
Byte
7
6
5
4
3
2
1
0
Reserved
0
(MSB)
Number of Blocks
1-3
(LSB)
Reserved
4
(MSB)
Block Length
5-7
(LSB)
Table 22 Mode Select
Parameter Block
Field Name
Description
Number of
Blocks
This field is sent as 0. It is not applicable to media
changer devices.
Block Length
This field is sent as 0. It is not applicable to media
changer devices.
Mode Page Descriptors
2
Following the MODE SELECT command’s Mode Parameter Block
Descriptor are the MODE SELECT pages, each of which sets a different
device parameter. Each mode page has a 2-byte header that identifies the
page code and indicates the number of bytes in that page.
Quantum SuperLoader 3 Software Interface Guide
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