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Chapter 2 Messages
Message Format
12
Quantum ATL SuperLoader Software Interface Guide
Figure 1 Extended
Message
Table 3 Extended
Message
Bit
Byte
7
6
5
4
3
2
1
0
0
Extended Message (01h)
1
Extended Message Length
2
Extended Message Code
3 to
n-1
Extended Message Arguments
Field
Description
Extended Message
Length
This field specifies the length, in bytes, of the Extended Message
Code plus the Extended Message Arguments that follow.
Therefore, the total length of the message is equal to the Extended
Message Length plus 2.
A value of 0 for the Extended Message Length indicates that 256
bytes follow.
Extended Message Code
The SuperLoader supports the following Extended Messages:
01h SYNCHRONOUS DATA TRANSFER REQUEST
03h WIDE DATA TRANSFER REQUEST
Summary of Contents for ATL SuperLoader ATL
Page 1: ...ATL SuperLoader DLT and ATL SuperLoader LTO Software Interface Guide 81 60220 01 A02...
Page 18: ...Preface Document Conventions xviii Quantum ATL SuperLoader Software Interface Guide...
Page 44: ...Chapter 2 Messages Supported SCSI Messages 26 Quantum ATL SuperLoader Software Interface Guide...
Page 196: ...Index 178 Quantum ATL SuperLoader Software Interface Guide...