<= R0 = Bits 0..7 software minor version number, 0 for any release
Bits 8..31 software major version number eg. 100 for 1.00
R1 = Bitset of software features
R2 = Bits 0..7 hardware minor version number, 0 for any release
Bits 8..31 hardware major version number eg. 100 for 1.00
R3 = Bitset of hardware features
R4 -> null terminated vendor string
This SWI is used to determine the version number of the drivers, whether it supports any particular later extension, and what particular hardware implementation is present.
Software features
Bit(s) /Meaning/
31 Supports target mode
30 Supports configuration
29 Supports reading control lines
28 Supports device reservation
27 Supports multiple SCSI cards (and hence SWI SCSI_List)
26 Supports *ScsiBlock
25..16 Reserved must be 0
15..7 Reserved must be 1
6 Supports *Devices
5 Supports scatter list for SWI SCSI_Op
4 Supports messaging
3 Supports automatic "Request Sense"
2 Supports command queueing
1 Supports background data transfer
0 Supports target disconnect/reconnect
Hardware features
Bit(s) /Meaning/
31 Supports configuration
30..16 Reserved must be 0
15..1 Reserved must be 1
0 Supports target mode
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