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What does Does not support linked commands mean?

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What does Does not support linked commands mean?

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Linked commands is a method of chaining SCSI commands to each other. Usage of linked commands might be slightly faster on the SCSI-bus because the target selection phase can be omitted between linked commands. Some of the older SCSI devices are not capable of handling linked commands, some devices even choke on them… To allow mixing older and newer devices, the atari SCSI-driver can be told explicitly to _never_ use linked commands on a target. This is done with the compile-time option ‘TRY_SCSI_LINKED_COMMANDS’. This is a bit mask. A zero bit means: ‘never use linked commands on this target’. A one bit means: ‘try a linked command when appropriate, if the target gives an error on it, never try it again’. Another possibility is not to define this option at all, this will tell the SCSI-driver not to use linked commands at all. Oh, bits are numbered from right to left. Excluding target 0 gives a mask of 0xfe. Normally, target 7 (the host adapter == interface) is also excluded, giving:

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