User`s manual

.NETFRD
5-43
5
Field descriptions:
Controller LUN Logical Unit Number (LUN) of controller to use
Device LUN Logical Unit Number of device to use
Status Word This status word reßects the result of the operation.
It is zero if the command completed without
errors. Refer to Appendix H for meanings of
returned error codes.
Data Transfer
Address
Address of buffer in memory to which to transfer
the Þle block.
Transfer Byte
Count
This Þeld is status only and will be updated only
on a successful data transfer. The size of each Þle
block is 512 bytes unless it is the last block of the
Þle (0 to 511 bytes).
Block Count The next expected block number to be received.
Data Packet
Timeout
The number of seconds to wait before giving up
control to the caller.