Ciprico Rimfire 3880 User Manual Page 178

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21020285 D User’s Guide
Chapter 8 Details of Usage
Page 8 - 4 Byte and Word Swapping
Example Pass-through Command
The information in the table below would be required to complete a parameter
block that issues a Pass-through command. The example shown below uses:
Logical block size is 128 bytes per block.
Extended Write SCSI command.
Command issued to LUN 1 of Target 2.
Transferring data from VME memory address 5A9320H.
Transferring data to Logical block 8F4E9H on the device.
Parameter Block written to memory address 89FF4H.
Example parameters for a Pass-through command:
Name of Parameter Block Field Value Used for Example Comments
Command Identifier 04030201H
Target ID 02H
Address Modifier 3EH
Flags-1 86H
Flags-2 01H
VME Memory Address 005A9320H
Transfer Count 00010280H
SCSI Command Byte 0 2AH Extended Write Command
SCSI Command Byte 1 40H Logical Unit 1
SCSI Command Byte 2 00H Logical Block Address (MSB)
SCSI Command Byte 3 08H Logical Block Address
SCSI Command Byte 4 F4H Logical Block Address
SCSI Command Byte 5 E9H Logical Block Address (LSB)
SCSI Command Byte 6 00 Reserved
SCSI Command Byte 7 02H Transfer Count (MSB)
SCSI Command Byte 8 05H Transfer Count (LSB)
SCSI Command Byte 9 00 Control Byte
SCSI Command Byte 10 00 Not Used
SCSI Command Byte 11 00 Not Used
Table 110: Pass-through command Parameters
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