ALP Locate Command
278 T10000: Interface Reference Manual August 2016
ALP Locate Command
This vendor unique version of the Read Position command is used to read to the
current ALP index.
TABLE C-4 ALP Locate Command
Byte
Bit
76543210
0 Page Code (04h)
1 Reserved
BT
CP Immed
2 Reserved
3
thru
6
Transfer Length
7 Reserved or ALP MSB
8 ALP LSB
5 RSVD
ALP
Control Byte
Parameter Value
BT: Block Address Type 0 = SCSI logical block address
1 = Vendor - specific (ignored)
CP: Change Partition 0 = Ignore partition field
1 = Change partition (required for ALP locate)
Immed: Immediate 0 = Return status when locate is complete (required for ALP
locate)
1 = Return status when locate is started
Block Address Logical block address position (must be zero for ALP locate)
Partition ALP index - vendor unique
ALP: Locate ALP 0 = normal locate block ID
1 = vendor unique ALP locate
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