Read Block Limits; Command Description; Command Descriptor Block; Parameter List - Tandberg Data SLR7-140 PROGRAMMER Manual

18.
BYTE BIT 7
00 Operation Code 05h
01 Logical Unit Number (LUN)
02 RESERVED
03 RESERVED
04 RESERVED
05 Control Byte
Table 18-1:
BYTE BIT 7
00 RESERVED
01 Maximum Block Length
02
03
04 Minimum Block Length
05
Granularity
Maximum Block
Length
Minimum Block
Length

Read Block Limits

18.1. Command Description

The READ BLOCK
capability for block length limits to be returned. The
READ BLOCK LIMITS Parameter List will be returned during
the DATA-IN phase of the command.

18.2. Command Descriptor Block

6 5
READ BLOCK LIMITS Command Descriptor Block

18.3. Parameter List

6 5
Table 18-2: READ BLOCK LIMITS Data
The Granularity
indicate that the Drive supports all block sizes that is
a multiple of 2
1
Length) .
This field shows the maximum length of a variable length
block. The maximum length supported is 262144 (040000h)
bytes.
This field shows the minimum length of a variable block.
The minimum length supported is 1 byte.
1
Blocks written using the FIX bit set to one in the WRITE command
descriptor block must be even in size (i.e. a size that is a multiple
1
of 2 ).
18-1 Tandberg SLR Product Line SCSI Functional Specifications
LIMITS command
4 3
RESERVED
4 3
Granularity
field has a value
0
(i.e. 1, 2, 3, 4 ... Maximum Block
requests the Drive's
2 1
2 1
of 0 (zero)
0
0
to