
SCSI-2 Drive Command Set
Write Buffer Command (3BH)
Chapter 2 2-99
SCSI-2 Drive Commands
Write Buffer Command (3BH)
This command writes data to the drive data buffer. The transfer data
consists of a 4-byte descriptor followed by the buffer data.
CAUTION If you write data to the buffer area, you may overwrite valid information
that the drive needs for operation.
Mode Indicates which data format is used. Refer to Table 2-87
on page 2-100 for valid values.
Buffer ID Indicates which buffer is used. Refer to Table 2-87 on
page 2-100 for valid values.
Table 2-86 Write Buffer Command CDB
Byte 7 6 5 4 3 2 1 0
0 Operation Code (3BH)
1 Logical Unit Number
(0)
Reserved (0) Mode (Table 2-87 on
page 2-100)
2 Buffer ID (See Table 2-87 on page 2-100)
3 Buffer Offset (MSByte)
4 Buffer Offset
5 Buffer Offset (LSByte)
6 Parameter List Length (MSByte)
7 Parameter List Length
8 Parameter List Length (LSByte)
9 Reserved (0) Flag Link
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