Optical Drive and Library SCSI-2 Command Reference

Jukebox SCSI-2 Command Set
Write Buffer Command (3BH)
Chapter 33-40
Buffer Offset Indicates at what address the data is written, offset
from the beginning of the buffer. Must be set to 0 when
using Download Microcode ID.
Byte Transfer
Length Indicates the number of data bytes to be written in the
buffer.
NOTE Additional buffer IDs are for factory use only and are subject to change
without notice.
Table 3-36 Write Buffer Mode Descriptions
Mode Description
1 Vendor specific
4 Download microcode
5 Download microcode
Table 3-37 User Accessible Buffers and Allowed Write Modes
User-Accessible Buffers Buffer
ID
Allowed
Write Modes
Download Microcode (FLASH EPROM) 1 4,5
Customer and Product ID (NVRAM) 15 1
Online Drive Repair ID 128 1