Table 2-87 Buffer Access Mode And Id; Table 2-88 Mode Descriptions (For 2.6 Gbyte Capacity Drives Only) - HP 2600fx - Optical Disk Drive Command Reference Manual

Table 2-87
Table 2-88
SCSI-2 Drive Command Set
Write Buffer Command (3BH)
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.
Parameter List
Length Indicates the number of data bytes to be written in the
buffer.
Buffer Access Mode and ID
Buffer Type
Buffer RAM
Download Microcode
Serial Number and Manufacturing Date
Customer and Product ID
Mode Descriptions (For 2.6 Gbyte Capacity Drives Only)
Mode Description
1 Vendor specific
4 Download microcode
0 Data retained for subsequent read buffer command
Buffer RAM Indicates the data buffer space used for transfer to and
from the optical disk.
Download
Microcode Indicates the code the drive uses to operate.
Serial Number and
Manufacturing
Date Code Indicates the drive's serial number and date code, which
indicates the week of manufacturing.
Customer and
Product ID Indicates the Vendor Identification and Product
Identification fields of the INQUIRY command
Response Data.
2-100
Buffer ID Mode
0 0
1 4
4 1
15 1
Chapter 2