User's Manual

DLT4000 SCSI Interface
8-20 DLT4000/DLT4500/DLT4700 Cartridge Tape Subsystem
• Byte 7: All bits set to zero, except:
Sync - Set to 1 (synchronous data transfer supported)
Linked - Set to 1 (linked commands supported)
• Vendor Identification - See figure 8-6
• Product Identification - See figure 8-6
_________________________NOTE ____________________________
If a media loader is attached to the tape drive, the Product ID will indicate
"DLT4500" or "DLT4700" instead of "DLT4000" for 5 and 7 cartridges
loader, respectively.
___________________________________________________________
Product Revision Level
This field contains four bytes of ASCII data, which define the product's software
Revision Levels. The first tow bytes are the version number of servo code. in the
DLT4000 products, this firmware is located in a PROM and is not field updateable.
The second two bytes are the version number of the SCSI/read/write code. When a
firmware update is performed on the DLT4000 drive , this part of the Revision Level
field will change appropriately.
Vendor Specific
Vendor Specific - See next section.