Sony SDX-800V/R Computer Drive User Manual


 
LOG SENSE 6.Command Specification
SONY AIT-3Ex drive SDX-800V series Ver.1.1 6-27
All board revision number is 8 bytes long and has a following format:
Table 6-27: All Board Revision Number Parameter Format
0
1
Set revision
2
3
Board revision
4
5
Mechanism revision
6
7
RF revision
Each Mechanism Error Event is 24 bytes long and has following format:
Table 6-28: Mechanism Error Event Format
Byte offset Meaning
0-3
4
5-6
7
Drum revolution minutes
Last mc Command
Error code
Reserved
6.6.10. Read and Write Frame Error Counter Page
The Read and Write Error Counter Page has the following format. All fields in these logs are initialized to ZERO in
the following circumstances:
At Power On
After a cassette loading
After a user sends a request for initialization through Log Select
After a SCSI Bus Reset
Following configuration for error rate testing
Table 6-29: Read and Write Frame Error Counter Page
Bit
Byte
7 6 5 4 3 2 1 0
0 Page Code (34h Write Frame Error Counters, 35h Read Frame Error Counters)
1 Reserved
2 (MSB) Page Length (88h)
3 (LSB)
Error Counter Descriptors
Bit
Byte
7 6 5 4 3 2 1 0
0 (MSB) Parameter Code
1 (LSB)
2 DU (0) DS (1) TSD (0) ETC (0) TMC (0) LBIN (0) LP (0)
3 Parameter Length (4)
4 (MSB) Parameter Value
7 (LSB)
Parameter Code: This identifies which parameter of data is being transferred. The following codes are supported for
each Error Counter Page.