Fujitsu MBC2073RC Manual Do Utilizador

 

 Bit 
Byte 

7 6 5 4 3 2 1 0 

0 X'4D' 

1 

0 0 0 0 0 

0 PPC SP 

2 PC 

Page 

Code 

3 

0 0 0 0 0 0 0 

0 

4 

0 0 0 0 0 0 0 

0 

5 

Parameter Pointer (MSB) 

6 

Parameter Pointer (LSB) 

7 

Parameter List Length (MSB) 

8 

Parameter List Length (LSB) 

9 0 0 

0 0 0 

0 

0 

0 

 

This command provides a means for the application client to retrieve statistical or 
other operational information maintained by the device about the device or its 
logical units. 

It is a complementary command to the LOG SELECT command. 

The "Parameter Pointer Control (PPC)" bit is not supported. It should be zero. 

An "Save Parameters (SP)" bit of zero indicates the device server performs the 
specified this command and does not save any log parameters. If saving log 
parameters is implemented, an "SP" bit of one indicates that the device server 
performs the specified this command and saves all log parameters identified as 
savable by the "DS" bit to the disc medium. 

The "Page Control (PC)" field defined the type of parameter values to be selected 
(see 4.1.15 for the definition of the page control field). 

The "PC" bits are ignored by the drive. The drive assumes that current cumulative 
parameters are selected. 

The "Page Code" field identifies which page of data is being requested. If the page 
code is reserved or not implemented, the device server terminates the command 
with CHECK CONDITION status (ILLEGAL REQUEST [=5] / Invalid field in 
CDB [=24-00]). 

The "Page Code" assignments for the log pages are listed in Table 4.23. 

192 

C141-C013