4.1 Control/Sense Commands

When "1" is specified in the "EVPD" bits of the CDB, the VPD information described below is transferred to the INIT by this command. The INIT specifies the type of VPD information required in the "Page code" field of the CDB. The type of VPD information supported by the HDD and its page code number are as shown in Table 4.7.

Table 4.7 VPD information

Page Code Page (Hex)

Function

 

 

00

Page code list of supported VPD information

 

 

80

Device serial number

 

 

83

Device unique information

 

 

Furthermore, if page codes other than those shown above (VPD information that is not supported by the HDD) are specified in the CDB, that command is terminated with a CHECK CONDITION status (ILLEGAL REQUEST [=5] / Invalid field in CBD [=24-00]).

The format and contents of each type of VPD information are shown below.

a.Page code list

This VPD information reports the page code list of VPD information supported by the HDD. The format of this VPD information is shown in Table 4.8.

Table 4.8 VPD information: VPD identifier list

Byte

Bit

7

6

5

 

4

 

3

 

2

 

1

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

Qualifier

 

 

 

 

Device Type Code

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

X'00' (Page Code)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

X'00'

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

X'03' (Page Length)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

X'00' (Page Code List)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

X'80' (Device Serial No.)

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

X'83' (Device unique information)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C141-C013

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Fujitsu MBA3073RC, MBC2036RC, MBC2073RC, MBA3300RC, MBA3147RC specifications VPD information VPD identifier list