INQUIRY 12h
C
omm
an
ds
49
Drive Component Revision Levels pages
The Drive Component Revision Levels pages contain details of the revisions of each of the major
sub assemblies of the drive. For any given product, if these pages are the same then the drive has
been built with the same components and with the same manufacturing process.
Each entry is a null-terminated ASCII string.
7
6
5
4
3
2
1
0
0
Peripheral Qualifier (0)
Peripheral Device Type (1)
1
Page Code
2
Reserved (0)
3
Page Length (5Ch)
4
(MSB)
Component (“
CCCCCCCCCCCC
”)
29
(LSB)
30
(MSB)
Version (“
RRR
.
VVV
”)
48
(LSB)
49
(MSB)
Date (“
YYYY/MM/DD hh:mm
”)
72
(LSB)
73
(MSB)
Variant (“
XXXXXXXXXXXX
”)
95
(LSB)
Page Code
Page Code
Component Name
C0h - Firmware
C1h - Hardware
C2h - PCA
C3h - Mechanism
C4h - Head Assembly
C5h - ACI
C6h - ARM
“
Firmware
”
“
Hardware
”
“
PCA
”
“
Mechanism
”
“
Head Assy
”
“
ACI
”
“
IO Firmware
”
Component
A 12-character entry to identify the component that the revision is for.
Version
A 7-character version code with a three-digit major revision number, a period and a three-
digit minor version number.
Date
The date of the version.
Variant
An identifier indicating what version of the product this is.
