SCSI Commands
Page
27
Byte
Bits
7
6
5
4
3
2
1
0
2
Reserved
3
Identifier Length
4-n
Identification Descriptor
Field Descriptions
Field
Bytes
Bits
Description
Code Set
0
0-3
1 = Identification Descriptor contains binary data.
2 = Identification Descriptor contains ASCII data.
Identifier
Type
1
0-3
1 = Identification Descriptor is Vendor ID and Product ID from
Standard Inquiry Data Page, followed by Serial Number from
the Unit Serial Number Page.
2 = Identification Descriptor is an IEEE Extended Unique Identifier.
3 = Identification Descriptor is the Fibre Channel 64 bit Name Iden-
tifier
Identifier
Length
3
n-3, indicating the length of this Identification Descriptor.
Identifica-
tion De-
scriptor
4-n
Binary or ASCII data (depending on Code Set).
Reserved
Always 0
Drive Component Revision Levels Pages (C0h, C1h)
The Drive Component Revision Levels Pages contain details of the revisions of each
of the components 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.
Byte
Bits
7
6
5
4
3
2
1
0
0
Peripheral Qualifier Peripheral Device Type
1
Page Code
2
Reserved
3
Page Length
4–29
Component
30–48
Version
49–72
Date
73–95
Variant
Field Descriptions
Field
Bytes
Bits
Description
Peripheral
Qualifier
0
5-7
Always 000b.
Peripheral
Device
Type
0
0-4
01h, indicating a sequential access device.
Page Code
1
C0h = SCSI Firmware Revision Page
C1h = Servo Firmware Revision Page
Reserved
2
Always 0
Page
Length
3
Always 5Ch
