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174 Fibre Channel Interface Manual, Rev. D
Field definitions (listed alphabetically)
Page Code
Page 80h provides the product serial number for the disc drive. See bytes 4–8 (Product Serial Number field).
Page Length
The length (in bytes) of the Unit Serial Number page. If the allocation length is too small to transfer all of the page, the page
length is not adjusted to reflect the truncation.
Peripheral Qualifier and Peripheral Device Type
00h A direct-access device (magnetic disc) is connected to this logical unit.
Product Serial Number
Contains ASCII data. The least significant ASCII character of the serial number appears as the last byte of a successful
data transfer. If the product serial number is not available, the disc drive returns ASCII spaces (20h) in this field.
12.6.2 Unit Serial Number page (80h)
The Unit Serial Number page provides the product serial number for the drive.
Table 108: Unit Serial Number page (80h)
Bit
Byte
76543210
0 Peripheral Qualifier Peripheral Device Type
1
Page Code (80h)
200000000
3
Page Length (08h)
4
:
11
Product Serial Number
Table
number
108
108
108
108