
SCSI-2 Drive Command Set
Inquiry Command (12H)
Chapter 22-28
The Unique Media ID Bytes 1-2 field is “HP” in ASCII.
The Unique Media ID Bytes 3-5 field is a three-byte binary
representation of the serial number of the drive which wrote the UMID
on the media.
The Unique Media ID Bytes 6-8 field is a three-byte random number.
Table 2-24 Unique Media ID Page (C1H)
Byte 7 6 5 4 3 2 1 0
0 Peripheral Qualifier Peripheral Device Type
1 Page Code (C1H)
2 Reserved (0)
3 Page Length (08H)
4-5 Unique Media ID Bytes 1-2
6-8 Unique Media ID Bytes 3-5
9-11 Unique Media ID Bytes 6-8
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