Seagate MEDALIST 1080SL Product Manual page 88

78 Medalist 1080sl SCSI Product Manual, August 1995
An "X" means that the value of the bit cannot be specified. For
example, the default value of bit 0 of byte 1 of page 00
page) cannot be specified because the bit can be either 1 or 0.
All mode pages contain a 2-byte header that contains the page code and
the page length for that particular page. The header is shown below.
Bytes
7
0 PS
changeable 1
1
changeable
Byte 0 During the Mode Sense command, the PS (parameter saveable)
bit is 1, which means the mode page is saved on the disc. During
the Mode Select command, you must set the PS bit to 0.
The page code is the unique code that identifies the page.
Byte 1 The page length is the length, in bytes, of the page.
Bits
6 5 4 3
Page code
0 0 0 0
Page length
00
H
(the Operating
H
2 1 0
0 0 0