Port Control Parameter (Page Code = 19) - Fujitsu MAX3073NC - SCSI,80, Dell DC961,Hard Drive Scsi Logical Interface Specifications

•
Starting Boundary
This field is enabled by the MODE SENSE command. This field indicates the beginning of the
active notch or, if the active notch is zero, the beginning of the logical unit (IDD).
•
Ending Boundary
This field is valid in the MODE SENSE command. This field indicates the ending of the active
notch or, if the active notch is zero, the ending of the logical unit (IDD).
•
Page Notch
This is a bit map which shows whether or not other mode pages are being changed if the device is
notched. The most significant bit of this field corresponds to page code 3Fh and the least significant
bit corresponds to page code 00h. If it is specified, the IDD disregards this value.
4.1.9

Port control parameter (page code = 19)

This page is used to set parameters related to drive transfer and to refer to the currently set values and
maximum values.
[Page_0 Format (Short Page Format)]
Byte
Default
Variable
4-5
Default
Variable
Figure 4.10 MODE SELECT parameters: port control parameter
a. SPF
"0": This shows that transfer data is based on the Short Page Format.
"1": This shows that transfer data is based on the Long Page Format.
C141-C010
7 6 5
0 SPF 0
0
(0)
1
2 Reserved
0 0 0
0 0 0
3
Synchronous Transfer Timeout
6-7
Bit
4 3 2
1 1 0
X '06' (Page Length)
Protocol Identifier
0 0 0
0 0 0
X '00' (Reserved)
X '0000'
X 'FFFF'
X '00' (Reserved)
4.1 Mode Parameters
1 0
0 1
0 1
0 0
4-33