Reference Guide

Chapter 4 SCSI Commands
MODE SENSE (6) / (10) Command (1Ah / 5Ah)
DLT-S4 Interface Reference Guide 194
SPI Report Transfer
Capabilities Mode Subpage
(19h/04h)
4
The SPI Report Transfer Capabilities Mode Subpage, shown in figure 102,
is used to report the transfer capabilities for the SCSI target port for
Parallel SCSI only. The values in this mode subpage are not changeable
via a
MODE SELECT command. For additional information, see figure 68.
Figure 102 Parallel SCSI —
SPI Report Transfer
Capabilities Mode Subpage —
Data Format
Note:
The values reported in this page pertain to protocol options
negotiated or established on the SCSI Parallel interface used to
transfer the data. None of these parameters are changeable
with a
MODE SELECT command. For a description of the
possible settings, see the SCSI Parallel Interface - 5 (SPI-5)
standard.
Bit
Byte
7 6 5 4 3 2 1 0
0 PS (0) SPF (1) Page Code (19h)
1 Subpage Code (04h)
2 — 3
(MSB)
Page Length (0Ah)
(LSB)
4 Reserved
5 Reserved Protocol Identifier (1h)
6 Minimum Transfer Period Factor
7 Reserved
8 Maximum REQ/ACK Offset
9 Maximum Transfer Width Exponent
10 Protocol Options Bits Supported
11 Reserved
12 Reserved
13 Reserved