Ciprico Rimfire 3880 User Manual download pdf (Page 162)

21020285 D User’s Guide

Chapter 7 Board-control Commands

Page 7 - 38 Board Information (15H)

Per Target - Disconnect Time-out

If Disconnects are enabled for the target with the General Options command,

this field represents the amount of time the adapter will wait for a reconnect

before taking error recovery action. For more information, refer to the section

of this chapter that explains the General Options, Unit Options, and Extended

Unit Options commands.

Per Target - Retry Limit

This field specifies the maximum number of retries the RF3880 will attempt

before reporting an error. This value is set for each target with the Unit Options

or Extended Unit Options command.

Per Target - Sense Count

This field reports the number of Sense bytes that the adapter will return for this

target. This number is defined by the Unit Options or Extended Unit Options

commands.

Per Target - Device Flags

The Device Flags field is a word wide. It reports the options that you have

selected for this target with the Unit Options or Extended Unit Options

command. The format is as shown below:

UNQ Untagged Queuing - This bit indicates whether the RF3880 will queue

commands to a target with multiple LUN’s.

0 ⇒ One command at a time will be sent to this target.

1 ⇒ Commands to this target will be queued; it has multiple LUN’s.

SYN Synchronous Negotiation - This bit indicates whether negotiations

for synchronous transfers will be initiated for this target.

0 ⇒ Synchronous transfer negotiation will not be initiated by adapter.

1 ⇒ Adapter will initiate synchronous transfer negotiations.

IAT Inhibit ATN Signal - This bit indicates if the adapter is to assert the ATN

signal.

0 ⇒ Adapter will assert ATN for this target.

1 ⇒ Adapter will not assert ATN for this target.

WID Wide Transfers - This bit indicates whether negotiations for wide data

transfers will be initiated for this target.

0 ⇒ Wide data transfer negotiations will not be initiated by the adapter.

1 ⇒ Adapter will initiate wide data transfer negotiations.

BITS

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

0 SS 0 RBE RCE RPE ISB INT 0 TQE 0 0 WID IAT SYN UNQ

Table 99: Bit-meanings of Device Flags Field

1 2 ... 157 158 159 160 161 162 163 164 165 166 167 ... 229 230

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Ciprico Rimfire 3880 User Manual Page 162