Receive Diagnostic Results; Command Description; Command Descriptor Block; Table 21-1: Receive Diagnostic Results Command Block - Tandberg Data SLR7-140 PROGRAMMER Manual

21.
BYTE BIT 7
00 Operation Code 1Ch
01 Logical Unit Number (LUN)
02 Page Code
03 Allocation Length
04
05 Control Byte

Table 21-1: RECEIVE DIAGNOSTIC RESULTS Command Block

PCV

Receive Diagnostic Results

21.1. Command Description

The RECEIVE DIAGNOSTIC RESULTS command requests analysis
data produced by the last SEND DIAGNOSTICS command to be
transferred to the Initiator.
The RECEIVE DIAGNOSTIC RESULTS command must be issued
immediately following
ensure valid returned data. To ensure that diagnostic
results is not corrupted by a command sent from another
initiator, either the SEND DIAGNOSTICS command should be
linked to the RECEIVE DIAGNOSTIC RESULTS command or the
drive should be reserved. If no Send Diagnostic command
has been issued, then the data is specific to the last
run selftest (power-on, diagnostic cartridge or self-
exerciser selftests).
The analysis data returned by the RECEIVE DIAGNOSTIC
RESULTS command has several fields marked " FOR INTERNAL
USE" . These fields hold information of interest for
service personnel only.
Note that the RECEIVE DIAGNOSTIC RESULTS command can
also be used to get the results from the last completed
Stand Alone Diagnostics (SAD) test. The results from the
Stand Alone Diagnostic survives Reset/Power On.

21.2. Command Descriptor Block

6 5
When the Page Code Valid (PCV) bit is set to one, the
Page Code can be set to 00h or 98h.
When the Page Code Valid (PCV) bit is set to zero, the
Page Code must be set to 00h. (The most recent SEND
DIAGNOSTICS command defines the data returned by this
command).
21-1 Tandberg SLR Product Line SCSI Functional Specifications
a SEND DIAGNOSTICS
4 3
RESERVED
command
2 1 0
PCV
to