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Sony CDU-541
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--~-
'----......-,-
CDU-S41
CD-ROM
DRIVE
SCSI
INTERFACE
MANUAL
Table
5-37:
Error
Recovery
Procedures
-
CD-ROM
Mode
One
or
Two
Data
==============================================================================
Error
Recovery
Description
------------------------------------------------------------------------------
Olh Only
retries
of
the
read
operation
are
used
(layer
error
correction
is
not
used).
Only
CIRC
unrecovered
data
errors
are
reported.
If
an
CIRC
unrecovered
data
error
occurs
data
transfer
is
terminated
with
a
CHECK
CONDITION
status.
The
sense
key
is
set
to
MEDIUM
ERROR
and
the
additional
sense
code
is
set
to
CIRC
UNRECOVERED
DATA
ERROR.
The
information
bytes
are
set
to
the
address
of
the
last
block
transferred
to
the
initiator
plus
one.
OSh
Only
retries
of
the
read
operation
are
used
(layer
error
correction
is
not
used).
CIRC
recovered
data
errors
are
reported.
If
a
CIRC
recovered
data
error
occurs
data
transfer
is
not
terminated.
However.
when
the
data
transfer
has
completed
a
CHECK
CONDITION
status
is
reported.
The
sense
key
is
set
to
RECOVERED
ERROR
and
the
additional
sense
code
is
set
to
CIRC
RECOVERED
DATA
ERROR.
The
information
bytes
are
set
to
the
address
of
the
last
block
for
which an
CIRC
recovered
data
error
was
detected.
If
an
CIRC
unrecovered
data
error
occurs
data
transfer
is
not
terminated.
However. when
the
data
transfer
has
completed
a
CHECK
CONDITION
status
is
reported.
The
sense
key
is
set
to
~EDIUM
ERROR
and
the
additional
sense
code
is
set
to
CIRC
UNRECO~ERED
DATA
ERROR.
The
information
bytes
are
set
to
the
address
of
the
last
block
on which
an
CIRC
unrecovered
error
was
detected.
07h Only
retries
of
the
read
operation
are
used
(layer
error
correction
is
not
used).
CIRC
recovered
data
errors
are
reported.
If
a
CIRC
recovered
data
error
occurs
data
transfer
is
terminated
with
a
CHECK
CONDITION
status.
The
sense
key
is
set
to
RECOVERED
ERROR
and
the
additional
sense
code
is
set
to
CIRC
RECOVERED
DATA
ERROR.
The
information
bytes
are
set
to
the
address
of
the
last
block
transferred
to
the
initiator
plus
one.
If
an
CIRC
unrecovered
data
error
occurs
data
transfer
is
terminated
with
a
CHECK
CONDITION
status.
The
sense
key
is
set
to
MEDIUM
ERROR
and
the
additional
sense
code
is
set
to
CIRC
L~RECOVERED
DATA
ERROR.
The
information
bytes
are
set
to
the
address
of
the
first
block
on which an
CIRC
unrecovered
error
was
detected.
==============================================================================
5-69

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