Mode select parameter list, Parameter list header, Mode – Dell PowerVault TL2000 User Manual
Page 36: Select, Parameter, List, Header, Parity, 00h), Page
1Fh
00h
Device
Capabilities
page
No
Provides
a
means
to
set
the
media
changers
capabilities.
(not
changeable).
20h
00h
Event
Filter
page
(Vendor
Specific)
Yes
This
page
provides
a
means
to
mask
certain
error
event
types
from
the
event
logging
of
the
SCSI
controller.
Mode
Select
Parameter
List
The
Mode
Select
parameter
list
shown
below,
contains
a
4-byte
header,
followed
by
an
optional
8
byte
block
descriptor
after
which
the
Mode
Select
pages
are
specified.
Bit
7
6
5
4
3
2
1
0
Byte
0
-
3
Parameter
List
Header
4
-
n
Mode
Select
page(s)
Parameter
List
Header
If
you
send
any
page(s)
using
the
Mode
Select
command
to
the
media
changer
you
must
first
send
the
Parameter
List
Header,
followed
by
the
requested
Mode
Select
page(s).
The
Parameter
List
Header
has
the
following
format:
Bit
7
6
5
4
3
2
1
0
Byte
0
Reserved
1
Reserved
2
Reserved
3
Block
Descriptor
Length
(0)
If
no
Block
Descriptor
is
to
be
sent
to
the
media
changer
specify
zero
as
Block
Descriptor
Length
in
the
Parameter
Header.
After
the
Parameter
List
Header
the
application
client
can
send
zero,
one
or
more
Mode
Select
Pages
to
the
media
changer
to
configure
any
required
parameter.
Parity
page
(00h)
By
means
of
the
Parity
page
the
host
can
enable
Parity
retries
and
select
the
maximum
number
of
retries.
Note
this
page
will
be
stored
in
non
volatile
memory
when
the
Host
enables
the
SP
bit
in
the
CDB.
Bit
7
6
5
4
3
2
1
0
Byte
0
Reserved
SPF
(0)
Page
Code
(00h)
1
Additional
Page
Length
(02h)
2
Reserved
Parity
Reserved
3
Maximum
Parity
retries
Field
descriptions:
3-22
TL2000
and
TL4000
SCSI
Reference