Sense Bytes - IBM 3340 Reference Manual

SENSE BYTES
0-7
SUMMARY
Byte
6
BitO
6
Command
Reject
•Permanent
Error
RPS
Feature
Present
128
J.
I
-L
-L
Intervention
Channel Bus
Equipment Data
Required
Out
Parity
Check
Check
I I I
Overrun
Track Condi- Seek
tion
Check
Check
I
I
Invalid
Track
End
of
Not Used
No Record
File
Format Cylinder
Found Protected
I I
I
1
—
Write
Operation
Inhibited
Incomplete
Correctable
Not Used
Environmental
Compatibility
Data Present
Mode
l
I I
Data Storage
Type
See Note
RESTART
COMMAND
(Provided only
when
byte
1
bit 7.
Operation Incomplete,
is
active)
|
I I
I
I
PHYSICAL DRIVE IDENTIFICATION
B
I
C
I
D
LOW-ORDER
LOGICAL CYLINDER
ADDRESS
64
|
32
|
16
512
256
|
FORMAT
(bits
0-3
hex)
Set
by
Error
Recovery Procedures
^OR
o
I
1
|
2
|
3
|
4
|
5
1
6 7
»*CURRENTSEEK
ADDRESS
I
i
l i 1 1 I
**CURRENTSEEK
ADDRESS
1 1 1 1 1 1 1
If
Seek Check
active
(byte
bit 7)
** Current seek address
is
the
last
argument
(address) issued
to the device.
Byte format
remains the
same
as
above.
Always
present
in
Bytes
5 and
6.
8
_|_
4
J_
HIGH-ORDER LOGICAL CYLINDER
ADDRESS
AND
LOGICAL
TRACK
LogTrk8
|
Log Trk 4
|
Log Trk
2
|
LogTrkl
MESSAGE CODE
(bits
4-7
hex)
3348-35Mb
Data
Module
3348-70Mb
Data
Module
or
3344
3348-70F
Mb
Data
Module
or3344-B2F
Note: Data Storage
Type
5
6 7
1
1
1
1
Sense
Data 35