IBM System/370 - Page 165

Sense (cont'd)
Byte 8
~
DEVI
0
1
2
3
4
5
6
I
7
3330 *
f----
3340*
3410,3411
FEED
END
RD BK
START
THRU
VEL DATA
VEL
CHK
NOT DE1 CHK
3420,380
IRG
FEED SDR
EARLY
EARLY
SLOW
SLOW : I(ELOC
DROP THRU
CNTR
BGN RC
END RD
BGN RD
END RD RETRY/
INWRT
CHK
BKCHK
BKCHK
BKCHK
BK CHK RESTRT
Byte 9
~
DEVIC
0 1
I
2
I
3
4 I
5
I
6
7
3420,380~
JDR
VLCTY ! SDR COUNTERS
TAPE
CNTR
CHNGR~
CTL
ONWR
RESD
Byte 10
~
bEVIC
0
1 2
I
3 4 5
I
6 7
3420, CMD
CNTRL i NO BLK
WTM
TACH T
VELO-
3803 STATUS
STATUS liON RCD
NOT
START,
CITY
REJ
REJ RD BKC~ DETECT
FAIL i
CHK
Byte 11
~
0
1 2
3
4 5
6 7
~~g,
B BUS LO ROS HIIC MCPGM
D BUS BR
PARITY
LO IC
BRCQ'o.lD
DET PARITY
COND
ALU I PARITY /HI ROS
HDWR
ALU1
ALU 1
I ERR
Byte 12
~ bEVIC
0
1
2
3
4 5 6 7
3420, B BUS LO RO~
HIIC MCPGM D BUS
BR
3803
PAR ERR
;lo IC
BRiHI
DETECT
PARITY
COND
ALU 2 ON BR
ROS REC
,m
WR
ALU 2 ALU 2
* 3330/3340 Bytes B - 23: Iv\eaning depends on format type.
Page 5-9