2311/Dac (Figures 1-96 Through 1-118) - IBM 2025 Maintenance Manual

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I
1.15 2311/DAC (FIGURES 1-96 THROUGH 1-118)
..J
0
a:
1-
z
0
(.)
0
<(
w
a:
w
l-
a:
~
:c
(.)
a:
<(
w
(/)
COMMAND
SEEK
CYL SEEK
HEAD SEEK
RECALIBRATE
NOOP
SET FILE MASK
SPACE COUNT
RESTORE (NO-OP)
TEST 1/0
SENSE 1/0
RD DATA
RD KEY-DATA
RD C-K-D
RD HA
RD RO
RD COUNT
RD (IPL)
WR DATA
WR KEY= DATA
WR C-K-D
WR HA
WR RO
ERASE
SCH ID EQ
SCH ID HI
SCH ID EQ OR HI
SCH KEY EQ
SCH KEY HI
SCH KEY EQ OR HI
SCH HA EQ
*SCH K-D EQ
*SCH K-D HI
*SCH K-D EQ OR HI
* File Scan Commands
HEX
M/TON
VALUE
07
OB
1B
13
03
1F
OF
17
00
04
06
86
OE
BE
1E
9E
1A
9A
16
96
12
92
02
82
05
OD
1
Q
19
15
11
31
B1
51
D1
71
F1
29
A9
49
C9
69
E9
39
B9
2D
AD
4D
CD
60
ED
**
Go Issued unless S ace Count is the First Command of a Chain
p
Figure 1-96. Integrated File Commands
1-104
(7/69)
GO
**
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
1
OP REGISTER LATCHES SET FOR EACH COMMAND
SEARCH
SEARCHl
l
·1
1
M
HI
EQ
COUNT KEY DATA READ
WRITE
CMD BYTE POSITION
0
1
2
3
4
5
6
7
T
x
x
x
u
x
x
x
R
x
x
x
x
N
x
x
x
E
x
x
D
x
x
x
x
x
x
x
x
x
0
x
x
x
x
N
x
F
0
x
x
R
x
x
x
x
x
x
x
Mfl1
x
x
x
x
x
x
x
x
R
x
E
x
x
A
x
x
x
D
x
x
x
x
x
x
x
0
x
x
x
R
x
x
s
x
x
x
E
x
x
x
A
x
x
x
x
R
x
x
x
c
x
x
x
H
x
x
x
x
x
x
x
x
c
M
x
x
x
x
D
x
x
x
x
s.
x
x
x
x
x
Go Issued to DAC for Indicated Cmds.

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