Channel
Channel
Only
Full
Only
Full
logout
Logout
Bih
Data
logout
logout
Bits
Data
OOE4
7
LS
Read
98
0108
17-20
Read (Bkwd,
Op,
Rdy,
Interface)
8
LS
Write
21-23
Write
(Op,
Rdy,
Interface)
9
Channel
to Adder
latches
Dato
Transfer and Control
24-31
Channel
Checks (Sim,
Ill,
Prag,
Stor
Prot,
Chan
Data,
10 Adder
latches
to Channel Dato Transfer and Control
11
Chain
9(
Chan
Ctr!,
IF
Ctrl,
Chain
l)
OIOC
0-27
Unused
12
Lost
Cycle
13
Break-Out
28-31
Group
3 Parity (Byte
Ctr,
lost
Word 2, Reg Full
B,
CD=
PC
Type)
14-17
Storage Byte Control RPgistcr
18
Unused
AO
0110
0-27
Unused
28-31
Group
4
parity
(UA
Fetch,
Cycle
Ctr Stop
0,
19-22
ROSDR
sa.
33, 34,
47'
48
Pritirity
l,
Stat
0)
23
First
Cycle
Check
24-31
Unused
A4
0114
0-7
Position Register (CCW-1 Type,
CCW-2
Type, Unit
Sel,
Rd
Store,
Wr
Fetch,
Encl
Up, Comport:, Interrupt)
OOE8
0-3
Buffer 1
B-10
Cycle
Ctr
Phase A Step
(I,
2,
3)
4-7
Buffer 2
11-13
Clock
(AO,
Al,
Step)
8-11 Buffer 3
14
local
Store Request
12-16
1/0 Stats
15
PCI
Request
17
Unused
I 16-17
Priority (2, 3)
18
I
1/0
Check Mode
IB-23 Request Register
(0-5)
19-21
Logs
(I,
2,
3)
22
Gate
Status
24-26
Stats
1-3
28-31
Common Channel
Detect
(LS,
PRI
l,
PRI
2-3, PCI,
23
log
Reset
24-31 Unused
Inhibit Routine)
AB
0118
0-6
General
Purpose Register
(l
-7)
OOEC
0-8
Bc·ff« I (P,
0-7)
7-8
Unused
9-17
Buffer 2 (P,
0-7)
9-13
Flag Register (CDA,
CC,
SILi, Skip, PCI)
18-31
I
Request
Log-Out
OOFO
0
Select
Out
I
Select
In
2
Op
In
14 Finish
15
First Word
16
First Byte
17 Total Record Fetch
3
Suppress
Out
IB
Write
Chain
Proceed
4
P.equest
In
19 Stop
Re
lease
5
Service
Out
20-22
Unu~d
6 Address
Out
23
Status
Next
latch
7 Command
Out
24-27
Multi-Purpose
(Cl-C4)
8
Ser.tice
In
28 Suppress
Out
9
Address
In
29 Request
In
10
Status
In
30
Servic2
Out
Hold
'
11-19
B~s
Out
(P,
0-7)
'
I
20
~rogr'am
Check. '
I
21
Storage
Prctect
Check
22-31
Unu11ed
~I
Block1
Status
In
'
AC
01
IC 0
Inhibit Read
Store,
'
1-4
A
Clock
(A,
B,
C,
0)
5 6
S~c!ol
P~rposc
!D
! , 02}
OOF4
0-3
Controlled
Emit
7
Instruction Scan
4-B
Routine Request Triggers {A, E 1-E4)
B
Poll
9-11
Priority (2,
3,
PCI)
12-17
Control Triggers
(CC,
OTC, UCW,
IB
Full,
Poll,
Burst Mode)
9 Poll Interrupt End
10
Instruction Inhibit
18-21
Mpx
1/0 Stats
22
Doto Transfer Control
II
BC
Ready
12
UA
to
Bus
Out
23
CC Reset Control
13
Select
Address
Out
24-31 Unused
14-15
Compare
(=
or I )
B8
OOFB
0-31
SE"lector
Channel
B Register
(0-3
I)
16
Interface
Chain
Data
Address
Fint
Byte
BC
OOFC
0-27
Unused
17
Chain
Oata
28-31
Selec.tor Channel 8 Register Parity
IB
Byte
Ctr
Mod Enoble
90
0100
0-27
Unused
19 Write
Chain
Ready
28-31
Selector
Chnnnel C
Re
rister Purity
20 Record
End
94
0104
0-31
Selector
Channel C Register
(0-31)
21
Op
In
Test
98
0108
0-1
Byte
Counter
A (2, I)
2-4
Byte
CounterB(P,
2,
I)
5-6
End Register (2,
I)
22
Channel
Stop
23
Select
Out
24 Sel
In
7-8
Last Words (3,
I)
25
Op
In
9
EOR
Count Interlock
26-2B
Service
Out,
Address
Out,
Command
Out
10
EOR
I Latch
29-31
Service
In,
Address In, Status
In
II
EOR
2 Latch
BO
0120
0-27
Unused
12
EOR
Read Interlock
28 Position Register Transfer
13
B Almost Changed
29
Channel
In
Use
I
14
lOcol Store
fnoble
15
local
Store Register Full
16
C Register Full
30
Stop
31
Stop Routine
0124
0-15
Rewrved for
Selector
Channel
and Misc
Features
16-31 Reserved for Mpx
Channel
FIGURE
12.
SCAN-OUT/LOGOUT:
LOCATIONS AND
DATA
(PART
3
OF
4)
Maintenance
Featurea
(3/'11)
25
To Next Page
Loading...
