When the unit is delivered, all communication flag areas are activated
(see above):
On Coordinator A
by jumpers at EP 7
On Coordinator C
by jumpers at EP 60
Jumper
Comm. Flag Byte
Address
8 - 9
7 - 10
6 - 11
5 - 12
4 - 13
3 - 14
2 - 15
1 - 16
00
0 to 31
32 to 63
64 to 95
96 to 127
128 to 159
160 to 191
192 to 223
224 to 255
F200H to F21FH
F220H to F23FH
F240H to F25FH
F260H to F27FH
F280H to F29FH
F2A0H to F2BFH
F2C0H to F2DFH
F2E0H to F2FFH
Jumper inserted:
area activated (coordinator
acknowledges in this area)
Jumper not inserted:
area masked out (coordinator
does not acknowledge in this area)
Examples
You wish to mask out the four communication flag areas with the
highest addresses on COR A:
16
1
EP 7
EP 60
9
8
8
9
1
16
1
8
9
16
EP 7
Address F200H to F27FH
Activated (Jumper Inserted)
Address F280H to F2FFH
Masked Out (Jumper Open)
Figure 6-3
Example of Addressing the Communication Memory on COR A
6
Starting the Multiprocessor Operation
System Manual
C79000-B8576-C199-03
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