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DMAF2 Disk
Unit
Jumper
Requirements
The
following
tables
show
the
jumper
settings
to
be
used
with
the
DMAF2
double
density
disk
controller
in
various
system
configurations.
In
addition
to
the
DMAF2
jumpers,
some
changes
may
be
required
to
the
MP-09
processor
board
jumpers.
Table
1.1
--
DMAF2
Jumpers
DMAF
Jumper
"S$"
Systems
Non
"S"
Systems
(69A,
69K)
Halt/Bus
REQ
Bus
Req
Bus
Req
Upper/Lower
|
Lower
Lower
BA
/
BA&BS
BA&BS
BA&BS
IRQ/Norm
|
Norm*
Norm
2
MHz/1
MHz
tt
tt
Precomp/Norm
Precomp
Precomp
MR/Norm
MR
MR
56K/32K
56K
56K
Desel/Sel
Sel
Desel
Address
Select.
4
4
|
Table
1.2
--
MP-09
Jumpers
6809 Jumper
"S"
Systems
Non
"S"
Systems
(69A,
69K)
BA
/BA&BS
BA
BA
110/BR
BR
BR
28/3S
3S
2S
tt
Set
to
System
Clock
*
Set
to
IRQ for
UniFLEX©
operation