Adaptec AHA-1540 User Manual - Page 5
Jumper, selects, signal, AHA-1540., jumper, located, corner, small, connector., right, pins.,
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Section Three Installation Jumper set J7 selects the DMA ACK signal to be used by the AHA-1540. This jumper set is located near the left corner of the small AT bus connector. Pin pair 1 is the right most set of pins. Default is DMA Acknowledge 5. DMA ACK Jumpers Pin Pair 4 3 - - - X X - 2 1 - X X - - - DMA Channel 0 5 6 7 X = Jumper Ins ailed J7 2 0 0 X 0 00X0 I- Pin Pair 1 Jumper set J6 selects the DMA REQ signal to be used by the AHA-1540. This jumper set is located near the left corner of the small AT bus connector. Pin pair 1 is the right most pair of pins. The default is DMA Request 5. DMA REQ Jumpers - Pin Pair 4 3 21 X X X X DMA Channel 0 5 6 7 X = Jumper Installed J6 2 0 0 X 0 0 0 X 0 Pin Pair 1 AHA-1540 3 - 4 adaptec
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Section
Three
Installation
Jumper
set
J7
selects
the
DMA
ACK
signal
to
be
used
by
the
AHA-1540.
This
jumper
set
is
located
near
the
left
corner
of
the
small
AT
bus
connector.
Pin
pair
1
is
the
right
most
set
of
pins.
Default
is
DMA
Acknowledge
5.
DMA
ACK
Jumpers
4
Pin
3
Pair
2
1
DMA
Channel
-
-
-
X
-
-
X
-
-
X
-
-
X
-
-
-
0
5
6
7
X
=
Jumper
Ins
ailed
J7
2
0 0
X
0
00X0
I—
Pin
Pair
1
Jumper
set
J6
selects
the
DMA
REQ
signal
to
be
used
by
the
AHA-1540.
This
jumper
set
is
located
near
the
left
corner
of
the
small
AT
bus
connector.
Pin
pair
1
is
the
right
most
pair
of
pins.
The
default
is
DMA
Request
5.
DMA
REQ
Jumpers
Pin
Pair
4
3
2
1
DMA
Channel
X
X
X
X
0
5
6
7
X
=
Jumper
Installed
J6
2
0 0
X
0
0
0
X
0
Pin
Pair
1
AHA-1540
3
-
4
adaptec