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Adapter Enable/Setup Register (Hex 0096)
The Adapter Enable/Setup register selects the connector to be
configured.
Bit
Symbol
7
Channel Reset
6 - 4
Reserved
3
Card Setup Enable
2 - 0
Channel Select 2 - 0
Figure
2-7. Adapter Enable/Setup Register (Hex 0096)
Bit 7
When set to 1, this bit activates the 'channel reset' signal
to all connectors.
Bits 6 - 4
These bits are reserved.
Bit 3
When set to 1, this bit enables the 'card setup' signal
selected by bits
2
through
O.
Bits 2 - 0
These bits are the address bits for the 'card setup' signal.
Connectors 1 through 8 are addressed as 0 through 7,
respectively. When bit 3 is set to 1, these bits select the
connector that is put into setup.
Each channel connector has a unique '-card setup' signal
(-CD SETUP)
associated with it. This signal is used to put the adapters in the setup
mode, which allows acaess to the POS registers. The individual
connectors are selected through the Adapter Enable/Setup register.
Setup information is then read from or written to the selected adapter
through I/O addresses hex 0100 through 0107.
Notes:
1.
-CD SETUP
only goes active when an operation is performed in the
I/O address range hex 0100 through 0107.
2. The status of port hex 0096 can be read by software. However,
when the port is read, bits
6, 5,
and
4
are set to
1.
2·10
Model 60 POS
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