2-2
Chapter 2: Hardware Installation
DFlex-4/104 User's Manual, ver. 0.04
Port Addresses
Port addresses are configured with the DIP switch block SW1
situated near the PC/104 bus connector on the DFlex-4/104
adapter. DIP switches 1, 2, and 3 select a set of port addresses for
the ports while DIP switch 6 enables or disables a specific status
port address for that set of addresses. Please refer to
Figure 4
for
a description and location of the switch block, while
Table 2
provides the switch settings for the various port address sets.
However many other devices may require port addresses in your
computer's I/O address space. In most cases the factory setting is
sufficient, but when there is a conflict, SW1 may require a
different setting.
Table 1
summarizes typical I/O port address
usage.
WARNING
Do not use a pencil to set the DIP switches as the lead graphite
may short-circuit the switch.
Table 1:
Typical port address usage
Port Address (Hex) Usage
000 - 0FF
Reserved
170 - 177
Fixed disk controller (primary)
1F0 - 1F7
Fixed disk controller (secondary)
200 - 207
Game port
278 -27F
Parallel port (LPT2)
2C0 - 2CF
EGA video adapter (#2)
2F8 - 2FF
Asynchronous serial port (COM2)
360 - 36F
Parallel port (LPT1)
370 - 377
Floppy disk controller (secondary)
378 - 37F
Parallel port (LPT1)
380 - 38F
SDLC adapter (#2)
3A0 - 3AF
SDLC adapter (#1)
3B0 - 3BF
Video adapters
3F0 - 3F7
Floppy disk controller (primary)
3F8 - 3FF
Asynchronous serial port (COM1)
Содержание DFlex-4/104
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